arkivoAPI
Menu

Monitors / Compare

Dell UltraSharp U5226KW vs Samsung ViewFinity S8 S85TH

Product A: Dell

UltraSharp U5226KW

111 of 172 known
Change Dell UltraSharp U5226KW

Compare the Samsung ViewFinity S8 S85TH with

Product B: Samsung

ViewFinity S8 S85TH

95 of 172 known
Change Samsung ViewFinity S8 S85TH

Compare the Dell UltraSharp U5226KW with

89 of 164 fields differ

Download CSVDownload JSON
  • 50 different values
  • 39 known for one only
  • 29 the same
  • 46 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Power use SDR (EU label)Lower is betterA: 63.6WB: 41.7WSamsung is 21.9 W lower.
  2. ContrastA: 2,000:1B: 3,000:1Samsung is 1.5 times higher.
  3. Power use (max)Lower is betterA: 430WB: 340WSamsung is 90 W lower.
  4. Response timeLower is betterA: 5msB: 4msSamsung is 1 ms lower.
  5. Refresh rateA: 120HzB: 144HzSamsung is 24 Hz higher.
  6. Brightness (typical, SDR)A: 400nitsB: 350nitsDell is 50 nits higher.

Refresh rate per resolution

The best rate over any port. Bars run from 0 to 1200 Hz.

6144 × 2560Native for A
A120Hz
BNot listed
5120 × 2160Native for B
ANot listed
B144Hz

Size, drawn to scale

Front and side. Solid lines show the stand at its lowest. Dashed lines show it at its highest.

Weight

0 to 15 kg

Weight with stand
A18.23kg
B14kg
Weight without stand
A12.95kg
B9kg
Box weight
A34.85kg
B17.5kg

All 172 fields

Every value links to where we found it.

ADell UltraSharp U5226KW
BSamsung ViewFinity S8 S85TH

General

5 of 8 differ
Series
UltraSharp1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Cover and product name: Dell UltraSharp 52 Thunderbolt Hub Monitor.
ViewFinity S81Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Product name: ViewFinity S8 S85TH.
Model numbers
U5226KW1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Cover: U5226KW and U5226KW WOST. WOST is the same monitor without the stand (Table 17 footnote). Only U5226KW, the with-stand model, is stored because the stand-related fields are not variant fields.
LS40H850TANXZA, LS40H852TANXZA, LS40H850TAUXXU, LS40H850TAUXEN, LS40H850TAEXXY1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026UK model LS40H850TAUXXU. Other codes come from the Samsung Canada, Germany and Australia pages and the US page. Regional codes can differ in the supplied signal cable (see in_the_box).2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026LS40H850TAUXEN (Germany).3Maker product pagesamsung.com/ca/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h852tanxzaRead 14 October 2026Canada model LS40H852TANXZA.4Maker product pagesamsung.com/au/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850taexxyRead 14 October 2026Australia model LS40H850TAEXXY. Its typical power figure (92 W) differs from the UK 41.7 W, so no typical power is stored.5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026Germany model LS40H850TAUXEN.6Maker product pagesamsung.com/us/monitors/high-resolution/40-inch-viewfinity-s8-s85th-5k-high-resolution-monitor-sku-ls40h850tanxzaRead 14 October 2026US model LS40H850TANXZA (S40H850TAN). The US page loads its specification tab by script, so the specifications come from the UK, Canada and Germany pages.
GTIN / EAN
Not available
88060991056622Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026EAN 8806099105662 for LS40H850TAUXEN (Germany). Other regions are not stored.5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026EAN 8806099105662.
Announced
6 January 20264Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026TFTCentral report of the Dell announcement, 2026-01-06 (CES 2026).
Not available
Status
Available4Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026Announced as available from 2026-01-06. The review confirms current sale.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Conclusion: available now at $2,899.99 from Dell in the US and GBP 2,571.60 in the UK.
Available6Maker product pagesamsung.com/us/monitors/high-resolution/40-inch-viewfinity-s8-s85th-5k-high-resolution-monitor-sku-ls40h850tanxzaRead 14 October 2026US page offers the product for sale with Add to cart.12Reviewtechaeris.com/2026/05/19/samsung-viewfinity-s8-s85th-40-reviewRead 14 October 2026Reviewed on a retail unit with US pricing.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$2,899.994Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026US $2,899.99 with stand and US $2,799.99 without stand, as quoted from Dell. The with-stand price is stored because the base record has the stand. Excludes tax.
$1,399.996Maker product pagesamsung.com/us/monitors/high-resolution/40-inch-viewfinity-s8-s85th-5k-high-resolution-monitor-sku-ls40h850tanxzaRead 14 October 2026US list price $1,399.99, shown struck through next to a lower current sale price. Stored as the list price. Techaeris (2026-05-19) also reports an MSRP around USD 1,399. Not the sale price.12Reviewtechaeris.com/2026/05/19/samsung-viewfinity-s8-s85th-40-reviewRead 14 October 2026Techaeris review of 2026-05-19: MSRP expected around USD 1,399. Rounded, so the Samsung US list price 1,399.99 is stored.
Launch price (EU)
Not available
Not available
Markets
US, GB, EU2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026EU: placed on the Union market.4Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026Dell announced global availability. The US price comes from the same article.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Review gives the US and UK Dell prices.
US, CA, GB, EU, AU1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026UK page for LS40H850TAUXXU.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Germany datasheet.3Maker product pagesamsung.com/ca/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h852tanxzaRead 14 October 2026Samsung Canada page for the exact model.4Maker product pagesamsung.com/au/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850taexxyRead 14 October 2026Samsung Australia page for the exact model.5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026Samsung Germany page.6Maker product pagesamsung.com/us/monitors/high-resolution/40-inch-viewfinity-s8-s85th-5k-high-resolution-monitor-sku-ls40h850tanxzaRead 14 October 2026US page.8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026EU: placed on the Union market.
Colours
Not available
Black1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Design: front, rear and stand colour Black.6Maker product pagesamsung.com/us/monitors/high-resolution/40-inch-viewfinity-s8-s85th-5k-high-resolution-monitor-sku-ls40h850tanxzaRead 14 October 2026Product data: color Black.
Segment
Office4Press articletftcentral.co.uk/news/dell-announce-the-ultrasharp-u5226kw-a-massive-52-ultrawide-monitor-with-6k-resolutionRead 14 October 2026Dell positions it for financial traders, data scientists, engineers and executives as a replacement for multi-screen office setups. UltraSharp is Dell's professional line.
Office10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: the ViewFinity S8 range focuses on high resolution and productivity and is aimed mainly at the professional market. Samsung sells it in its High Resolution monitor category, not a gaming line.

