GMKtec/Mini PCs

GMKtec M6 Ultra AMD Ryzen 5 7640HS Mini PC · 16GB RAM+512GB SSD / US

Name: GMKtec M6 Ultra AMD Ryzen 5 7640HS Mini PC · 16GB RAM+512GB SSD / US
Brand: GMKtec

US · GMKTEC-SKU-EC4B50142FE3294E8235

Fixed configuration · Store catalog reference

Catalog referenceGMKTEC-SKU-EC4B50142FE3294E8235

Before you buy +

The GMKTEC reference identifies an exact store configuration and is not a manufacturer part number. The official merchant SKU is retained in identity evidence. Select the complete US package matching the processor, graphics, RAM, storage and operating system shown here. Some supplier pages start with barebones selected.

Specifications below preserve the published source wording. Unpublished values are unknown; they do not mean a feature is absent.

Tests and reviews

Published test results and reviewer comments are available below.

View tests and reviews ↓

The hardware

Full Specifications

Every published specification, grouped by category. Select a heading to collapse.

Performance — CPU / GPU▾

Processor	AMD Ryzen 5 7640HS Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Graphics	AMD Radeon 760M Graphics, 8 Cores, up to 2600MHz, AMD RDNA 3 Architecture Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table

Memory & Storage▾

Installed RAM	16 GB Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Total storage	512 GB Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table

Display▾

Screen technology	Not applicable
Size	Not applicable Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Resolution	Not applicable Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Refresh rate	Not applicable Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table

Battery & Power▾

Battery capacity	Unpublished Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Power supply	Built-in coin cell battery · DC Power Adapter 19V / 6.32A, 120W Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table

Connectivity▾

Ports

USB-A: 3 × USB 3.2 Gen2 (10Gbps) + 1 × USB 2.0 · USB4: 1 × USB4 full-function port · HDMI: 1 × HDMI 2.0 (up to 4K@60Hz) · DisplayPort: 1 × DisplayPort (up to 8K@60Hz) · Audio: 1 × 3.5mm CTIA Audio Jack · LAN: 2 × RJ45 2.5G Ethernet · Power: 1 × DC IN (5.5/2.5mm) · Reset: 1 × Reset Button

Source & observation

View specification source ↗

Observed 2026-09-26T22:03:58.112483+00:00

GMKtec US exact fixed variant and official specification table

Wireless & networking

Wi-Fi 6E (up to 2.4Gbps) · Bluetooth 5.2 · Dual 2.5G Ethernet LAN

Source & observation

View specification source ↗

Observed 2026-09-26T22:03:58.112483+00:00

GMKtec US exact fixed variant and official specification table

Build & Physical▾

Weight	Unpublished Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Dimensions	128.8 × 127 × 47.8 mm Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table

Software & Bundle▾

Operating system	Windows 11 Pro Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table
Included bundle	User Manual · Warranty Card · Power Adapter · HDMI Cable · VESA Mount Bracket Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 GMKtec US exact fixed variant and official specification table

Motherboard & Memory Expansion▾

Motherboard model	Unpublished Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 Unpublished: no unambiguous exact-device manufacturer specification
Total RAM slots	Unpublished Source & observation View specification source ↗ Observed 2026-09-26T22:03:58.112483+00:00 Unpublished: no unambiguous exact-device manufacturer specification

Independent testing

Benchmarks & Reviews

6 results from other configurations · 1 written review

Geekbench 6.7 Multi-Core10,642 pointsNotebookcheck · Other configurationTest detailsHide details

Speed on short tasks using several processor cores, such as compressing files and processing photos.

Higher is better

Test conditions: Review settings; named power mode not reported · Microsoft Windows 11 Pro
Test version: Geekbench 6.7
Published: 2025-09-22
Measurement date: Unpublished
Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM
Configuration match: Same component/pair in another configuration. Potential only; target realization unmeasured. Different ram_gb Unknown memory_topology Unknown thermal_mode Unknown operating_point Noncritical differences: gpu, storage_gb, region
Confidence: Moderate
Limitations: Historical evidence; current firmware not retested · Measurement date unpublished · Sample origin unpublished · Pair/component fallback; target realization unmeasured
Source location: Geekbench 6.7 / Multi-Core; reviewed-device row: GMK NucBox M6 UltraAMD Ryzen 5 7640HS

View source measurement ↗

Geekbench 6.7 Single-Core2,545 pointsNotebookcheck · Other configurationTest detailsHide details

Speed on short tasks using one processor core, such as parts of web browsing and everyday apps.

Higher is better

Test conditions: Review settings; named power mode not reported · Microsoft Windows 11 Pro
Test version: Geekbench 6.7
Published: 2025-09-22
Measurement date: Unpublished
Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM
Configuration match: Same component/pair in another configuration. Potential only; target realization unmeasured. Different ram_gb Unknown memory_topology Unknown thermal_mode Unknown operating_point Noncritical differences: gpu, storage_gb, region
Confidence: Moderate
Limitations: Historical evidence; current firmware not retested · Measurement date unpublished · Sample origin unpublished · Pair/component fallback; target realization unmeasured
Source location: Geekbench 6.7 / Single-Core; reviewed-device row: GMK NucBox M6 UltraAMD Ryzen 5 7640HS

View source measurement ↗

Cinebench R23 Multi Core12,079 pointsNotebookcheck · Other configurationTest detailsHide details

Rendering speed using all processor cores.

