Desktop PCs / Compare

GEEKOM GT15 Max AI Mini PC vs MINISFORUM UM890 Pro

A

Product A: GEEKOM

GT15 Max AI Mini PC

69 of 160 known

Change GEEKOM GT15 Max AI Mini PC

Compare the MINISFORUM UM890 Pro with

Search desktop PCs

B

Product B: MINISFORUM

UM890 Pro

84 of 160 known

Change MINISFORUM UM890 Pro

Compare the GEEKOM GT15 Max AI Mini PC with

Search desktop PCs

All 160 fields

Every value links to where we found it.

Only differences

AGEEKOM GT15 Max AI Mini PC

BMINISFORUM UM890 Pro

General

1 of 9 differ

Series

GT Series1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026The page's structured data lists the product under GT Series. The site menu files it under Intel Series, GT Series.

EliteMini2Maker product pageminisforum.com/products/minisforum-um890-proRead 16 October 2026The overview heading is MINISFORUM EliteMini UM890 Pro. The manual cover says New Gen ELITEMINI Computer.

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

GMGT15MAXU9285H-321-US1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026The page's structured data gives SKU GMGT15MAXU9285H-321-US for the 32 GB RAM + 1 TB SSD option. The UK page gives GMGT15MAXU9285H-321-UK-1 for the same option.

UM890Pro31US1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026The store variant data gives UM890Pro31US for AMD Ryzen 9 8945HS with 32GB RAM (4800MHz) and 1TB SSD. This file describes that configuration. The barebone is UM890Pro00US, the 32GB and 512GB model is UM890Pro35US and the 64GB and 1TB model is UM890Pro61US.

GTIN / EAN

8101907222995Retailer pageamazon.com/dp/B0FMFCMJZLRead 16 October 2026Amazon US item details list Global Trade Identification Number 00810190722299 for the 32GB DDR5 + 1TB SSD listing. The UPC 810190722299 is stored.

Not available

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

Not available

Not available

Status

Available1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Add to cart is shown. The page header names a sale price of 1,399 USD from 1,699 USD. No launch price is stored.

Available1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026The US store page shows add to cart. The maker's global page lists the US variants as sold out at the time of reading.

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.

Not available

Not available

ColoursiThe maker's own colour names

Not available

Not available

SegmentiUse the maker's product category. Do not assign a use case from performance or appearance alone.

Mini PC1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Filed under Mini PCs > Intel Mini PC.

Mini PC2Maker product pageminisforum.com/products/minisforum-um890-proRead 16 October 2026The maker files it under Elite Mini PC in its Mini PC range. The US store tags it mini pc.

Form factoriThe maker's stated chassis class. Generic tower does not imply a full, mid or mini tower tier.

Mini PC1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Maker calls it a mini PC.

Mini PC2Maker product pageminisforum.com/products/minisforum-um890-proRead 16 October 2026The maker calls it a mini PC.

Case

5 of 10 differ

Case dimensionsiChassis width, height and depth in the stated orientation. Source notes identify feet, handles or brackets excluded by the maker. An all-in-one is measured with its included stand when the maker gives both sizes.

Width136Height50Depth132mm(5.4 × 2 × 5.2 in)1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Spec table: 5.35 x 5.20 x 1.97 inches, which is 135.9 x 132.1 x 50.0 mm. The support page says 136 x 132 x 50mm. The UK page says 135 x 132 x 46.9 mm. The maker's mm figures from the US support page are stored. The maker gives no axis labels, so width and depth follow the order given.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Form Factor 136 x 132 x 50mm.3Maker product pagegeekom.co.uk/geekom-gt15-max-mini-pcRead 16 October 2026UK table says 135 x 132 x 46.9 mm, which differs from the 136 x 132 x 50mm of the US support page in height. The US maker figure is stored.

Width130Height66.6Depth127mm(5.1 × 2.6 × 5 in)3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Product Dimension 130mm*127mm*66.6mm. The maker gives no axis labels. The width 130 and depth 127 order matches Heise's listing. Heise lists a 60.6mm height and Liliputing 67mm. The maker figure is stored.8Spec databasepreisvergleich.heise.de/minisforum-um890-pro-a3808414.htmlRead 16 October 2026Heise price comparison lists 130x60.6x127mm (BxHxT), which confirms width 130 and depth 127 but gives 60.6mm for the height. It also says Bluetooth 5.3 and lists a VESA bracket for 75x75 and 100x100. No VESA pattern is stored.

Case volumeiVolume published by the maker. It may differ from the outer dimensions multiplied together.

0.9L1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026A compact 0.9L mini PC.

Not available

WeightiPublished system weight for the stated configuration. Source notes distinguish maximum, approximate and starting weights. An all-in-one is weighed with its included stand when the maker gives both weights.

Not available

0.7075kg(1.6 lb)3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Net Weight 707.5g. The packed weight is 1.835 kg.

Case model

Not available

Not available

Case materialsiPublished materials of the enclosure and panels, not every internal component. An edition with other panels, such as a wood front, can differ, so it is per variant.

Not available

Aluminium, Plastic6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Black aluminium case with a detachable plastic top and a plastic bottom.

