Desktop PCs / Compare

GEEKOM GT15 Max AI Mini PC vs GMKtec NucBox M6 Ultra

A

Product A: GEEKOM

GT15 Max AI Mini PC

69 of 160 known

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B

Product B: GMKtec

NucBox M6 Ultra

71 of 160 known

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Only differences

AGEEKOM GT15 Max AI Mini PC

BGMKtec NucBox M6 Ultra

General

3 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.

M Series1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The maker's menu groups the NucBox M6 Ultra under M Series.

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.

M6 ULTRA-0-44S, M6 ULTRA-0-44U, M6 ULTRA-0-44K, M6 ULTRA-0-44A1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Store product data lists SKUs M6 ULTRA-0-44S, -44U, -44K and -44A for the 32GB RAM + 1TB SSD configuration, one per power plug option US, EU, UK and AU. The barebone (-00x) and 16GB + 512GB (-33x) configurations have other SKUs and are not listed. The reference configuration of this product is 32GB RAM + 1TB SSD, the one TechRadar and Wccftech reviewed.

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

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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 pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The US store lists the M6 Ultra at $269.99 for the barebone and $679.99 for 32GB + 1TB. Current availability is not launch-date proof.

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

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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.

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

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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

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

Not available

US, EU, GB, AU1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The store variants name US, EU, UK and AU power plugs. This shows the plug options sold. Other countries are not listed.

ColoursiThe maker's own colour names

Not available

Bronze1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Spec table row Color: Bronze, stored verbatim. The maker's own product photos show a dark grey or black body with a green power button, and TechRadar's shop widget calls one listing Black, so the spec-table colour name may not match the photos.

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 PC1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026The maker sells the M6 Ultra as a mini PC. Stored as mini_pc, not as a use case.

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 PC1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Maker category is 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.

Width128.8Height47.8Depth127mm(5.1 × 1.9 × 5 in)1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Chassis Dimensions row: 128.8 x 127 x 47.8 mm. The page does not label the axes. Stored as width 128.8, depth 127 and height 47.8, with the 47.8 mm being the thickness. The manual repeats the same three numbers.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications, page 7: SIZE 128.8*127*47.8mm.

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

0.528kg(1.2 lb)1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Weight row: 528 g. The page does not say which configuration. TechRadar says 528 g is the barebones unit, so a unit with RAM and SSD weighs a little more.

Case model

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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

Plastic7Spec databasestarryhope.com/minipcs/models/gmktec-m6-ultraRead 14 October 2026Page says all-plastic chassis and cites Notebookcheck calling the build quality flawless despite the low-cost materials. minipc-review.com also says mostly plastic. No source names metal parts.

Side panel

Not available

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Front panel

Not available

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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

Yes2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Disassembly Method, page 24: lift the top cover from the edges and release the snaps, no tool. The four corner screws of the fan bracket underneath then need a screwdriver to reach the RAM and SSD.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Pulling off the top plate gives access to the upper fan, which is held by four screws.

Dust filters

Not available

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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

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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

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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

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

Not available

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

Not available

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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.

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Motherboard

1 of 9 differ

Motherboard

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Chipset

Not available

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

Not available

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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.

FP7r23Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026Socket row lists FP7, FP7r2 and FP8. The page ties DDR5 SO-DIMM memory to FP7r2, and the M6 Ultra uses DDR5 SO-DIMM, so FP7r2 is stored.

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.

BGMKtec NucBox M6 Ultra

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

Source2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Installing a Wireless Network Card, page 26: the Wi-Fi card is a push-and-screw M.2 card with an antenna lead. Stored as one occupied M.2 E-key slot. Electrical lanes and generation are not stated.

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

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Processor

15 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 5 7640HS1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU Model row: AMD Ryzen 5 7640HS.

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

AMD3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 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.

Phoenix3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026Former Codename: Phoenix.

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).

BGMKtec NucBox M6 Ultra

Core type	Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
Performance	6	Zen 4	4.3	5

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: 6 cores, 12 threads, base frequency 4.3GHz, max boost up to 5.0GHz, Zen 4 architecture. All six are one core type, stored as performance.3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 20266 cores, 12 threads, Zen 4, base 4.3 GHz, boost up to 5 GHz.

CPU cores

16=CalculatedFrom Core configuration

6=CalculatedFrom Core configuration

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

6=CalculatedFrom Core configuration

6=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.

121Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: 6 cores, 12 threads.

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

5GHz=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.

16MB1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: 6MB L2 Cache, 16MB L3 Cache.

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.

4nm1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026CPU row: TSMC 4nm FinFET process.3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026Processor Technology for CPU Cores: TSMC 4nm FinFET. cpu_base_power_w is not stored because AMD lists Default TDP and cTDP as the range 35-54W.

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.