Display

9 of 12 differ
Screen size
51.5in(130.8 cm)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: viewable diagonal 1307.5 mm (51.5 in). Dell names the monitor "52", which is a class size.
40in(101.6 cm)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Screen Size (Class): 40.
Viewable screen diagonal
51.5in(130.8 cm)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: viewable image diagonal 51.5 in.
Not available
Native resolution
6144 × 2560px1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features and Table 9: 6144 x 2560, maximum preset 120 Hz.
5120 × 2160px1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Resolution: WUHD (5120 x 2160).
Aspect ratio
21:91Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 21:9. The pixel ratio is 2.4:1 (24:10). TFTCentral says 24:10 is marketed as 21:9. The maker value is used.
21:91Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Aspect Ratio: 21:9.
Pixel density
129.2ppi
138.9ppi
Pixel pitch
0.1964mm1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 0.19644 mm horizontal and vertical.
Not available
Active display area
Width1,206.93Height502.89mm(47.5 × 19.8 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: horizontal 1206.93 mm, vertical 502.89 mm.
Width926.8Height391mm(36.5 × 15.4 in)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Active Display Size (HxV): 926.8 x 391.0 mm. Stored as width 926.8 and height 391.0.
Curved
Yes5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Design and Features: subtle 4200R curvature.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Flat / Curved: Curved.
Curvature radius
4,200mm5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Key Specs: subtle 4200R curvature.
1,000mm1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Screen Curvature: 1000R.
Screen surface
Matte1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Anti-Glare Low Reflectance (AGLR) with 3H hard coating. TFTCentral calls it a matte anti-glare coating.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026General and Office: light matte anti-glare coating.
Not available
Anti-reflection coating
Anti-Glare Low Reflectance (AGLR) with hard-coating 3H1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Display screen coating.
Not available
Touchscreen
Not available
Not available