Side panel

Not available

Not available

Front panel

Not available

Not available

Tool-less side paneliWhether the side panel can be opened without a tool after any shipping or security screw is removed. Conditions belong in the source note.

Not available

Yes4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 21: the top cover opens first. Reaching the memory and SSD then needs a screwdriver for the cover plate screws. Liliputing and ServeTheHome describe the outer top cover as magnetic.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026The top is held by strong magnets and lifts off by hand. The plastic tray under it is held by four corner screws.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026The user-serviceable parts are on top and the first step is removing the magnetic top cover.

Dust filters

Not available

Not available

VESA mount

Not available

Not available

Display

None of 6 known

Screen sizeiActual diagonal of the primary built-in all-in-one display. Do not substitute a rounded marketed size. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Native resolutioniPhysical pixel resolution of the primary built-in all-in-one display. External video-output limits, bundled monitors and chassis status screens do not qualify.

Not available

Not available

Panel typeiPublished panel technology of the primary built-in all-in-one display. A display brand name alone does not establish panel technology. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Max refresh rateiHighest published refresh rate of the primary built-in display at native resolution. External video-output limits do not qualify.

Not available

Not available

TouchscreeniPublished touch-input support of the primary built-in display. A touchscreen status panel does not qualify.

Not available

Not available

Brightness (SDR, claimed)iManufacturer ordinary brightness rating of the primary built-in display. Preserve published conditions in source notes. Not HDR peak, outdoor peak or a reviewer measurement.

Not available

Not available

Motherboard

1 of 9 differ

Motherboard

Not available

Not available

Chipset

Not available

Not available

Motherboard form factoriMotherboard dimensions class, not the size of the computer case.

Not available

Not available

CPU socket

FCBGA20494Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026Sockets: FCBGA2049, a soldered package.

Not available

Expansion slotsiPhysical card slots and WLAN M.2 slots. Storage M.2 slots belong in storage_slots. Mechanical slot shape and electrical lane width are separate.

AGEEKOM GT15 Max AI Mini PC

Mechanical slot type	Count	Occupied
M.2 E-key	1	Yes

Source2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 20261 x M.2 key-E slot for CNVi/PCIe Wi-Fi (2230). The Wi-Fi 7 card uses it.

BMINISFORUM UM890 Pro

Mechanical slot type	Count	Occupied
M.2 E-key	1	Yes

Source4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 6 and spec sheet: the Wi-Fi card is an M.2 2230 card.

PCIe x16 slotsiCounts mechanically x16 card slots, including occupied slots. A slot may have fewer electrical lanes.

0=CalculatedFrom Expansion slots

0=CalculatedFrom Expansion slots

Free expansion slotsiCounts slots documented as unoccupied. GPU thickness can block access to an unoccupied slot.

0=CalculatedFrom Expansion slots

0=CalculatedFrom Expansion slots

Fan headersiPhysical connectors for fans on the motherboard, not the number of installed fans.

Not available

Not available

Overclocking in BIOSiTrue when BIOS permits CPU or memory tuning. Source notes must distinguish XMP or EXPO memory tuning from CPU multiplier overclocking.

Not available

Not available

Processor

14 of 16 differ

Processor

Intel Core Ultra 9 285H1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Intel Core Ultra 9-285H. The page says the 16-core chip reaches up to 5.4GHz.

AMD Ryzen 9 8945HS1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: AMD Ryzen 9 8945HS Processor, 8 Cores/16 Threads. The maker's spec sheet also allows the Ryzen 9 PRO 8945HS.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026CPU row: AMD Ryzen 9 PRO 8945HS or AMD Ryzen 9 8945HS, 8 Cores/16 Threads (16M Cache, up to 5.2 GHz). The store table says up to 5.3 GHz. AMD says 5.2 GHz.

Processor brand

Intel4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026

AMD5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026

Processor codenameiChip maker's processor or platform codename. This is separate from each core's architecture name.

Arrow Lake4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026Code name: Products formerly Arrow Lake. The maker's UK page says Intel Arrow Lake.

Hawk Point5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026Former Codename Hawk Point.

Core configurationiOne row per stated core category. Apple super cores are distinct from performance cores. Clock values describe that category.

AGEEKOM GT15 Max AI Mini PC

Core type	Count	Base clock (GHz)	Max core turbo clock (GHz)
Performance	6	2.9	5.4
Efficiency	8	2.7	4.5
Low-power efficiency	2	1	2.5

Source4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 20266 P-cores (base 2.9 GHz, max turbo 5.4 GHz), 8 E-cores (base 2.7 GHz, max turbo 4.5 GHz), 2 LP E-cores (base 1 GHz, max turbo 2.5 GHz).

BMINISFORUM UM890 Pro

Core type	Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
Performance	8	Zen 4	4	5.2

Source5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 20268 cores, Zen 4, base clock 4 GHz, max boost up to 5.2 GHz.

CPU cores

16=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Performance coresiCounts rows explicitly classified as performance cores. Apple super cores are stored separately and excluded.

6=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Efficiency coresiCounts efficiency and low-power efficiency cores. Zero means a complete stated core configuration has no such cores.