Not available

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

50W1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Feature list: 3 Power Modes 35W + 45W + 50W. TechRadar says the modes are 35W silent, 45W balanced and 50W performance. Stored the highest, 50 W. The maker does not name it PPT or PL2. Starry Hope and minipc-review.com also say 50 W. Wccftech reports a 65W profile, which no maker document states.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Three performance modes 35W, 45W and 50W. Benchmarks were run in the 50W mode.

Unlocked multiplier

Not available

No3Maker product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 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.

10TOPS5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Review of the M6 Ultra says the APU has a first-generation NPU with 10 TOPs. The precision is not stated. AMD's processor page does not list NPU throughput.

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 760M1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026GPU row: AMD Radeon 760M Graphics, 8 cores, up to 2600MHz, RDNA 3.

Cooling

2 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.

Air1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Feature list: Copper Cooling Fan & Multiple Exhaust Vents. The manual BIOS chapter names one CPU fan and one system fan. Stored as an air cooler.

CPU cooler model

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

Not available

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.

BGMKtec NucBox M6 Ultra

Position	Fan rotors
Top	1

Source2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Fan Speed chapter, page 20: the BIOS adjusts the speeds of one CPU fan and one system fan. The CPU fan belongs to the CPU cooler and is excluded. Wccftech says the system fan sits under the top cover on the RAM and SSD side. TechRadar calls it the upper fan. Fan size, RGB and PWM are not stated for the system fan.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026The top plate hides the upper fan, which is relatively small.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Teardown description: one fan under the top cover cools memory and SSD. A larger fan on the other side cools the CPU.

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

1=CalculatedFrom Case fans

1=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.

No1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026GPU row lists only the integrated Radeon 760M and the graphics output ports are on the board.

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

3 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 pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: 16GB / 32GB configurations. The 32GB option matches the 1TB SSD configuration of the reference SKUs, as reviewed by TechRadar and Wccftech.

RAM type

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

DDR51Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: DDR5 SO-DIMM.

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 pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Feature list says Dual DDR5 4800MT/s x2. The manual spec table also says 4800MT/s. Stored as configured speed because both maker documents give 4800 and the CPU runs DDR5 at that rate in the reviews.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026SO-DIMM DDR5 4800MT/s.

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 pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: 2 x SO-DIMM slots, so the modules are not soldered. The manual has an Installing Memory Modules section.

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.

BGMKtec NucBox M6 Ultra

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

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: 2 x SO-DIMM slots. The 32GB configuration is two 16GB modules (Wccftech and TechRadar), so both slots are occupied.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Installing Memory Modules, page 25: two SO-DIMM slots.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Review sample: 32GB pre-installed in two SO-DIMM DDR5 4800MT/s slots, upgradeable to 128GB.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Review unit: DDR5-4800 32 GB (16 GB x2) SO-DIMM, dual channel.

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.

128GB1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Memory row: supports up to 128GB.

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 product pageamd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640hs.htmlRead 14 October 2026ECC Support: No.

Storage

3 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.

BGMKtec NucBox M6 Ultra

Capacity (GB)	Type	PCIe generation
1,000	NVMe SSD	3

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Storage (ROM) row: PCIe 3.0 M.2 2280 SSD, 512GB / 1TB options. The reference configuration has the 1TB option. The decimal 1TB is stored as 1000 GB. The drive model is not stated by the maker.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications, page 7: Storage 2*M.2 2280 PCIE3.0 SSD 512GB/1TB. The manual wins over the product page row that says PCIe 4.0 x4. Wccftech measured a Gen3 x4 drive and TechRadar's CrystalDiskMark read of 3555.7 MB/s is a Gen3 figure, although TechRadar calls the drive PCIe 4.0.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026The review unit had a 1 TB PCIe Gen 3.0 x4 M.2 drive.

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).

BGMKtec NucBox M6 Ultra

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	3	4	1	Yes
M.2 2280	PCIe NVMe	3	4	1	No

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Storage Expansion row: 2 x M.2 2280 SSD slots, up to 8TB per slot. The row says PCIe 4.0 x4, but the feature list and the manual say PCIe 3.0, and Wccftech measured Gen3 x4. Stored as Gen 3 x4. See the manual note.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications, page 7: 2*M.2 2280 PCIE3.0. The Installing M.2 SSDs section says the exact number depends on the device purchased. The 1TB reference unit has 2 slots with one used, per Wccftech and Lon.TV.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Two M.2 2280 slots, one used by the reviewed 1TB SSD. TechRadar writes PCIe 4.0 for the SSD. That is not used, because the manual says PCIe 3.0 and Wccftech tested a Gen3 x4 drive.5Reviewwccftech.com/review/gmktec-m6-ultra-amd-ryzen-5-7640hs-mini-pc-review-mainstream-coverage-under-400Read 14 October 2026Two M.2 2280 slots, 2 x Gen3 x4, up to 8 TB each. One is populated by the 1 TB SSD.

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

3=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).