Panel

14 of 31 differ
Panel type
IPS1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: In-Plane Switching (IPS) Black Technology.
VA1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Panel Type: VA.
Panel type (as published)
In-Plane Switching (IPS) Black Technology1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Panel technology, as published.
VA1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Panel Type: VA.
Backlight
Edge-lit LED1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: LED Edgelight System.
Not available
Local dimming
Not available
No10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: no local dimming zones.
Dimming zones
Not available
Not available
Panel maker
Not available
Not available
Panel part number
Not available
Not available
Panel generation
Not available
Not available
Subpixel layout
RGB stripe5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026General and Office: the panel has a standard RGB-stripe sub-pixel layout.
Not available
Colour depth
10bits5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Dell Specs summary: 8-bit + FRC colour depth. Dell quotes 1.07 billion colours.
10bits10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: 10-bit colour depth, including 1.07 billion colours. The method (native or FRC) is not stated.
Colour depth method
FRC5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Dell Specs summary: 8-bit + FRC colour depth.
Not available
Displayable colours
1.07 billion1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: color depth 1.07 billion colors.
1.07 billion1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Colour Support: Max 1.07B.
sRGB coverage
100%1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: sRGB 100% (CIE 1931), typical.
99%1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026sRGB Coverage: 99 %. CIE version and typical or minimum are not stated.
DCI-P3 coverage
99%1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: DCI-P3 99% (CIE 1976), typical. Display P3 99% is a separate target and is not stored.
Not available
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Color Calibration Report in the OSD (Others menu): data calibrated at the factory for sRGB, BT.709, DCI-P3 and Display P3. This is an electronic report. No paper report is listed in the box.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Calibration / Factory Tunning: Yes. Samsung gives no Delta E figure.3Maker product pagesamsung.com/ca/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h852tanxzaRead 14 October 2026Calibration / Factory Tuning: Yes.
Claimed Delta E
1.51Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Delta E < 1.5 (average) for sRGB, BT.709, DCI-P3 and Display P3. Stored as 1.5 with the less-than qualifier here.
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Not available
Not available
Static contrast ratio
2,000:11Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 2000:1 typical.
3,000:11Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Contrast Ratio Static: 3,000:1.
Brightness (typical, SDR)
400nits1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 400 cd/m2 typical.
350nits1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Brightness (Typical): 350 cd/m2.
Brightness (maker minimum)
Not available
280nits1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Brightness (Min): 280 cd/m2.
Peak brightness (HDR)
Not available
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
Not available
HDR10, HDR10+1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026HDR(High Dynamic Range): HDR10 and HDR10+.6Maker product pagesamsung.com/us/monitors/high-resolution/40-inch-viewfinity-s8-s85th-5k-high-resolution-monitor-sku-ls40h850tanxzaRead 14 October 2026Highlights: HDR10+.10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: support for HDR10 and HDR10+ input signals.
HDR certification
None5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Colour modes and conclusion: the screen does not support HDR at all, an HDR10 input signal cannot be enabled. EPREL gives HDR as n.a.
Not available
Viewing angle (horizontal)
178°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 178 degrees typical.
178°1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Viewing Angle (Horizontal/Vertical): 178 / 178.
Viewing angle (vertical)
178°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 178 degrees typical.
178°1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Viewing Angle (Horizontal/Vertical): 178 / 178.

