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ASUS Chromebook CX15 CX1505CTA vs Lenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

A

Product A: ASUS

Chromebook CX15 CX1505CTA

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B

Product B: Lenovo

IdeaPad Slim 3i (15", Gen 11) 15IWC11

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All 179 fields

Every value links to where we found it.

Only differences

AASUS Chromebook CX15 CX1505CTA

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

General

2 of 9 differ

Series

Chromebook3Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505Read 14 October 2026ASUS Chromebook laptops, model name CX15 (CX1505).

IdeaPad Slim 31Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

CX1505CTA, CX1505CTA-WS48G1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026US tech spec, CX1505CTA column: Intel Processor N50, 4GB LPDDR5 on board, 128G eMMC, Forging Blue. The CX1505CTA family has other processors, 8GB and 16GB memory and 64GB storage, which are other configurations and are not stored. CX1505CTA-WS48G is the Staples SKU with the same N50, 4GB, 128GB hardware. The CX1505CTA-AS88F-PG (8GB) and CX1505CTA-S70256 (64GB eMMC) configurations differ and are not merged.

83RR0000US2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Retailer spec database for part number 83RR0000US, listed as Lenovo IdeaPad Slim 3 15IWC11. Reference config: Core 7 350, 16 GB, 512 GB, Cosmic Blue, English keyboard.

GTIN / EAN

Not available

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

Not available

Not available

Status

Available1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026CX1505CTA column is on the ASUS US tech spec page on 2026-10-14.

Available3Reviewtomsguide.com/computing/laptops/lenovo-ideapad-slim-3i-15-2026-reviewRead 13 October 2026Review of 4 August 2026 lists the model at Best Buy.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

US3Reviewtomsguide.com/computing/laptops/lenovo-ideapad-slim-3i-15-2026-reviewRead 13 October 2026Review of the unit sold at Best Buy in US dollars.

ColoursiThe maker's own colour names

Pure Grey, Misty Green, Forging Blue, Fabric Blue, Cream Pink, Bubbles Purple2Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026CX1505CTA column of the global tab lists Pure Grey, Misty Green, Forging Blue, Fabric Blue, Cream Pink and Bubbles Purple. The US tab lists Forging Blue for the same column. Not every color is sold with every memory and storage option.

Cosmic Blue2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Colour name: Cosmic Blue. The family sheet lists Breeze moss, Cosmic blue, Jelly mint, Luna grey and Meta grape.

Segment

Mainstream3Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505Read 14 October 2026Listed under ASUS Laptops For Home, ASUS Chromebook laptops, a budget 15.6-inch model.

Mainstream2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Mainstream IdeaPad Slim line sold as a budget everyday laptop. Tom's Guide calls it a laptop for everyday productivity for students and office workers.

Form factor

Clamshell3Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505Read 14 October 2026Hinged clamshell in the maker photos. Non-touch, no 360 hinge.

Clamshell2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Form factor: clamshell.

Chassis

1 of 6 differ

DimensionsiClosed laptop body size. Minimum and maximum thickness describe the front and rear or other points stated by the maker.

Width359.5Depth232.2Thickness (max)20.1mm(14.2 × 9.1 × 0.8 in)1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 202635.95 x 23.22 x 2.01 ~ 2.01 cm. Converted to mm. One thickness, stored as maximum.

Width343.4Depth239.5Thickness (min)17.9Thickness (max)18.9mm(13.5 × 9.4 × 0.7 in)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Models with PC-ABS top cover: 343.4 x 239.5 x 17.9-18.9 mm. The depth is 241.5 mm with the camera bump. Stored minimum and maximum are the front and rear heights. The aluminium top cover models are thinner and are not this model.

Weight (published)iPublished laptop weight without the charger. A starting weight is identified in the source note and may vary with configuration.

1.59kg(3.5 lb)1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Start from 1.59 kg (3.51 lbs). A starting weight, configurations may vary.

1.59kg(3.5 lb)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Models with 50Wh battery and IPS panel: starting at 1.59 kg (3.51 lbs). Approximate maker laboratory weight.

Lid material

Plastic8Reviewtechradar.com/computing/chromebooks/asus-chromebook-cx15-reviewRead 14 October 2026Review unit was the CX1505 with Celeron N4500 and the same chassis. Text: build quality is not great and the plastic chassis flexes. Lid and base are not named separately.

Plastic2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Housing material: polycarbonate (PC) and ABS. The family sheet names PC-ABS for the top and bottom covers of this variant.

Bottom material

Plastic8Reviewtechradar.com/computing/chromebooks/asus-chromebook-cx15-reviewRead 14 October 2026Same sentence. The ports are all on the left side.