10=CalculatedFrom Core configuration

0=CalculatedFrom Core configuration

Threads

164Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 202616 threads.

165Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026

Max core turbo clockiHighest core-category turbo or boost clock in cpu_clusters. Separate favored-core or processor-level boost ratings are not substituted for a category's published turbo clock.

5.4GHz=CalculatedFrom Core configuration

5.2GHz=CalculatedFrom Core configuration

L3 cache

24MB4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 202624 MB Intel Smart Cache.

16MB5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026

CPU core process nodeiPublished CPU-core fabrication node. Package components and I/O dies may use other nodes. Maker node name belongs in the source note.

3nm4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026Lithography TSMC N3B.

4nm5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026TSMC 4nm FinFET.

CPU base power (chip rating)iChip maker's base-power or default-TDP rating. It is not measured wall power or the PC maker's configured power limit.

45W4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026Processor base power 45 W. Maximum turbo power 115 W. This is the chip rating, not the maker's configured limit. The US support page says Ultra 9 TDP 45 W with a max operating range of 45 W and the UK page says TDP 65W, so no configured peak power is stored.

45W5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026Default TDP 45W. Configurable TDP is 35 to 54W.

Peak CPU power (configured)iPower limit configured by the PC maker, such as PL2 or PPT. Do not substitute the chip maker's maximum turbo-power rating.

Not available

65W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Default Balance Mode in the UEFI sets PL1 60 W and PL2 65 W. Performance Mode raises both to 70.8 W. The maker says up to 70W in power mode. The default PL2 is stored.

Unlocked multiplier

Not available

No5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026Unlocked for Overclocking: No.

NPU performanceiPublished NPU throughput only. GPU, total-system AI throughput and different precision modes are separate. Precision belongs in the source note.

13TOPS1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Intel Arc 140T GPU/13TOPS NPU in the spec table. The 99 TOPS figure is platform TOPS across CPU, GPU and NPU.4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026NPU 13 TOPS (Int8). Platform 99 TOPS.

16TOPS5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026NPU TOPS up to 16. Overall TOPS up to 39.

Integrated GPU

Intel Arc 140T1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Intel Arc 140T graphics.4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026Intel Arc 140T GPU with 8 Xe-cores.

AMD Radeon 780M1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table GPU: AMD Radeon 780M.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026GPU: AMD Radeon 780M.

Cooling

3 of 6 differ

CPU cooler

Air1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026IceBlast 2.0 cooling with a large fan and dual copper heat pipes.

Air6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Copper heat pipes, a heat spreader and a large fan that exhausts hot air, plus a separate fan and heat sink for the NVMe drives.

CPU cooler model

IceBlast 2.01Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026IceBlast 2.0.

Cold Wave 2.21Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Cold Wave 2.2 cooling with an active DDR and SSD cooler and a 6CM fan.

Radiator size

Not available

Not available

Radiator position

Not available

Not available

Case fansiInstalled chassis airflow fans, including radiator fans. Excludes GPU, PSU and standalone CPU-cooler fans. Count fan rotors, including multiple rotors in a single-frame assembly. A mini PC whose only fan cools the processor and moves the air through the case counts that fan.

AGEEKOM GT15 Max AI Mini PC

Fan rotors
1

Source1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026A large fan. The support page lists one fan connector. The size and position are not stated.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Internal connector: 1 x FAN.

BMINISFORUM UM890 Pro

Fan rotors
2

Source6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026The review names the top and bottom fans of the Cold Wave 2.2 system and calls them the dual fans. The CPU fan and the fan for the SSDs and memory are counted. Their sizes and positions are not stated.

Number of case fansiSum of documented chassis and radiator fan rotors. Excludes GPU, PSU and standalone CPU-cooler fans.

1=CalculatedFrom Case fans

2=CalculatedFrom Case fans

Graphics

0 of 11 differ

Discrete GPU

No1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026The GPU row lists only the Arc 140T integrated graphics.

No3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026The GPU row lists only the Radeon 780M, the processor's integrated graphics. The OCuLink port is for an external GPU dock.

GPUiDiscrete graphics chip. Integrated graphics belong in integrated_gpu.

Not available

Not available

GPU brand

Not available

Not available

Graphics card

Not available

Not available

VRAM

Not available

Not available

VRAM type

Not available

Not available

GPU board poweriConfigured total board power of the installed card. A chip-family reference rating is not proof of an OEM card limit.

Not available

Not available

GPU boost clockiPublished boost clock for the installed graphics card and mode. Do not use a measured transient clock or another board model's rating.

Not available

Not available

Graphics card length

Not available

Not available

Graphics card thicknessiCard thickness in PCIe bracket-slot units, such as 2.5. This is not the number of connectors or motherboard slots.

Not available

Not available

GPU power connector

Not available

Not available

Memory

4 of 11 differ

RAM

32GB1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Variant U9-285H 32 GB RAM + 1 TB SSD.

32GB1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Variant label 32GB RAM(4800Mhz)+1TB SSD.

RAM type

DDR51Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026DDR5 SODIMM.