Refresh rate and motion

14 of 22 differ
Refresh rate per resolution and port
ADell UltraSharp U5226KW
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4USB-C DP Alt Mode 1.4Thunderbolt 4
6144 × 2560Native120Hz120Hz10-bit, DSC120Hz10-bit, DSC120Hz10-bit, DSC
Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8 and pp.7, 15: HDMI up to 6144 x 2560 120 Hz FRL, and the footnote excludes HDMI DSC. DisplayPort (Table 12), USB-C Alt Mode high-resolution 4-lane (Table 13) and Thunderbolt 4 (Table 15): 6K 120 Hz at 30-bit with DSC 1/3. 6K 120 Hz at 24-bit also works with DSC 1/2.4. Chroma is not stated. USB-C Alt Mode high-resolution mode leaves USB 2.0 data. 6144 x 2560 at 120 Hz depends on the host graphics. Lower-resolution preset timings are not stored.
BSamsung ViewFinity S8 S85TH
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4Thunderbolt 5
5120 × 2160Native144Hz144Hz144Hz
Source7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Standard Signal Mode Table: S40H85*T maximum and optimum resolution 5120 x 2160 at 144 Hz, vertical frequency 48 to 144 Hz. Signal table: a 5120 x 2160 144 Hz timing is accepted on HDMI IN (333.216 and 333.769 kHz timings) and on DP IN / USB Type-C IN (custom timing 333.216 kHz). Bit depth, chroma and DSC are not stated. The vertical frequency range is the panel scan range and is not stored as a VRR range.
Max refresh rate
120Hz
144Hz
Max refresh rate at native resolution
120Hz
144Hz
Max refresh rate over DisplayPort
120Hz
144Hz
Max refresh rate over HDMI
120Hz
144Hz
Max refresh rate over USB-C
120Hz
144Hz
Max refresh rate at 10-bit
120Hz
Not available
Native refresh rate
120Hz1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 9: maximum preset 6144 x 2560 at 120 Hz, default 60 Hz.
144Hz1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Refresh Rate: Max 144 Hz. No overclock mode is stated.
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
HDMI VRR, Adaptive-Sync1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: VRR function. HDMI ports support VRR as specified in HDMI 2.1 (Table 8). No FreeSync or G-SYNC certification is stated. TFTCentral says adaptive sync is supported with no NVIDIA, AMD or VESA certification.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming: adaptive sync is available with no NVIDIA, AMD or VESA certification.
FreeSync Premium, Adaptive-Sync1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026FreeSync: FreeSync Premium. The manual also has an Adaptive-Sync setting for NVIDIA graphics cards, which is generic Adaptive-Sync and not a G-SYNC certification.7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026FreeSync (for AMD graphics card) and Adaptive-Sync (for NVIDIA graphics card) menu items.10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: adaptive-sync for VRR and FreeSync Premium certification.
VRR range per port
Not available
Not available
Low framerate compensation
Yes5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming: adaptive sync with a 48 to 120 Hz VRR range and LFC used below that.
Not available
Response time (maker GtG claim)
5ms1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: Fast mode 5 ms GtG. Normal mode is 8 ms.
4ms1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Response Time: 4 (GTG). Settings not stated.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Normal, Fast1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Display menu: Response Time, Normal or Fast.
Not available
Motion blur reduction
No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming extras: no blur reduction modes.
Not available
Blur-reduction technology
Not available
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: flicker-free screen.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026General Feature / Flicker Free: Yes.
Black frame insertion
No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Console support table: Black Frame Insertion support, No.
Not available

Measured

4 of 12 differ
Input lag at maximum refresh rate
Not available
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
Not available
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
1,926:16Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Brightness and Contrast: 1926:1 average across the OSD brightness range, Standard preset, ambient light sensor disabled. Default settings gave 1837:1. UPRtek MK550T and X-rite i1 Pro 2 used.
Not available
SDR brightness (measured)
367nits6Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Brightness and Contrast: maximum 367 nits at the top OSD setting, Standard preset, ambient light sensor disabled. Minimum 32 nits.
Not available
HDR brightness in a real scene (measured)
Not available
Not available
PWM flicker frequency (measured)
Not available
Not available
VRR range (measured)
Min48Max120Hz6Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Gaming: 48 to 120 Hz VRR range, with LFC below. The reviewer does not name the input.
Not available
Colour accuracy (measured Delta E)
1.26Measurementtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026sRGB mode: 1.2 average Delta E 2000 against sRGB, factory preset, before any user calibration. The Standard preset against DCI-P3 gave 2.2 average.
12.2811Measurementtrustedreviews.com/reviews/samsung-viewfinity-40s85thRead 14 October 2026Trusted Reviews (2026-07-13, UK review of the 40S85TH): default SDR Graphics mode, average Delta E 2000 of 12.28 on the Calman ColorChecker test, before calibration, with Calman Ultimate, a G1 signal generator and a C6 HDR5000 meter. The multipoint greyscale average in the same mode was 8.65. The reference colour space is not stated.
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