Plastic2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Housing material: PC and ABS. The family sheet names PC-ABS for the bottom cover.

Max hinge angle

Not available

Not available

MIL-STD-810 testing (claimed)iManufacturer claim of MIL-STD-810 testing. The revision and tested procedures belong in the source note. This is not proof of every standard test.

Yes1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026US MIL-STD 810H military-grade standard. Maker claim. The tested procedures are not listed.

Yes1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026MIL-STD-810H military test passed (21 test items). Family sheet statement. The retailer database lists MIL-STD-810H for this model number.

Display

9 of 25 differ

Screen sizeiDiagonal of the main built-in display. Rounded-corner displays may be measured as a full rectangle.

15.6in(39.6 cm)1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Display row: 15.6-inch, non-touch screen, wide view, anti-glare display, 300nits, NTSC 45%.

15.3in(38.9 cm)2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Native resolution

1920 × 1080px2Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Global tab Display row: FHD (1920 x 1080) 16:9, 15.6-inch, non-touch.

1920 × 1200px2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 202615.3-inch 1920x1200 WUXGA IPS 120Hz 400 nits 100% sRGB, touchscreen yes, anti-glare yes.

Pixel density

141.2ppi=CalculatedFrom Screen size and Native resolution

148ppi=CalculatedFrom Screen size and Native resolution

Panel typeiDell's WVA means wide viewing angle and names no panel technology, so it is stored as IPS only when Dell or a review names IPS.

IPS5Spec databasestarryhope.com/chromebooks/models/asus-chromebook-cx15-cx1505ctaRead 14 October 2026Display row: IPS, non-touch.6Retailer pagestaples.com/asus-plus-cx15-15-6-chromebook-intel-core-n50-4gb-ram-128gb-ssd-chrome-os-cx1505cta-ws48g/product_24763086Read 14 October 2026Staples spec for CX1505CTA-WS48G: 15.6 IPS, 1920x1080. ASUS prints Wide view without naming IPS.

IPS2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Backlight

Not available

Not available

Dimming zonesiIndependently controlled backlight zones, not the number of LEDs or screen pixels.

Not available

Not available

Panel part numberiPanel part number identified in a matching review unit. Suppliers may vary within the same laptop configuration.

Not available

Not available

Screen surfaceiSurface of the stored display configuration. Anti-reflective coatings do not by themselves make a glossy display matte. A matte finish of the chassis is not the screen surface.

Matte1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Anti-glare display.

Matte1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Display table: anti-glare surface for the IPS rows.

Touchscreen

No1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Non-touch screen.

Yes2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Stylus

Not available

None1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Pen: No support.

Refresh rate modesiHighest confirmed operating refresh rate of the built-in display at each resolution. Add a second row only for a documented dual-mode panel, not an ordinary supported timing.

AASUS Chromebook CX15 CX1505CTA

Width (px)	Height (px)	Maximum operating refresh (Hz)
1920	1080	60

Source7Spec databasekelaptop.com/en/asus-chromebook-cx15-cx1505cta-s70276-90nx0922-m00990Read 14 October 2026S70276 page: 15.6 FHD 1920x1080, 60 Hz, anti-glare, not touch. Same panel row as the stored configuration.

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Width (px)	Height (px)	Maximum operating refresh (Hz)
1920	1200	120

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026WUXGA 15.3 inch multi-touch IPS 400 nits 120Hz option. The 60Hz non-touch and 165Hz OLED options are not this model.

Max refresh rate

60Hz=CalculatedFrom Refresh rate modes

120Hz=CalculatedFrom Refresh rate modes

Adaptive synciNamed variable refresh technologies for the built-in display. Manual switching between 60Hz and 120Hz is not VRR.

Not available

Not available

Gray-to-gray response time (claimed)iManufacturer claim for a gray-to-gray pixel transition. Do not use generic response times, black-to-white values, or motion-picture response times.

Not available

Not available

Native panel colour depthiPhysical panel colour depth per channel. Do not infer native bit depth or FRC from the number of supported colours.

Not available

Not available

Brightness (SDR, claimed)iManufacturer typical SDR luminance. Outdoor maxima and an unspecified peak are not typical SDR brightness.

300nits1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026ASUS lists 300nits without a qualifier.

400nits2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Peak brightness (SDR outdoors, claimed)iManufacturer maximum SDR luminance explicitly claimed for outdoor use. Ambient light, automatic brightness and other stated conditions belong in the source note. Not typical SDR or HDR brightness.