DDR51Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: DDR5 Dual channel (SODIMM Slots x2, Up to 5600MHz, Max 96GB).3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026DDR5 Dual channel, SODIMM slots x2, up to 5600MHz.

Configured RAM speediMemory transfer rate configured on delivery. A rated XMP or EXPO profile may be faster when it is disabled.

5,600MT/s5Retailer pageamazon.com/dp/B0FMFCMJZLRead 16 October 2026Item details: Memory Speed 5600 MHz and Memory Clock Speed 5600 MHz for 32 GB DDR5. The maker's US page gives no speed. The maker's GT2 Mega page says DDR5-5600 but that product is not used as evidence.

4,800MT/s1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026The US variant label says 4800MHz. The 2024 review units of Liliputing and ServeTheHome had Crucial DDR5-5600 modules, so the shipped module differs by batch. The maker spec table says up to 5600MHz.

Rated kit speediRated memory-kit or profile speed. This can differ from the speed configured on delivery.

Not available

Not available

Memory kit

Not available

Not available

RAM upgradeiHow installed memory is physically attached. Purchase-time capacity choices do not mean memory can be upgraded later.

Slots1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Dual SO-DIMM slots.

Slots1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Two SODIMM slots.

Memory slotsiPhysical replaceable memory connectors, with one row per occupancy state. Package-integrated memory is not a DIMM slot.

AGEEKOM GT15 Max AI Mini PC

Slot	Count
SO-DIMM	2

Source1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Dual SO-DIMM slots. The maker does not say how the installed 32 GB is split, so the slot occupancy is not stored.

BMINISFORUM UM890 Pro

Slot	Count	Occupied	Module size (GB)
SO-DIMM	2	Yes	16

Source4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 23: DDR5 goes into two memory slots. A module with a heat sink goes in the lower slot.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Review unit had two Crucial 16 GB DDR5-5600 modules.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026The 32GB and 1TB review unit had two Crucial DDR5-5600 SODIMMs of 16GB each.

RAM slots

2=CalculatedFrom Memory slots

2=CalculatedFrom Memory slots

Free RAM slots

Not available

0=CalculatedFrom Memory slots

Max RAM for this CPU and GPUiMaximum stated capacity without changing the CPU or GPU configuration represented by this product. For integrated memory this is a purchase-time limit. For slot-based RAM it is the maker's supported upgrade limit.

128GB1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Dual SO-DIMM slots support up to 128GB of DDR5 memory.

96GB1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Max 96GB, up to 48GB on a single memory stick.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Max Memory Size 96GB, Max # of DIMMs 2.

ECC memoryiSystem-level ECC memory support or configuration. DDR5 on-die ECC alone does not establish this field.

No4Maker product pageintel.com/content/www/us/en/products/sku/241747/intel-core-ultra-9-processor-285h-24m-cache-up-to-5-40-ghz/specifications.htmlRead 16 October 2026ECC memory supported: No.

No3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026ECC Memory Supported: NO.5Maker product pageamd.com/en/products/processors/laptop/ryzen/8000-series/amd-ryzen-9-8945hs.htmlRead 16 October 2026ECC Support: No.

Storage

2 of 7 differ

Storage

1TB=CalculatedFrom Installed drives

1TB=CalculatedFrom Installed drives

Installed drivesiInstalled drives, one row per physical drive. Capacity is in decimal GB. Use the generic SSD option when its protocol is not published. It does not establish an interface or socket. Do not represent alternative purchase capacities as installed drives.

AGEEKOM GT15 Max AI Mini PC

Capacity (GB)	Type
1,000	NVMe SSD

Source1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Variant label says 1 TB SSD. The 1 TB drive must sit in the M.2 2280 slot, since the second slot is SATA only.5Retailer pageamazon.com/dp/B0FMFCMJZLRead 16 October 2026Hard Disk Interface: PCIE x 4. 1TB SSD in the title.

BMINISFORUM UM890 Pro

Capacity (GB)	Type	PCIe generation
1,000	NVMe SSD	4

Source1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Variant label 1TB SSD. The spec table says M.2 2280 PCIe4.0 SSD x2.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Review unit had a Kingston 1TB M.2 2280 PCIe Gen 4.0 drive. Drive brands differ between units, so no model is stored.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026Kingston 1TB NVMe SSD in one M.2 slot and nothing in the second slot.

Storage slots and baysiPhysical SSD connectors and drive bays, counted once each. Multiple supported M.2 lengths or alternative bay uses do not create extra slots.

AGEEKOM GT15 Max AI Mini PC

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes
M.2 2242	SATA	Not available	Not available	1	No

Source1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 20261 x M.2 2280 PCIe Gen4 x4 SSD up to 4TB and 1 x M.2 2242 SATA III SSD up to 2TB. The spec table says up to 1TB for the second slot while the headline says 2TB.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 20261 x M.2 2280 PCIe Gen4x4 SSD and 1 x M.2 2242 SATAIII SSD. Internal connectors: M.2 key-M slot for PCIe x4 Gen 4 NVMe SSD (2280), M.2 key-B slot (SATA, 2242).