10 of 19 differ
Video inputs
ADell UltraSharp U5226KW
TypeVersionCountDSCHDCP
HDMI2.12No2.2
DisplayPort1.42YesNot available
Thunderbolt41YesNot available
Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Tables 7 and 8: 2 HDMI 2.1, 2 DisplayPort 1.4 and 1 Thunderbolt 4 (DP 1.4 with DSC). HDMI DSC is excluded by the Table 8 footnote.7Reviewstoragereview.com/review/dell-ultrasharp-u5226kw-review-a-massive-52-inch-6k-display-for-your-entire-workflowRead 14 October 2026Review spec table: 2 HDMI 2.1 ports with HDCP 2.2, up to 6144 x 2560 at 120 Hz. HDCP for the other inputs is not stated.
BSamsung ViewFinity S8 S85TH
TypeVersionCountMax bandwidth (Gbps)HDCP
HDMI2.11Not available2.2
DisplayPort1.41Not available2.2
Thunderbolt51802.2
Source1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Interface: DisplayPort 1 (v1.4, HDCP 2.2), HDMI 1 (v2.1, HDCP 2.2), Thunderbolt upstream 1 (140 W, Thunderbolt version 5.0, HDCP 2.2). The page labels the upstream port Thunderbolt 3 in one row and gives the version as 5.0. The manual and TFTCentral say Thunderbolt 5. 80 Gbps comes from Samsung marketing text on the same page (80 Gbps data transfer).7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Ports: DP, HDMI and Thunderbolt 5 upstream. Thunderbolt 5 and USB-C downstream ports do not support video input. The supplied Thunderbolt cable is said to support up to 80 Gbps.
HDMI ports
2
1
DisplayPort ports
2
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
1.4
1.4
HDMI features
VRR, CEC1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: VRR on HDMI. The footnote says ARC, eARC, QMS, QFT, ALLM and DSC are not supported. CEC comes from TFTCentral.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Console support table: HDMI-CEC auto switch Yes, VRR Yes, ALLM No.
Not available
USB-C video (DP Alt Mode)
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: Thunderbolt 4 upstream has an alternate mode with DisplayPort 1.4.
Yes7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Ports: the downstream Thunderbolt and USB-C ports do not support DisplayPort Alt video. The upstream port carries video.10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: 1x Thunderbolt 5 input with DP Alt mode, 140W power delivery and data.
USB-C power delivered
140W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: PD up to 140 W (28 V 5 A) needs a host with USB PD EPR. Other hosts get 90 W (20 V 4.5 A).
140W1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Thunderbolt 3 (sic) Charging Power (Port 1): 140 W. The manual says max 140 W PD output. Shared or guaranteed levels are not stated.7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Ports: Thunderbolt 5 upstream port with max 140 W PD output.
Thunderbolt
41Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: Thunderbolt 4 upstream.
51Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Version of Thunderbolt: 5.0.7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Ports: Thunderbolt 5 upstream and downstream.
USB upstream ports
ADell UltraSharp U5226KW
ConnectorUSB versionCount
USB-C3.2 Gen 24
Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 20261 Thunderbolt 4 upstream (USB 3.2 Gen 2) and 3 USB-C data-only upstream ports (USB-C 10 Gbps, USB Gen2), 4 in total. The Gen 2 name for the three data-only ports is taken as USB 3.2 Gen 2 (10 Gbps).
BSamsung ViewFinity S8 S85TH
ConnectorCount
USB-C2
Source1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Thunderbolt 5 upstream plus USB-C Upstream Port (ONLY DATA) x1. USB versions are not stated for either, so none is stored.7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Ports: Thunderbolt 5 upstream, and a USB Type-C upstream (cable version 3.0). The manual says one of the two USB Type-C upstream ports is the Thunderbolt port.
USB downstream hub ports
ADell UltraSharp U5226KW
ConnectorUSB versionCount
USB-A3.2 Gen 25
USB-C3.2 Gen 22
Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 20264 rear USB-A and 1 quick-access USB-A (10 Gbps, USB 3.2 Gen2), and 2 quick-access USB-C (10 Gbps, USB 3.2 Gen2, 27 W).
BSamsung ViewFinity S8 S85TH
ConnectorUSB versionCount
USB-ANot available5
USB-C3.2 Gen 21
Source1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026USB Type-A Downstream Port 5 EA, version 3.2 Gen2 and 3.2 Gen1 (split by port is not stated). USB Type-C Downstream Port 1, 3.2 Gen2. The Thunderbolt downstream port (15 W, daisy chain) is not counted as a USB hub port.
KVM switch
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: switch the USB KVM function in PBP mode. USB menu has a KVM setup guide.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026General Feature / KVM Switch: Yes.
Daisy chain (MST)
No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: daisy chaining support, No.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026General Feature / Daisy Chain: Yes. Thunderbolt Downstream Port (Daisy Chain) x1, 15 W.10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: 1x Thunderbolt 5 output (15 W) for daisy chaining.
Ethernet
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 7: RJ45 connector, 2.5 GbE.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Ethernet (LAN): 1 EA.
3.5 mm headphone output
No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Bottom view inventory (Table 7) has no audio jack. TFTCentral also says there is no headphone connection.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Connectivity: the only thing missing is a headphone connection.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Headphone: 1.
3.5 mm microphone input
No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Complete connector inventory (Tables 4 to 7) has no microphone input.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: mic input, No.
Not available
Optical out
No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Complete connector inventory (Tables 4 to 7) has no optical output.
No1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026The Interface list (DP, HDMI, headphone, USB, Thunderbolt, Ethernet) has no optical output.
Picture in picture
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: PBP and PIP Select mode.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Picture-In-Picture: Yes.
Picture by picture
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: PBP, and PBP with Screen Partition.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Picture-By-Picture: Yes.