Not available

Not available

Sustained brightness (HDR, claimed)iManufacturer explicitly sustained HDR luminance. Screen area, duration, temperature and other stated conditions belong in the source note. Not a brief peak or SDR luminance.

Not available

Not available

Peak brightness (HDR, claimed)iManufacturer peak luminance explicitly measured or claimed in HDR. Window size and duration belong in the source note.

Not available

Not available

sRGB coverage (claimed)iManufacturer stated sRGB gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

100%1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Display table: 100% sRGB for the 120Hz touch IPS row.

DCI-P3 coverage (claimed)iManufacturer stated DCI-P3 gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

Not available

Adobe RGB coverage (claimed)iManufacturer stated Adobe RGB gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

Not available

HDR certification

Not available

Not available

Factory calibratediThe maker explicitly states factory colour calibration. Certification alone does not establish calibration.

Not available

Not available

Second display

Not available

Not available

Processor

9 of 14 differ

Processor

Intel Processor N501Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Processor row: Intel Processor N50 1.0 GHz (6MB Cache, up to 3.4 GHz, 2 cores, 2 Threads).

Intel Core 7 3502Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Intel Core 7 350, 6 cores (2 P-cores and 4 LP E-cores), 6 threads, boost 4.8 GHz.

Processor brand

Intel1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

Intel2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Core configurationiProcessor core groups using the chip maker's names. MediaTek Big, Apple Super and AMD Zen architecture labels remain distinct from Intel P and E labels.

AASUS Chromebook CX15 CX1505CTA

Count	Base clock (GHz)	Max clock (GHz)
2	1	3.4

Source1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 20262 cores, base 1.0 GHz, up to 3.4 GHz as published. No P or E core split is published by ASUS.

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	2	1.5	4.8
Low-power efficiency	4	1.4	3.6

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Core 7 350 row: 2 P-cores base 1.5 GHz and max 4.8 GHz, 4 LP E-cores base 1.4 GHz and max 3.6 GHz. Core names are not stated.

CPU cores

2=CalculatedFrom Core configuration

6=CalculatedFrom Core configuration

Cores labelled performanceiCounts only rows classified as performance. Other labels, including Big, Super and AMD Zen architecture rows, are not included.

Not available

2=CalculatedFrom Core configuration

Cores labelled efficiencyiCounts only efficiency and low-power-efficiency rows. AMD Zen 5c and Apple super cores are not included.

Not available

4=CalculatedFrom Core configuration

ThreadsiMaximum hardware threads of the processor, including simultaneous multithreading where supported.

21Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

62Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Processor threads: 6.

Max boost clock

3.4GHz=CalculatedFrom Core configuration

4.8GHz=CalculatedFrom Core configuration

L3 cacheiL3 cache only. Do not copy a combined L2 plus L3 cache total. Qualcomm's total cache, such as 30 MB on Snapdragon X, is not L3, even when a laptop maker labels it L3.

6MB1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

6MB1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Core 7 350 row lists 6 MB Intel Smart Cache, which is the shared L3.

ProcessiProcess size class of the processor compute die in nm, as on CPUs: TSMC N3B is 3, Intel 7 is 10, Intel 4 is 7 and Intel 18A is 1.8. Marketing process names and other chiplet processes belong in the source note.

10nm4Maker product pageintel.com/content/www/us/en/products/sku/233089/intel-processor-n50-6m-cache-up-to-3-40-ghz/specifications.htmlRead 14 October 2026Lithography Intel 7, stored as 10 nm like other Intel 7 laptops.

Not available

Sustained CPU power (configured)iThis laptop's sustained configured CPU power limit, such as PL1. A chip manufacturer's generic base power is not the laptop setting.

Not available

Not available

Peak CPU power (configured)iThis laptop's configured short-duration CPU limit, such as PL2. Do not substitute generic processor maximum turbo power.

Not available

Not available

Combined CPU and GPU poweriMaker stated simultaneous CPU plus discrete-GPU budget for the exact configuration and power mode.

Not available

Not available

NPU performanceiNPU-only claimed operations per second. Excludes combined CPU, GPU and platform AI throughput. Precision belongs in the source note.

Not available

17TOPS1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Core 7 350 row: NPU up to 17 TOPS.

Graphics

1 of 9 differ

Discrete GPUiA separate dedicated graphics processor is installed. Integrated or unified-memory graphics do not qualify.

No1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

No2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

GPU

Not available

Not available

GPU brand

Not available

Not available

VRAMiDedicated video memory of the installed discrete GPU. Shared system memory is excluded.

Not available

Not available

Max GPU power (TGP)iMaximum configured discrete-GPU power including Dynamic Boost. Mode and any maker qualification belong in the source note.