BMINISFORUM UM890 Pro

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes
M.2 2280	PCIe NVMe	4	4	1	No

Source1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: M.2 2280 PCIe4.0 SSD x2.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 20262 x M.2 2280 PCIe4.0 SSD (up to 4TB, PCIe4.0x4).4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 22 and 24: an M.2 2280 SSD goes in a slot. The OCuLink adapter card also goes in an M.2 slot.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026The second slot takes an M.2 2280 SSD or the OCuLink board.

M.2 slots

2=CalculatedFrom Storage slots and bays

2=CalculatedFrom Storage slots and bays

Free M.2 slots

1=CalculatedFrom Storage slots and bays

1=CalculatedFrom Storage slots and bays

Free drive bays

0=CalculatedFrom Storage slots and bays

0=CalculatedFrom Storage slots and bays

Fastest storage-slot PCIe generationiHighest documented PCIe generation of a storage slot. This does not identify the installed drive's generation.

4=CalculatedFrom Storage slots and bays

4=CalculatedFrom Storage slots and bays

Power supply

0 of 7 differ

PSU rated outputiPower supply's rated output, or an external adapter's output rating. Maximum system consumption, peak PSU power and wall draw are separate.

120W2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Adapter: 19 V 120 W power supply adapter with geo-specific AC cord (IEC C5).

120W3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Power: 19V/6.32A (5525mm,120W).

PSU form factoriReplacement PSU dimensions class. Electrical standards such as ATX12VO belong in psu_atx_version. A supply built into an all-in-one is proprietary unless the maker names a standard size.

External adapter2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026External adapter. DC in on the back panel.

External adapter3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026External adapter with DC input. No internal supply.

PSU efficiencyiWhen an 80 PLUS and a Cybenetics level are both published, the 80 PLUS level is stored and the Cybenetics level goes in the source note.

Not available

Not available

Modular cables

Not available

Not available

PSU model

Not available

Not available

ATX version

Not available

Not available

Native 12V-2x6 cableiThe supplied PSU has a native 12V-2x6 GPU cable. A generic 16-pin connector description alone does not establish its revision.

Not available

Not available

Ports

5 of 9 differ

User-facing I/O positioniLocation of the accessible front, top, side or bottom port panel.

Front1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026The maker's photos show the front panel with four USB-A ports, the headset jack and the power button.

Front4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 8: reset hole, 3.5mm combo jack, USB4 port, two USB3.2 Gen2 ports and the power button on the front.

User-facing portsiAccessible front, top, side and bottom ports at the stated I/O position. Counts refer to physical connectors.

AGEEKOM GT15 Max AI Mini PC

Type	Version	Count	Max stated link rate (Gbps)
USB-A	USB 3.2 Gen 2	4	10
3.5 mm audio	Stereo headset jack	1	Not available
SD card	SD 4.0	1	Not available

Source1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026The maker's interface graphic lists 4 x USB3.2 Gen2 Type-A, 1 x 3.5mm headset jack, 1 x power button and 1 x SD Card 4.0. The maker's photos show four USB-A ports, the headset jack and the power button on the front and the SD slot on the front end of a side face. The spec table lists fewer USB-A ports and one RJ45, which the photos and the UK page contradict.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Lists 3.5mm stereo headset jack (front panel), one front USB 3.2 Gen 2 Type-A and SD Card 4.0. The list is shorter than the UK table.3Maker product pagegeekom.co.uk/geekom-gt15-max-mini-pcRead 16 October 2026UK specification table: 4 x Front USB 3.2 Gen2 Type-A (one port supports S5 power delivery), 1 x Front 3.5mm stereo headset jack, 1 x SD Card 4.0.

BMINISFORUM UM890 Pro

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)
USB-A	USB 3.2 Gen 2	2	10	Not available	Not available
USB-C	USB4	1	40	USB4	15
3.5 mm audio	Headphone and microphone combo	1	Not available	Not available	Not available

Source3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Ports and Buttons: USB3.2 Gen2 x4, USB4 x2 (Alt PD in 65-100W and PD Out 15W), 3.5mm audio jack. The front and rear split comes from the manual and Liliputing.4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 8 and 11: front USB4 supports 40Gbps data, Alt DP video and PD charging up to 15W. The 3.5mm combo jack carries headphones or a microphone.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Front list from left to right: reset pin-hole, 3.5mm headphone jack, USB4 40 Gbit/s, two USB-A 3.2 Gen 2x1 10 Gbit/s, power button.

Rear portsiPhysical rear connectors, including motherboard and discrete-GPU outputs. Source notes identify disabled onboard video ports and any incomplete GPU output evidence. A video input, such as HDMI in on an all-in-one, is Other. AC power input is a mains inlet, such as C14, for a built-in power supply. DC in is for an external adapter.