Smart features

1 of 4 differ
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Remote control
No1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 1 package contents lists no remote control.
Not available

Audio and camera

2 of 5 differ
Speakers
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: built-in speakers 2 x 9W.
Yes1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Audio / Speaker: Yes, Speaker Output 5 W. The Germany datasheet says 2 x 5 W.10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: 2x 5W integrated speakers and a headphone jack.
Number of speakers
21Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 2 x 9W.
22Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Lautsprecher (2x5W).5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026Besondere Eigenschaften: Lautsprecher Ja (2 x 5 W).10Press articletftcentral.co.uk/news/samsung-viewfinity-s85th-launched-with-40-5k2k-144hz-va-panel-and-thunderbolt-5-hubRead 14 October 2026TFTCentral: 2x 5W integrated speakers.
Speaker power per channel
9W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: 2 x 9W, 9 W each.
5W2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Lautsprecher (2x5W), 5 W each.5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026Lautsprecher Ja (2 x 5 W).
Webcam
No5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: integrated webcam, No.
Not available
Microphone
Not available
Not available

Ergonomics and controls

8 of 15 differ
Stand height adjustment
90mm1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: height adjustable stand 90.00 mm.
120mm1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026HAS (Height Adjustable Stand): 120.0 (+/-5.0) mm.
Tilt
Forward5°Backward10°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: tilt -5 to 10 degrees.
Forward5°Backward20°1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Tilt: -5 (+/-2) to 20 (+/-2) degrees. Stored as 5 forward and 20 backward.
Swivel
Left20°Right20°1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8: swivel -20 to 20 degrees.
Left20°Right20°1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Swivel: -20 (+/-3) to 20 (+/-3) degrees.
Pivot
Not available
Not available
Removable stand
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: removable pedestal stand. Stand release button on the back (Table 6).5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Design and Features: the stand has a quick release mechanism and can be removed for VESA mounting.
Not available
VESA mount
200 x 2001Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 6: VESA holes 200 x 200, 200 x 100 and 100 x 100 mm behind the VESA cover. The field takes one value, so the largest pattern is stored.
100 x 1001Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Wall Mount: 100 x 100 mm.7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Wall Mount Kit Specifications (VESA): S40H85*T 100.0 x 100.0 mm, M4 screws.
VESA adapter needed
Not available
Not available
Security lock slot
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 8 and Table 7: security lock slot, cable lock sold separately.
Not available
On-screen menu controls
Joystick, Software1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 6: joystick controls the OSD. DDPM adjusts OSD settings from software (p.16). The power button is not an OSD control.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026OSD menu: joystick toggle controller, and a software application.
Joystick, Software7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Direct Key Guide: 5-way button for the S40H85*T. Samsung Display Manager adjusts monitor settings from the PC.
Desktop software
Dell Display and Peripheral Manager (DDPM)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Dell Display and Peripheral Manager (DDPM) section, Windows and macOS.
Samsung Display Manager1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Product text: Samsung Display Manager.7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026Installing the Software: Samsung Display Manager.
User firmware updates
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026DDPM section item 7: receive notifications and update the firmware.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026OSD menu: user updatable firmware. Tested on firmware M2T103.
Yes7Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 14 October 2026System menu: Software Update, update using a file on a USB device.
Ambient light sensor
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 5: ambient light sensor on top. Auto Brightness and Auto Color Temp.
Not available
Presence sensor
No2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 19: room presence sensor available: No.5Reviewtftcentral.co.uk/reviews/dell-ultrasharp-u5226kwRead 14 October 2026Features table: motion sensor, No. EPREL row 19 says no room presence sensor.
Not available
RGB lighting
Not available
Not available
Gaming menu features
Not available
Not available

OLED care

None of 3 known
OLED care
Not available
Not available
Burn-in covered by warranty
Not available
Not available
Burn-in warranty length
Not available
Not available