Not available

Not available

Dynamic BoostiMaximum additional GPU power shifted from the CPU through NVIDIA Dynamic Boost. This is part of maximum TGP, not extra to it. A figure written as "up to 115W Dynamic Boost" is the total, so it goes in gpu_tgp_max_w.

Not available

Not available

GPU boost clockiHighest maker configured GPU boost clock, including factory overclock where explicitly stated. Mode belongs in the source note.

Not available

Not available

GPU switchingiExplicit GPU display-routing or power-sharing features. Advanced Optimus includes hardware display multiplexing.

Not available

Not available

Integrated GPU

Intel UHD Graphics1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

Intel Graphics2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026On-board graphics card model: Intel Graphics. No discrete graphics card.

Memory

9 of 9 differ

Installed RAMiTotal installed RAM in this product configuration, not the maximum purchase option.

4GB1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 20264GB LPDDR5 on board, Memory Max Up to 4GB for this column.

16GB2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 202616 GB DDR5-SDRAM, one 16 GB SO-DIMM.

RAM type

LPDDR51Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

DDR52Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

RAM speediConfigured memory data rate in transfers per second. Do not treat the DRAM clock in MHz as the data rate.

Not available

5,600MT/s2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Memory clock speed 5600 MHz, DDR5-5600. The family sheet also lists DDR5-4800 for other models.

Memory channelsiActive memory channels of the installed configuration, not the number of RAM modules or slots. One installed module is one channel. This holds for DDR5 too, whose two 32-bit subchannels on one module do not count as two channels. Soldered LPDDR memory counts in 64-bit units, so a 128-bit bus is 2 channels, even when a maker calls it quad-channel.

14Maker product pageintel.com/content/www/us/en/products/sku/233089/intel-processor-n50-6m-cache-up-to-3-40-ghz/specifications.htmlRead 14 October 2026Max # of Memory Channels: 1 for the Processor N50. The installed memory is on board LPDDR5, so one channel is stored. ASUS does not state the channel count.

Not available

RAM upgradeiWhether the installed RAM is soldered, socketed in slots, or a mixture. Purchase-time configurations are not upgrades.

Soldered1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

Slots1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026One DDR5 SODIMM slot.

Memory slotsiPhysical replaceable RAM module sockets grouped by type and occupancy. Clocked SO-DIMM uses CSODIMM. Soldered memory is excluded.

AASUS Chromebook CX15 CX1505CTA

Not available

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Slot	Count	Occupied	Module size (GB)
SO-DIMM	1	Yes	16

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026One DDR5 SODIMM slot. The retailer database lists one 16 GB module installed.

RAM slots

Not available

1=CalculatedFrom Memory slots

Free RAM slots

Not available

0=CalculatedFrom Memory slots

Maximum supported RAMiManufacturer supported maximum RAM, including purchase-time soldered options. Does not imply post-purchase upgradeability.

Not available

32GB1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Max Memory: up to 32GB DDR5-5600 offering with one DDR5 SODIMM slot.

Storage

7 of 7 differ

Installed storageiTotal advertised installed storage in decimal GB. Convert 1TB to 1000GB, without changing an explicitly published 512GB value.

128GB1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

512GB2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026512 GB SSD M.2 2242 PCIe 4.0 NVMe. Decimal capacity.

Storage type

eMMC1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

NVMe SSD2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Installed drive PCIe generationiPCIe generation of the installed drive. This may be lower than the slot capability.

Not available

41Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026M.2 2242 SSD interface PCIe 4.0 x4.

Storage slotsiPhysical storage connectors grouped by capability and occupancy. A slot accepting several drive lengths is one slot, not one per length.

AASUS Chromebook CX15 CX1505CTA

Not available

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2242	PCIe NVMe	4	4	1	Yes

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026One M.2 2242 PCIe 4.0 x4 slot for the SSD models. The 512 GB SSD occupies it.

M.2 slots

Not available

1=CalculatedFrom Storage slots

Free storage slots

Not available

0=CalculatedFrom Storage slots

Maximum slot PCIe generation

Not available

4=CalculatedFrom Storage slots

Ports

4 of 7 differ

PortsiPhysical laptop connectors grouped by type, protocol capability and side. One connector with several protocols is counted once.