AGEEKOM GT15 Max AI Mini PC

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)	DP Alt Mode	Connected to
USB-C	USB4 with DisplayPort Alt Mode and Power Delivery input	1	40	USB4	15	Yes	Motherboard
USB-C	USB4 with DisplayPort Alt Mode	1	40	USB4	15	Yes	Motherboard
USB-A	USB 3.2 Gen 2	1	10	Not available	Not available	Not available	Motherboard
USB-A	USB 2.0	1	0.48	Not available	Not available	Not available	Motherboard
HDMI	2.0	2	Not available	Not available	Not available	Not available	Motherboard
Ethernet (RJ45)	2.5 Gigabit Ethernet	2	2.5	Not available	Not available	Not available	Motherboard
DC in	19 V input for the supplied 120 W adapter	1	Not available	Not available	Not available	Not available	Motherboard

Source1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026The interface graphic and photos: 2 x USB4 Type-C (DP Alt mode, one with PD in), 2 x RJ45 2.5 Gbps, 1 x USB 3.2 Gen 2 Type-A, 1 x USB 2.0 Type-A, 2 x HDMI 2.0 and 1 x DC in. USB4 PD is up to 15W (5V 3A). The headline and one bullet mention a Mini DisplayPort 1.4, which no photo or table shows, so it is not stored.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Lists 2 x USB4 (one supports PD, back panel), 2 x HDMI (back panel), DC in (back panel) and a USB 2.0 Type-A (back panel).3Maker product pagegeekom.co.uk/geekom-gt15-max-mini-pcRead 16 October 2026UK table: 1 x Rear USB 3.2 Gen2 Type-A, 1 x Rear USB 2.0 Type-A, 2 x Rear USB 4.0 (one port supports PD in), 2 x Rear 2.5G RJ45, 2 x Rear HDMI 2.0, 1 x Rear DC in. The page also says 8 USB ports including 2 USB4.

BMINISFORUM UM890 Pro

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)	DP Alt Mode	Connected to
USB-A	USB 3.2 Gen 2	2	10	Not available	Not available	Not available	Motherboard
USB-C	USB4	1	40	USB4	15	Yes	Motherboard
HDMI	2.1 FRL	1	Not available	Not available	Not available	Not available	Motherboard
DisplayPort	1.4	1	Not available	Not available	Not available	Not available	Motherboard
OCuLink	PCIe 4.0 x4 via the included M.2 to OCuLink adapter card	1	Not available	Not available	Not available	Not available	Motherboard
Ethernet (RJ45)	2.5 Gigabit Ethernet	2	2.5	Not available	Not available	Not available	Motherboard
DC in	19 V barrel input for the supplied 120 W adapter	1	Not available	Not available	Not available	Not available	Motherboard

Source3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Ports and Buttons: RJ45 2.5G Ethernet x2, OCuLink x1 (via M.2 to OCuLink adapter board), HDMI 2.1 FRL x1, DP 1.4 x1, USB3.2 Gen2 x4, USB4 x2. The maker's video row gives DP up to 4K at 120Hz and HDMI up to 8K at 60Hz. The USB4 DP Alt Mode comes from the store text.4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 9: rear DisplayPort, OCuLink port, HDMI port, USB4 port, two USB3.2 Gen2 ports, two RJ-45 LAN ports and power input.6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Rear list: two USB-A 3.2 Gen 2x1, DisplayPort 1.4, USB4, OCuLink, HDMI 2.1, two 2.5 Gb Ethernet, power jack.

User-facing USB portsiPhysical USB-A and USB-C connectors on the accessible front, top, side or bottom panel.

4=CalculatedFrom User-facing ports

3=CalculatedFrom User-facing ports

User-facing USB-C portsiPhysical USB-C connectors on the accessible front, top, side or bottom panel, including Thunderbolt and USB4 sockets.

0=CalculatedFrom User-facing ports

1=CalculatedFrom User-facing ports

Rear USB ports

4=CalculatedFrom Rear ports

3=CalculatedFrom Rear ports

ThunderboltiThunderbolt documented in the rear-port table. Front-panel-only Thunderbolt is not covered by this derived field.

No=CalculatedFrom Rear ports

No=CalculatedFrom Rear ports

Ethernet speed

2.5Gbps=CalculatedFrom Rear ports

2.5Gbps=CalculatedFrom Rear ports

Discrete GPU output portsiCounts rear connectors explicitly attributed to the discrete graphics card. A partial rear-port table cannot establish the card's complete output count.

0=CalculatedFrom Rear ports

0=CalculatedFrom Rear ports

Wireless

5 of 6 differ

Wi-Fi

Wi-Fi 71Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Wi-Fi 7.

Wi-Fi 6E1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Spec table: M.2 2230 WIFI Support (Wi-Fi 6E, BlueTooth 5.3). The maker's spec sheet says Bluetooth 5.2, see bluetooth_version.3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Wi-Fi 6E.

Wi-Fi bandsiBands explicitly supported by the installed radio and product region. Do not infer 6GHz use solely from a Wi-Fi version.

Not available

Not available

Wi-Fi module

Intel M.2 Wi-Fi 7 module1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Intel M.2 Wi-Fi 7 per the spec table. The module model is not named.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Wireless LAN: Intel M.2 Wi-Fi 7, Bluetooth 5.4.3Maker product pagegeekom.co.uk/geekom-gt15-max-mini-pcRead 16 October 2026Intel M.2 Wi-Fi 7, Bluetooth 5.4.