120W1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Power row: DC power adapter 19V / 6.32A, 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 adapter2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Back View, page 6: the adapter is an external +19V DC 6.32A, 120.08W unit with a DC IN port.

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

6 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.

Front2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Front View, pages 3 and 4: USB 3.2 Gen2, USB4, 3.5mm CTIA audio, reset button and power button.

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.

BGMKtec NucBox M6 Ultra

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4
USB-C	USB4	1	40	USB4
USB-A	USB 3.2 Gen 2	2	10	Not available
3.5 mm audio	CTIA combo jack	1	Not available	Not available

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026External Ports row and feature text: front USB4 (40 Gbps, PD input up to 100 W, DP video output), two of the three USB 3.2 Gen2 ports, 3.5mm CTIA audio jack. The front/rear split of the USB-A ports comes from the manual front view and the TechRadar and Wccftech reviews. The maker says the USB4 port takes PD input, so no power output is stored. The reset button and the power button are not ports.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Front View: USB 3.2 (Gen2) 10 Gbps, USB4 with 40 Gbps data, PD power input up to 100 W and DP output up to 4K@60Hz, 3.5mm CTIA audio.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Design section: USB4 port, two USB 3.2 Gen 2 ports and a 3.5mm headphone jack on the front, with the reset jack and power switch.

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.

BGMKtec NucBox M6 Ultra

Type	Version	Count	Max stated link rate (Gbps)	Connected to
USB-A	USB 3.2 Gen 2	1	10	Motherboard
USB-A	USB 2.0	1	0.48	Motherboard
HDMI	2.0	1	Not available	Motherboard
DisplayPort	1.4	1	Not available	Motherboard
Ethernet (RJ45)	2.5 Gigabit Ethernet	2	2.5	Motherboard
DC in	19 V, 6.32 A	1	Not available	Motherboard

Source1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026External Ports row: 1 x USB 3.2 Gen2 and 1 x USB 2.0 on the rear, HDMI 2.0 (up to 4K@60Hz), DisplayPort 1.4 (feature list), 2 x RJ45 2.5G, DC IN (5.5/2.5 mm barrel). A security lock slot on the rear (manual, TechRadar) is not stored.2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Back View, pages 5 and 6: USB 2.0 (480 Mbps), USB 3.2 (Gen2) 10 Gbps, DP up to 8K@60Hz, HDMI up to 4K@60Hz, RJ45 LAN, DC IN, computer lock.4Reviewtechradar.com/computing/gmktec-nucbox-m6-ultra-mini-pc-reviewRead 14 October 2026Design section: security lock, a USB 2.0, a USB 3.2 Gen 2, DisplayPort, HDMI 2.0, Ethernet 2.5Gbps and the power-in socket.

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

2=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

Not available

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

4 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 pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Network row: Wi-Fi 6E (up to 2.4Gbps).2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026Technical specifications: Wi-Fi 6E 802.11 a/b/g/n/ac/ax.

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 RZ6167Spec databasestarryhope.com/minipcs/models/gmktec-m6-ultraRead 14 October 2026Page says Wi-Fi 6E comes from a MediaTek RZ616 card with Bluetooth 5.2. No teardown photo of the card was found. RZ616 is AMD's name for the MediaTek MT7922.

Wi-Fi antenna

Not available

Not available

Bluetooth

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

5.21Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Network row: Bluetooth 5.2.

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.

Not available

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 Pro1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Operating System row: Windows 11 Pro. The barebone configuration ships without an OS.

OS family

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

Windows1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Windows 11 Pro.

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

None of 8 known

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

None of 6 known

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

Not available

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

Not available

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

Not available

Not available

Measured power

None of 6 known

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

Not available

Not available

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

Not available

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

Not available

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.

CCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Certifications row, verbatim: CCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report.

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.

User Manual, Warranty Card, Power Adapter, HDMI Cable, VESA Mount Bracket1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Packaging List row, verbatim: User Manual, Warranty Card, Power Adapter, HDMI Cable, VESA Mount Bracket. The barebone is the same box without RAM, SSD and OS.

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 bracket1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026VESA Mount Bracket is in the packaging list. No keyboard or mouse.

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.

1year1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026Spec table row Warranty: 1-Year Limited Warranty. US store banner also says 1-Year Warranty. A Singapore retailer advertises 3 years, which is a local warranty and is not stored.

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.

www.gmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultra1Maker product pagegmktec.com/products/amd-ryzen-5-7640hs-mini-pc-nucbox-m6-ultraRead 14 October 2026

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.

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Manual

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www.gmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdf2Owner's manualgmktec.com/cdn/shop/files/GMKtec_NUCBOX_M6_Ultra_USER_MANUAL_0630.pdfRead 14 October 2026GMKtec NUCBOX M6 Ultra USER MANUAL 0630, 32 pages, English.

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.

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Both are also in the API. Back to all desktop PCs.