AASUS Chromebook CX15 CX1505CTA

Type	Version	Count	Side	Maximum data rate (Gbps)	DP Alt Mode
USB-C	USB 3.2 Gen 1	2	Left	5	Yes
USB-A	USB 3.2 Gen 1	1	Left	5	Not available
HDMI	HDMI 1.4	1	Left	Not available	Not available
3.5 mm audio	Not available	1	Left	Not available	Not available

Source2Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026CX1505CTA column: 2x USB 3.2 Gen 1 Type-C support display / power delivery, 1x USB 3.2 Gen 1 Type-A, 1x 3.5mm combo audio jack, 1x HDMI 1.4. The US tab's CX1505CTA I/O cell lists only up to 2x USB 3.2 Gen 1 Type-A and the audio jack, which looks truncated. The CX1505CKA column lists one USB-C, so counts are not copied between columns.7Spec databasekelaptop.com/en/asus-chromebook-cx15-cx1505cta-s70276-90nx0922-m00990Read 14 October 2026S70276 page: 2x USB-C (USB 3.2 Gen 1, DisplayPort Alt Mode), 1x USB-A, 1x HDMI 1.4, combo jack. Matches the ASUS global CX1505CTA column.

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Type	Version	Count	Maximum data rate (Gbps)	DP Alt Mode	Maximum charging input (W)
USB-A	USB 5Gbps	2	5	Not available	Not available
USB-C	USB 5Gbps	1	5	Yes	65
HDMI	HDMI 1.4	1	Not available	Not available	Not available
3.5 mm audio	Not available	1	Not available	Not available	Not available
SD card	Not available	1	Not available	Not available	Not available
DC in	Round tip power connector	1	Not available	Not available	Not available

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Standard ports: 2x USB-A (USB 5Gbps), 1x USB-C (USB 5Gbps) with USB PD 45-65W and DisplayPort 1.2, 1x HDMI 1.4, 1x 3.5 mm combo jack, 1x SD card reader, 1x round tip power connector. The overview figure shows the connectors but does not name left or right, so sides are not stored.

USB-C ports

2=CalculatedFrom Ports

1=CalculatedFrom Ports

Thunderbolt

Not available

Not available

Highest HDMI version

HDMI 1.4=CalculatedFrom Ports

HDMI 1.4=CalculatedFrom Ports

Card reader

No=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Ethernet speed

Not available

Not available

Maximum USB-C charging inputiHighest confirmed charging power accepted by a USB-C port. This is separate from adapter rating and power delivered to peripherals.

Not available

65W=CalculatedFrom Ports

Wireless

2 of 5 differ

Wi-Fi

Wi-Fi 61Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Wi-Fi 6 (802.11ax) (Dual band) 2*2 + Bluetooth 5.4 wireless card.2Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Same wireless row on the global tab.

Wi-Fi 62Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Wi-Fi 6 (802.11ax) 2x2, Bluetooth 5.3.

Wi-Fi bandsiSupported radio frequency bands. Availability may be restricted by country or regulatory configuration.

2.4 GHz, 5 GHz1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Dual band, read as 2.4 and 5 GHz.

2.4 GHz, 5 GHz1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Wi-Fi 6 (802.11ax) uses the 2.4 GHz and 5 GHz bands. This model has Wi-Fi 6 per the retailer database, so no 6 GHz band.

Wi-Fi module

Not available

Not available

BluetoothiThe version as a number with one decimal, such as 5.4 or 6.0. A qualifier such as or above goes in the source note.

5.41Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

5.32Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Cellular

Not available

No1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026WWAN: No support.

Keyboard and touchpad

4 of 8 differ

Keyboard layoutsiDocumented layouts of the retained regional SKUs. Do not infer a layout solely from the sales country.

Not available

English2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Keyboard language: English.

Key switches

Not available

Not available

Keyboard backlightiA maker-confirmed backlight with no published type uses backlit_unspecified. Do not infer white lighting, a single colour or RGB from backlit alone. A single-zone RGB backlight is RGB zones.

None5Spec databasestarryhope.com/chromebooks/models/asus-chromebook-cx15-cx1505ctaRead 14 October 2026Backlit Keyboard: No. The Staples page for CX1505CTA-WS48G also says backlit keyboard No.6Retailer pagestaples.com/asus-plus-cx15-15-6-chromebook-intel-core-n50-4gb-ram-128gb-ssd-chrome-os-cx1505cta-ws48g/product_24763086Read 14 October 2026Backlit keyboard: No.

None2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Keyboard backlit: No. Tom's Guide also lists the lack of a backlit keyboard as a con.

NumpadiDedicated physical numeric keypad. A virtual touchpad number pad is not counted.

Yes5Spec databasestarryhope.com/chromebooks/models/asus-chromebook-cx15-cx1505ctaRead 14 October 2026Keyboard row: numeric keypad. Backlit keyboard No. The ASUS US tab lists Support NumberPad only for the CX1505CKA column. The Staples product photo of the CX1505CTA shows keys to the right of the main block.7Spec databasekelaptop.com/en/asus-chromebook-cx15-cx1505cta-s70276-90nx0922-m00990Read 14 October 2026Keyboard: full-size with numeric keypad.