MediaTek MT7922 (AMD RZ616)6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026MediaTek 7922 card in an M.2 2230 slot. ServeTheHome names it RZ616, the AMD-branded MT7922.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026RZ616 WiFi solution.

Wi-Fi antenna

Not available

Internal6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026The WiFi antennas are attached to the plastic tray under the top cover.

Bluetooth

5.41Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Bluetooth 5.4.

5.23Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Wireless row: Wi-Fi 6E, BlueTooth 5.2. The store table says 5.3. Retailer titles and the MediaTek and AMD announcement of the RZ600 modules say 5.2. The maker's datasheet is preferred.

Ethernet controller

Intel 10/100/1000/2500 Mbps controller2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Ethernet: Intel 10/100/1000/2500 Mbps RJ45. The table counts one RJ45 but the maker's marketing, photos and the UK table say two.3Maker product pagegeekom.co.uk/geekom-gt15-max-mini-pcRead 16 October 202610/100/1000/2500 Mbps RJ45 x 2.

Realtek RTL81256Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Two 2.5 Gb Ethernet ports (RTL8125).

Camera and audio

None of 5 known

WebcamiPublished built-in camera description and resolution. Keep sensor megapixels, video resolution and named camera features distinct in the source note. External bundled cameras do not qualify.

Not available

Not available

Built-in speaker driversiPhysical built-in acoustic drivers, including separate tweeters and woofers. Audio channels, system beepers and external bundled speakers do not count. Do not infer driver count from speaker assemblies.

Not available

Not available

Total speaker poweriManufacturer stated combined output of the built-in speakers. Preserve power basis in source notes. PSU ratings and external speaker output do not qualify.

Not available

Not available

MicrophonesiPhysical built-in microphones. Beamforming channels and microphone modes do not count.

Not available

Not available

Audio featuresiPublished built-in audio capabilities and their required software or accessories. Do not infer hardware from an audio brand name.

Not available

Not available

Lighting

None of 4 known

RGB lighting

Not available

Not available

Lit parts

Not available

Not available

Lighting standardiNamed physical RGB control or connector standard. ARGB lighting alone does not prove a 5V header or a standard connector.

Not available

Not available

Lighting software

Not available

Not available

Software

0 of 3 differ

Operating system

Windows 11 Pro1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Windows 11 Pro comes pre-installed.2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Microsoft Windows 11 Pro 24H2 (64-bit), supports Modern Standby.5Retailer pageamazon.com/dp/B0FMFCMJZLRead 16 October 2026Operating System: Windows 11 Pro.

Windows 11 Pro6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Review unit came with Windows 11 Pro version 23H2.7Reviewservethehome.com/minisforum-um890-pro-review-re-architected-amd-ryzen-8945hs-mini-pc/2Read 16 October 2026Pre-built models come with Windows 11 Pro.

OS family

Windows1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Windows 11 Pro.

Windows3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026System: Windows 11.

Control software

Not available

Not available

Upgradeability

None of 4 known

Proprietary partsiParts or interfaces the maker or teardown identifies as requiring nonstandard replacements. Do not infer from a brand label alone.

Not available

Not available

Max graphics card length

Not available

Not available

Max CPU cooler height

Not available

Not available

Warranty kept after upgradeiWhether the maker keeps the warranty after a user upgrade under the stated terms and market. Damage exclusions alone do not mean all warranty is void.

Not available

Not available

Measured performance

6 of 8 differ

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

Not available

108points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Cinebench 2024 CPU single core 108. Windows, factory default UEFI Balance Mode (PL1 60 W, PL2 65 W) and Windows High performance power mode.

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

Not available

983points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Cinebench 2024 CPU multi core 983. Same default profile.

Geekbench single-coreiMeasured by a reviewer, not claimed by the maker

Not available

2,712points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Geekbench 6.2.1 single-core 2712. Same default profile.

Geekbench multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

13,543points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Geekbench 6.2.1 multi-core 13543. Same default profile.

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker

Not available

3,024points6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 20263DMark Time Spy graphics score 3024 on the Radeon 780M, overall 3395. Same default profile.

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

Not available

Not available

SSD sequential read (measured)iReviewer's sequential read test. A file-copy rate or maker's SSD rating is not a sequential read measurement. Test method belongs in the source note.

Not available

4,800MB/s6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026CrystalDiskMark sequential read on the internal Kingston drive, published as around 4800 MB/s. Write was around 3900 MB/s.

Game frame ratesiReviewer measurements for this CPU, GPU, memory, storage and cooling configuration. Resolution, preset, ray tracing, upscaling and frame generation conditions belong in rows or source notes.

Not available

Not available

Measured noise and temperature

2 of 6 differ

Fan noise per loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Highest measured fan noiseiHighest measured row in fan_noise_measured, not a theoretical maximum. Compare only at the same distance and test conditions.

Not available

Not available

Measured fan noise at idleiHighest documented idle row in fan_noise_measured. Distance and ambient noise floor belong in the source note.

Not available

Not available

CPU temperature in stress testiCPU temperature measured during the named sustained load. Source notes distinguish gaming loops from synthetic CPU or combined stress tests.