Dimensions and weight

7 of 7 differ
Dimensions with stand
Width1,223.32Height (lowest)576.79Height (highest)666.79Depth255mm(48.2 × 22.7 to 26.3 × 10 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: height extended 666.79 mm, compressed 576.79 mm, width 1223.32 mm, depth 255.00 mm.
Width928.6Depth362.1mm(36.6 × 14.3 in)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Set Dimension with Stand (WxHxD): 928.6 x 599.9 x 362.1 mm. Only width and depth are stored. The stand position for the 599.9 mm height is not stated.
Dimensions without stand
Width1,223.32Height529.05Depth111.94mm(48.2 × 20.8 × 4.4 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: height 529.05 mm, width 1223.32 mm, depth 111.94 mm.
Width928.6Height422.8Depth198.9mm(36.6 × 16.6 × 7.8 in)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Set Dimension without Stand (WxHxD): 928.6 x 422.8 x 198.9 mm.
Stand footprint
Width363Depth255mm(14.3 × 10 in)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: base 363.00 x 255.00 mm.
Not available
Weight with stand
18.23kg(40.2 lb)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: 18.23 kg with stand assembly and cables.
14kg(30.9 lb)2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Gewicht mit Standfuss: 14.0 kg. The UK page says 14.30 kg. The datasheet, Canada, Australia and the Techaeris spec table say 14 kg.3Maker product pagesamsung.com/ca/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h852tanxzaRead 14 October 2026Set Weight with Stand: 14 kg.
Weight without stand
12.95kg(28.5 lb)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: 12.95 kg without stand assembly and without cables, for wall or VESA mount.
9kg(19.8 lb)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Set Weight without Stand: 9.0 kg.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Gewicht ohne Standfuss: 9.0 kg.
Box dimensions
Not available
Width1,030Height281Depth520mm(40.6 × 11.1 × 20.5 in)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Package Dimension (WxHxD): 1030 x 281 x 520 mm. The Canada page and German datasheet give the same order. The Australia page labels the same numbers HxWxD.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Masse mit Verpackung (B x H x T): 1030.0 x 281.0 x 520.0 mm.3Maker product pagesamsung.com/ca/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h852tanxzaRead 14 October 2026Package Dimension (WxHxD): 1030 x 281 x 520 mm, 40.55 x 11.06 x 20.47 inch.
Box weight
34.85kg(76.8 lb)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 17: 34.85 kg with packaging.
17.5kg(38.6 lb)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Package Weight: 17.50 kg.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Gewicht mit Verpackung: 17.5 kg.

Power

7 of 13 differ
Power supply
Internal1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026The monitor has a power connector and no external adapter. EPREL says internal.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 24: Internal.
Internal1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Type: Internal Power.8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 24: Internal.
Adapter rating
Not available
Not available
Input voltage
100-240 V AC, 50/60 Hz1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 100 VAC to 240 VAC, 50 Hz or 60 Hz +/- 3 Hz, 5.5 A maximum.
100-240 V AC1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Power Supply: AC 100 - 240 V. Frequency not stated.
Power use (typical)
Not available
Not available
Power use (max)
430W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 430 W maximum, at maximum brightness and contrast with maximum power loading on all USB ports.
340W1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Power Consumption (Max): 340 W. USB load not stated.
Power use SDR (EU label)
63.6W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 63.6 W on mode as defined in EU 2019/2013.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 4: on mode power in SDR 63.6 W. HDR is n.a., so no HDR class or power is stored.
41.7W8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 4: on mode power in SDR 41.7 W. The Samsung-hosted copy of the same sheet shows a default refresh rate of 180 Hz, which is wrong. The EPREL record shows 144 Hz. Only the EPREL record is used.
Power use HDR (EU label)
Not available
120W8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 6: on mode power in HDR 120 W.
Standby power
0.5W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 0.5 W standby as defined in EU 2019/2021.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 8: 0.5 W.
0.5W1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Power Consumption (DPMS): 0.50 W.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Energieverbrauch im Standby-Zustand: 0.5 W.8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 8: 0.5 W.
Off-mode power
0.3W1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 16: 0.3 W off mode.2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 7: 0.3 W.
0.3W1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Power Consumption (Off Mode): 0.30 W.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Energieverbrauch im Aus-Zustand: 0.3 W.8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 7: 0.3 W.
EU energy class SDR
G2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 3: class G.
G8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 3: class G.
EU energy class HDR
Not available
G8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 5: class G.
Energy per 1000 h SDR
64kWh3EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2415042.pdfRead 14 October 2026Printed label: 64 kWh/1000h.
42kWh9EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2633345.pdfRead 14 October 2026Printed label: 42 kWh/1000h (SDR). The same value is on the Samsung Germany page.
Energy per 1000 h HDR
Not available
120kWh9EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2633345.pdfRead 14 October 2026Printed label: 120 kWh/1000h (HDR).