Yes2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Numeric keypad: Yes.

Key traveliPhysical key travel distance, not actuation distance.

1.35mm1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Chiclet Keyboard, 1.35mm Key-travel, Spill-resistant Keyboard.

1.3mm1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 20266-row keyboard, key travel 1.3mm, numeric keypad, Copilot key.

Pointing stickiDedicated stick pointing device such as TrackPoint. A touchpad does not qualify.

Not available

Not available

Touchpad size

Not available

Width120Height75mm(4.7 × 3 in)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Buttonless Mylar surface multi-touch touchpad, 75 x 120 mm. Precision TouchPad.

Touchpad mechanismiA clickpad or glass touchpad that clicks when pressed down is mechanical. Haptic needs a source that says haptic or force feedback.

Not available

Mechanical1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Buttonless clickpad with a Mylar surface. No haptic touchpad is named.

Camera and audio

6 of 7 differ

Webcam

720p5Spec databasestarryhope.com/chromebooks/models/asus-chromebook-cx15-cx1505ctaRead 14 October 2026CX1505CTA page: camera 720p with a physical privacy shutter. The ASUS global tab lists both 720p and 1080p cameras for the CX1505CTA column.

HD 720p2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Front camera 1280 x 720 pixels, HD.

IR face loginiAn infrared camera suitable for Windows Hello face authentication. An ordinary webcam or fingerprint sensor does not qualify.

Not available

No2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026The camera list shows a front HD camera with privacy shutter and no infrared camera. The family sheet lists IR only with the FHD 1080p camera option.

Webcam privacy

Physical shutter1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Camera row: With privacy shutter.

Physical shutter2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Privacy camera: privacy shutter.

Built-in speaker driversiIndividual built-in acoustic drivers, including separate tweeters and woofers. Do not count audio channels or infer driver count from speaker assemblies.

Not available

22Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 20262 built-in speakers, 2 W.

Total speaker poweriCombined published power of the built-in speaker drivers. RMS or peak classification belongs in the source note.

Not available

4W1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Stereo speakers, 2W x2.

Audio features

Not available

Dolby Audio1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Stereo speakers, 2W x2, optimized with Dolby Audio.

MicrophonesiPhysical built-in microphones, not beamforming channels or microphone modes.

Not available

22Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Built-in microphone, number of microphones 2.

Battery and power

4 of 5 differ

Battery energyiPublished nominal energy capacity of the installed internal battery in watt-hours. Separate from measured runtime and charger output.

42Wh1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 202642WHrs, 3S1P, 3-cell Li-ion.

50Wh2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Battery capacity 50 Wh, lithium-ion.

Claimed battery lifeiManufacturer maximum runtime for each explicitly named test. Display brightness, configuration and other conditions belong in the source note. Wireless streaming preserves an unnamed content type and does not imply video or audio. Video conferencing requires an explicit calling test, with application and participant setup in the source note. MobileMark versions use different workloads, so compare only rows of the same version.

AASUS Chromebook CX15 CX1505CTA

Not available

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Use case	Hours (h)
Video playback	18.5

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Models with 50Wh battery: local video (1080p) playback at 150 nits up to 18.5 h. Approximate maximum claim, not a measurement. The 60Wh models claim 19 h.

Adapter rated outputiNominal rated output of the documented supplied or recommended adapter. A temporary dynamic maximum belongs in the source note. Not the laptop charging-input limit.

45W1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026TYPE-C, 45W AC Adapter, 15V DC 3A. Wall-mount.

65W2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026AC adapter power 65 W.

Laptop charging connectoriConnector at the laptop end of the documented main charging cable, not the wall plug or adapter-end connector. HP's AC smart pin is a round DC plug, so it is barrel.

USB-C1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

Barrel1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 202665W round tip (3-pin) AC adapter.

Charge 0 to 50 % (claimed)iManufacturer time to charge an empty battery to 50%. Adapter and powered-off conditions belong in the source note.

Not available

Not available

Cooling

None of 4 known

FansiPhysical cooling fans inside the laptop. Excludes fans in external coolers and the power adapter.

Not available

Not available

Vapor chamberiA vapor-chamber heat spreader is installed. Ordinary heatpipes alone do not qualify.

Not available

Not available

Liquid metaliComponents where the maker confirms liquid-metal thermal material. Ordinary thermal paste is excluded.