Not available

79°C6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026All-core stress test for 20 minutes, logged by script. The CPU started at 27 C idle, reached 86 C at the start, then settled at 79 C. The settled value is stored.

CPU clock in stress testiSustained all-core CPU clock under the stated test. A P-core-only average is not a whole-CPU all-core clock.

Not available

3.709GHz6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Same 20-minute all-core stress test. The average frequency was 3729 MHz at the start and 3709 MHz for the duration.

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

Not available

Not available

Measured power

3 of 6 differ

Power draw idleiMeasured system power at the wall at idle. Certification or maker claims are not reviewer measurements.

Not available

9.5W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Idle 9.5 W on Windows, measured at the wall with a power meter on a UPS outlet.

Power draw gamingiMeasured system power at the wall during the stated game and settings.

Not available

Not available

Power draw maxiMeasured power at the wall during combined CPU and GPU stress. A PSU rating or game-only load is not this value.

Not available

95.7W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Windows Cinebench plus FurMark together: max 95.7 W, average 91.3 W, at the wall.

Power draw sleep or offiMeasured power at the wall with the stated sleep or off mode. These modes must be identified in the source note.

Not available

1.2W6Reviewliliputing.com/minisforum-um890-pro-review-a-versatile-high-performance-and-nearly-silent-mini-pcRead 16 October 2026Powered off (shutdown) 0.8 to 1.2 W on Windows. The highest reading is stored.

Sustained CPU power (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

GPU power while gaming (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Certifications

1 of 5 differ

ENERGY STARiExplicit certification status for the model or defined configuration scope. Absence from a search result is not proof of false.

Not available

Not available

EPEATiPublished registration level. Missing registration evidence is not proof of none.

Not available

Not available

Copilot+ PC

Not available

Not available

Typical annual energy consumption (TEC)iStandardized TEC from the named ENERGY STAR or EU product-information record. It is not a prediction of an individual user's annual energy use.

Not available

Not available

Other certifications

CE, FCC, CB, CCC, ErP, RoHS2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Certification: CE, FCC, CB, CCC, ErP, RoHS.

Not available

In the box

1 of 2 differ

In the boxiItems supplied with this exact configuration. Optional accessories and configurator add-ons are not guaranteed included.

Mini PC, Power adapter, HDMI cable, VESA mount, User guide5Retailer pageamazon.com/dp/B0FMFCMJZLRead 16 October 2026Built-In Media: 1 x GT15 Max Mini PC, 1 x HDMI Cable, 1 x Power Adapter, 1 x User Guide, 1 x VESA Mount.

Mini PC, AC power adapter, Power cord, HDMI cable, M.2 to OCuLink adapter card, VESA mount, Mounting screw set, User manual4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Pages 5 to 7: mini PC, AC power adapter, power cord, HDMI cable, M.2 to OCuLink adapter card, mounting screw set, VESA mount and user manual. The manual says the adapter and other accessories vary by model and region.

Included extrasiExtras confirmed supplied with the exact configuration. Optional bundles are excluded.

VESA bracket1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Accessory: VESA Mount. The UK table calls it an option, Amazon lists it in the box.5Retailer pageamazon.com/dp/B0FMFCMJZLRead 16 October 2026VESA mount in the box.

VESA bracket4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026Page 7: VESA mount with the mounting screw set.

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.

3years1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 20263-Year Warranty on the US page.

2years1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 20262-Year Seller Warranty on the US store. The maker's warranty policy page lists 2 years for a mini PC and says the term varies by region. Its global page header says 3 years.

Warranty service

Not available

Not available

Links

Not compared

Product page

www.geekompc.com/geekom-gt15-max-mini-pc1Maker product pagegeekompc.com/geekom-gt15-max-mini-pcRead 16 October 2026Maker US store page. The page shows add to cart. Options are U9-285H 32 GB RAM + 1 TB SSD and U9-285H 32 GB RAM + 2 TB SSD. This file describes the 32 GB and 1 TB option. The page text is partly copied from the maker's GT2 Mega page, so conflicting lines are checked against the photos, the UK page and the support page.

store.minisforum.com/products/minisforum-um890pro-mini-pc1Maker product pagestore.minisforum.com/products/minisforum-um890pro-mini-pcRead 16 October 2026Maker US store page. Four US configurations are listed and the page shows add to cart.

Spec sheet

service.geekompc.com/gt15-max2Maker product pageservice.geekompc.com/gt15-maxRead 16 October 2026Support page Specifications tab, read through the page's public tab loader. No standalone spec sheet PDF and no user manual are published. The User Manual tab says no data available.

pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpeg3Maker spec sheet (PDF)pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/spec/UM890+Pro.jpegRead 16 October 2026Image of the UM890 Pro spec table on the maker's support page (minisforum.com/pages/product-info?pid=um890pro).

Manual

Not available

pc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdf4Owner's manualpc-file.s3.us-west-1.amazonaws.com/UM880PRO_UM890PRO/user+mannul/UM880-890_Pro-HPBSD-V1.0-20240313.pdfRead 16 October 2026UM880 Pro and UM890 Pro manual, version V1.0 of 13 March 2024, 37 pages. The pages are images, so no text layer exists.

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 desktop PCs.