Certifications

5 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Eye Comfort 3.0 (5-star), Hardware Low Blue Light (Category I)1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: TUV Rheinland Eye Comfort 3.0 with a 5-star rating. Blue light ratio 20% or less is Category I (Table 2). TFTCentral quotes Dell on TUV category one hardware low blue light.
Intelligent Eye Care1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Product text: Intelligent Eye Care certified by TUV.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Zertifizierungen: TUV. The UK page names it Intelligent Eye Care.
Low blue light
Hardware1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Product features: ComfortView Plus reduces blue light to 20% or less. It is a panel feature enabled by default. TFTCentral says it is a hardware approach with no menu modes.
Software1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Eye Saver Mode: Yes. Samsung text: Eye Saver Mode is a picture setting. No hardware low-blue-light claim.
ENERGY STAR
Yes1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Electrical specifications note: ENERGY STAR certified at factory default settings.
Not available
TCO Certified
TCO Certified and TCO Certified Edge1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 18 compliant standards: TCO Certified and TCO Certified Edge. The generation is not stated.
TCO Certified1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Eco / TCO Certified: Yes. The generation is not stated.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Zertifizierungen: TCO.
EPEAT
Not available
Gold1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Eco / EPEAT: Gold (AT, DK, FR, IT, NL, ES, SE, CH, UK). The Canada page says Gold. Registration varies by country.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Zertifizierungen: TCO, EPEAT Gold, TUV.3Maker product pagesamsung.com/ca/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h852tanxzaRead 14 October 2026EPEAT: Gold.
Colour certifications
Not available
Not available
Other certifications
Not available
Not available

In the box

2 of 2 differ
In the box
Monitor, Stand riser (U5226KW only), Stand base (U5226KW only), HDMI cable (1.80 m), DisplayPort 1.4 cable (1.80 m), Thunderbolt 4 40Gbps cable (2.0 m), USB-C to USB Type-A 10Gbps cable (1.0 m), Power cable (varies by country or region), QR Card, Safety, Environmental, and Regulatory Information1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 1 package contents. Stand riser and base are for U5226KW only. The WOST model ships without the stand.
Power cable (1.5 m)1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Accessory: Power Cable Length 1.5 and HDMI Cable. The Canada page lists a DP cable instead of HDMI. The signal cable depends on the region, so it is not stored.2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Lieferumfang: Stromkabel (1.5 m), HDMI Kabel.
Cables included
ADell UltraSharp U5226KW
Type
HDMI cable (1.80 m)
DisplayPort 1.4 cable (1.80 m)
Thunderbolt 4 40Gbps cable (2.0 m)
USB-C to USB Type-A 10Gbps cable (1.0 m)
Power cable (varies by country or region)
Source1Owner's manualcdn.multitronic.fi/media/6/2/mmo_139271091_1768901537_6805_2905231.pdfRead 14 October 2026Table 1: HDMI 1.80 m, DisplayPort 1.4 1.80 m, Thunderbolt 4 40Gbps 2.0 m, USB-C to USB-A 10Gbps 1.0 m, power cable. Counts are not stated.
BSamsung ViewFinity S8 S85TH
Type
Power cable (1.5 m)
Source1Maker product pagesamsung.com/uk/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxxuRead 14 October 2026Accessory: Power Cable Length 1.5. Counts not stated.

Warranty

1 of 2 differ
Manufacturer warranty (source market)
3years2EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2415042_EN.pdfRead 14 October 2026Row 23: minimum duration of the general guarantee offered by the supplier, 3 years (EU).
3years2Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Garantiezeit: 3 Jahre (Germany). EPREL gives the EU minimum general guarantee as 2 years.5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026Garantiezeit 3 Jahre.8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2633345_EN.pdfRead 14 October 2026Row 23: minimum general guarantee 2 years (EU). Samsung Germany states 3 years.
Dead pixel policy
Not available
Pixel fault class 2 according to ISO 9241-3072Maker spec sheet (PDF)images.samsung.com/is/content/samsung/assets/de/display/pdf/Datenblatt_Business_Monitor_LS40H850TAUXEN.pdfRead 14 October 2026Pixelfehlerklasse: Klasse 2 nach ISO 9241-307.5Maker product pagesamsung.com/de/monitors/high-resolution/viewfinity-s8-s85th-40-inch-5k2k-curved-wuhd-ls40h850tauxenRead 14 October 2026Pixelfehlerklasse: Klasse 2 nach ISO 9241-307.

Both are also in the API. Back to all monitors.