Not available

Not available

Power modesiPublished laptop operating modes and configured power limits. Do not place observed runtime power measurements in this table.

Not available

Not available

Security

3 of 4 differ

Fingerprint

Not available

None2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Fingerprint reader: No.

TPM

Not available

2.01Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Firmware TPM 2.0 integrated in SoC.

Remote management

Not available

Not available

Security lock slotiA dedicated built-in physical security-cable slot. Security locks that occupy a USB-C port do not qualify.

Yes1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Security row: Titan C Security Chip, Kensington Nano Security Slot (6x 2.5mm).

Not available

Software

3 of 3 differ

Operating system

ChromeOS1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026ChromeOS.

Windows 11 Home2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Windows 11 Home, English.

OS family

ChromeOS1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026

Windows2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026

Security updates untiliPublished end date of OS/security updates promised for the exact device model. Preserve the source precision. Do not calculate it from years or substitute a generic OS-version lifecycle. Unknown when no device-specific promise is published.

June 20335Spec databasestarryhope.com/chromebooks/models/asus-chromebook-cx15-cx1505ctaRead 14 October 2026AUE date listed as June 2033 for the CX1505CTA with the Intel N50. Google's Auto Update policy table lists Chromebook CX1505CTAZ as Jun 2033 and Chromebook Plus CX15 (CX1505CTA) as Jun 2035. ASUS names the non-Plus model CX1505CTA, so the Z row is read as this model. Doubt noted.9Maker product pagesupport.google.com/chrome/a/answer/6220366Read 14 October 2026Google Chrome Enterprise Auto Update policy table, ASUS section: Chromebook CX1505CTAZ Jun 2033. Chromebook Plus CX15 (CX1505CTA) Jun 2035 is the Plus model and is not used. Stored with month precision.

Not available

Measured display

1 of 12 differ

Brightness (measured, centre)iReviewer center-point SDR luminance for the matching display configuration. Do not substitute a review average or unspecified measurement.

Not available

Not available

Brightness (measured, average)iReviewer mean luminance across a documented display grid, normally nine points.

Not available

Not available

Contrast ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

HDR peak brightness (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

sRGB coverage (measured)iReviewer measured sRGB coverage, not gamut volume. Instrument and method belong in the source note.

Not available

Not available

DCI-P3 coverage (measured)iReviewer measured DCI-P3 coverage, not gamut volume. Display P3 measurements are identified in the source note.

Not available

Not available

Colour accuracy (measured Delta E)iReviewer colour error before calibration. Delta-E formula, colour space and picture mode belong in the source note.

Not available

0.33Reviewtomsguide.com/computing/laptops/lenovo-ideapad-slim-3i-15-2026-reviewRead 13 October 2026Tom's Guide lab table, Delta-E 0.30 (the table has no formula, colour space or mode). The table also lists 116% sRGB and 82.2% DCI-P3 volume, which are gamut volumes and are not stored as coverage. Test unit: Core 7 350, 16 GB, 512 GB SSD, 15.3-inch 1920 x 1200 IPS 120 Hz touch, blue, sold at Best Buy.

PWM flicker foundiWhether a reviewer detected pulse-width-modulation flicker under the documented test conditions. False does not prove all frequency ranges were tested.

Not available

Not available

PWM frequency (measured)iDetected PWM frequency at the brightness setting stated by the reviewer.

Not available

Not available

PWM at or below brightnessiHighest display brightness setting at or below which the documented PWM is detected.

Not available

Not available

Response black to white (measured)iReviewer combined rise and fall response for black-to-white-to-black, with test conditions in the source note.

Not available

Not available

Response grey to grey (measured)iReviewer combined rise and fall response between specified grey levels. State the levels in the source note.

Not available

Not available

Measured performance

2 of 8 differ

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench 6 single-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

2,669points3Reviewtomsguide.com/computing/laptops/lenovo-ideapad-slim-3i-15-2026-reviewRead 13 October 2026Geekbench 6 single-core 2669. Same test unit.

Geekbench 6 multi-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

7,827points3Reviewtomsguide.com/computing/laptops/lenovo-ideapad-slim-3i-15-2026-reviewRead 13 October 2026Geekbench 6 multi-core 7827. Same test unit.

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker. Graphics score, not the overall score. A score the review does not label as graphics is left out.

Not available

Not available

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Game frame ratesiMatching review-unit game results. Resolution, preset, upscaling, frame generation and ray tracing are stated only when documented.

Not available

Not available

Measured noise and temperature

None of 9 known

Fan noise per modeiReviewer sound-pressure readings for the matching configuration and mode. Measurement distance and workload belong in the source note.

Not available

Not available

Max fan noiseiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Fan noise while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Top surface under loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Bottom surface under loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Palm rest under loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

CPU temperature in stress testiMeasured by a reviewer, not claimed by the maker

Not available

Not available

CPU clock in stress testiMeasured by a reviewer, not claimed by the maker

Not available

Not available

GPU temperature while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery and power

1 of 10 differ

Battery runtime per testiReviewer runtime for the exact test and configuration. Mixed browsing, video and graphics workloads are classified as mixed use.

AASUS Chromebook CX15 CX1505CTA

Not available

BLenovo IdeaPad Slim 3i (15", Gen 11) 15IWC11

Test	Brightness (nits)	Hours (h)
Mixed use	150	10.56

Source3Reviewtomsguide.com/computing/laptops/lenovo-ideapad-slim-3i-15-2026-reviewRead 13 October 2026Lab test 10 h 33 min 51 s (10.56 h). The text describes a synthetic battery test with the screen at 150 nits that auto-browses websites, streams video and runs OpenGL tests, so it is stored as mixed use. The review's own text calls it the web-browsing battery test. Power mode is not stated. Same test unit.

Wi-Fi browsing runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Video runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Full charge time (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Power draw idleiHighest reviewer idle AC power reading for the matching configuration and test conditions.

Not available

Not available

Power draw gamingiReviewer AC power draw during the named game and settings. Not GPU-only power.

Not available

Not available

Power draw maxiMaximum reviewer AC input power during the documented load or stress test. Not the adapter rating.

Not available

Not available

Sustained CPU power (measured)iObserved sustained CPU package power during the documented test. Not the configured PL1 limit.

Not available

Not available

GPU power while gaming (measured)iObserved GPU-only power while running the documented game and settings.

Not available

Not available

Weight (measured)iReviewer measured laptop mass without its power adapter unless the source note explicitly states otherwise.

Not available

Not available

Certifications

3 of 6 differ

Intel EvoiManufacturer certification of the exact configuration as Intel Evo. Processor support alone does not establish certification.

Not available

Not available

Copilot+ PCiManufacturer identifies the configuration as Copilot+ PC. A Copilot keyboard key alone is insufficient.

Not available

No1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026AI PC Category: AI PC only. The sheet lists no Copilot+ PC category for the 15IWC11.

Colour certifications

Not available

Not available

ENERGY STAR

Yes1Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Ecolabels row for the CX1505CTA column: Energy star 9.0 and 28% total PCR recycled plastic.

Yes2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Sustainability certificates: EPEAT Gold, ENERGY STAR. EPEAT and ENERGY STAR registration are optional per the family sheet. EPEAT is registered where applicable.

EPEAT

Not available

Gold2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026Sustainability certificates: EPEAT Gold.

Other certifications

Not available

TÜV Rheinland Low Blue Light (Software Solution), ErP Lot 6/26, RoHS compliant1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026Green certifications: ErP Lot 6/26, RoHS compliant. Display key features of the 120Hz touch panel: TUV Rheinland Low Blue Light (Software).

In the box

2 of 2 differ

In the boxiAccessories confirmed for this exact SKU. Do not combine mutually exclusive regional bundles into one box.

Not available

65W round tip AC adapter2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026AC adapter included: Yes.

Power adapter includediWhether a power adapter is included with this exact regional SKU. A supported or recommended adapter does not prove inclusion.

Not available

Yes2Retailer pagekelaptop.com/en/lenovo-ideapad-slim-3-15iwc11-83rr0000usRead 13 October 2026AC adapter included: Yes.

Warranty

1 of 2 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year6Retailer pagestaples.com/asus-plus-cx15-15-6-chromebook-intel-core-n50-4gb-ram-128gb-ssd-chrome-os-cx1505cta-ws48g/product_24763086Read 14 October 20261-year limited warranty on the Staples listing (US).

Not available

Warranty serviceiDocumented manufacturer warranty service for the named market. Included paid service upgrades belong in the source note.

Not available

Not available

Links

Not compared

Product page

www.asus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx15053Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505Read 14 October 2026

psref.lenovo.com/Detail/IdeaPad_Slim_3_15IWC111Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026PSREF model page for this model number. The page is rendered by script, so the family PDF was read instead.

Spec sheet

www.asus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspec2Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-cx15-cx1505/techspecRead 14 October 2026Global tech spec page for the CX1505 family.

psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdf1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/IdeaPad/IdeaPad_Slim_3_15IWC11/IdeaPad_Slim_3_15IWC11_Spec.pdfRead 13 October 2026

Manual

Not available

Not available

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

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