Higher is better

Test conditions: Review settings; named power mode not reported · Microsoft Windows 11 Pro
Test version: Cinebench R23
Published: 2025-09-22
Measurement date: Unpublished
Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM
Configuration match: Same component/pair in another configuration. Potential only; target realization unmeasured. Different ram_gb Unknown memory_topology Unknown thermal_mode Unknown operating_point Noncritical differences: gpu, storage_gb, region
Confidence: Moderate
Limitations: Historical evidence; current firmware not retested · Measurement date unpublished · Sample origin unpublished · Pair/component fallback; target realization unmeasured
Source location: Cinebench R23 / Multi Core; reviewed-device row: GMK NucBox M6 UltraAMD Ryzen 5 7640HS

View source measurement ↗

Compare tests with the same version and settings. Expand each test for the measured setup and limitations.

Results marked “Other configuration” use a different device or configuration. This configuration may perform differently.

Expand benchmarksCollapse benchmarksComparison charts, test conditions & full reviews

Benchmarks & Reviews

Published test results and reviewer comments.

6 results from other configurations1 written review

Results marked “Other configuration” come from devices with a matching processor or graphics chip. This configuration may perform differently.

Compare tests with the same version and settings.

Processor

Geekbench 6.7 Multi-Core

Higher is better

Speed on short tasks using several processor cores, such as compressing files and processing photos. Compared with 6 reviewed mini pcs in this comparison.

Middle of these 6: 12,038.5 points

Beelink SER9 Pro · 32 GB ↗12,825 points
Geekom A8, R7 8745HS · 32 GB ↗12,685 points
GMK EVO-X1 · 32 GB ↗12,640 points
Minisforum AI X1 Pro, HX 470 · 32 GB ↗11,437 points
Reviewed configuration: GMK NucBox M6 Ultra · 32 GB ↗10,642 points
GMK NucBox M7 Ultra · 32 GB ↗9,625 points
GMK NucBox K15 · 32 GB ↗8,905 points

Memory, cooling and operating system versions differ between these reviewed devices. This small set does not describe the whole market. Notebookcheck comparison ↗

Cinebench R23 Multi Core

Higher is better

Rendering speed using all processor cores. Compared with 6 reviewed mini pcs in this comparison.

Middle of these 6: 13,978.5 points

Geekom AX8 Pro · 32 GB ↗15,516 points
Geekom A8, R7 8745HS · 32 GB ↗15,506 points
HP Elite Mini 800 G9-5M9X6EA · 16 GB ↗15,012 points
GMK NucBox M7 Ultra · 32 GB ↗12,945 points
Reviewed configuration: GMK NucBox M6 Ultra · 32 GB ↗12,079 points
Geekom XT12 Pro · 32 GB ↗11,036 points
GMK NucBox K15 · 32 GB ↗9,702 points

Memory, cooling and operating system versions differ between these reviewed devices. This small set does not describe the whole market. Notebookcheck comparison ↗

Cinebench 2024 CPU Multi Core

Higher is better

Rendering speed using all processor cores. Compared with 6 reviewed mini pcs in this comparison.

Middle of these 6: 835 points

Geekom A8, R7 8745HS · 32 GB ↗884 points
Geekom IT13 Max · 24 GB ↗882 points
Geekom AX8 Pro · 32 GB ↗852 points
Minisforum MS-01 · 32 GB ↗818 points
HP Elite Mini 800 G9-5M9X6EA · 16 GB ↗799 points
GMK NucBox M7 Ultra · 32 GB ↗722 points
Reviewed configuration: GMK NucBox M6 Ultra · 32 GB ↗698 points

Memory, cooling and operating system versions differ between these reviewed devices. This small set does not describe the whole market. Notebookcheck comparison ↗

Processor test results and sources
Test	Result	Test conditions	Source
Geekbench 6.7 Multi-CoreSpeed on short tasks using several processor cores, such as compressing files and processing photos.Higher is better	10,642 pointsOther configuration	Review settings; named power mode not reported · Microsoft Windows 11 Pro Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM	Notebookcheck ↗2025-09-22
Geekbench 6.7 Single-CoreSpeed on short tasks using one processor core, such as parts of web browsing and everyday apps.Higher is better	2,545 pointsOther configuration	Review settings; named power mode not reported · Microsoft Windows 11 Pro Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM	Notebookcheck ↗2025-09-22
Cinebench R23 Multi CoreRendering speed using all processor cores.Higher is better	12,079 pointsOther configuration	Review settings; named power mode not reported · Microsoft Windows 11 Pro Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM	Notebookcheck ↗2025-09-22
Cinebench 2024 CPU Multi CoreRendering speed using all processor cores.Higher is better	698 pointsOther configuration	Review settings; named power mode not reported · Microsoft Windows 11 Pro Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM	Notebookcheck ↗2025-09-22
Cinebench 2024 CPU Single CoreRendering speed using one processor core.Higher is better	103 pointsOther configuration	Review settings; named power mode not reported · Microsoft Windows 11 Pro Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM	Notebookcheck ↗2025-09-22
Cinebench R23 Single CoreRendering speed using one processor core.Higher is better	1,716 pointsOther configuration	Review settings; named power mode not reported · Microsoft Windows 11 Pro Reviewed setup: GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM	Notebookcheck ↗2025-09-22

Read the reviews

Notebookcheck ↗2025-09-22GMK NucBox M6 Ultra · AMD Ryzen 5 7640HS · AMD Radeon 760M · 32 GB RAM

More benchmarks and reviews →

Configuration matching & limitations

Notebookcheck: Model review. Results describe the tested hardware; unspecified power modes and RAM topology do not establish an exact target test.

gaming pilot

cpu: Reviewer comments
gpu: Not measured
gaming: Not measured

performance pilot

cpu: Reviewer comments
gpu: Not measured
gaming: Not measured
sustained: Not measured

whole device

cpu: Reviewer comments
gpu: Not measured
gaming: Not measured
sustained: Not measured
noise: Not measured
battery: not applicable
display: not applicable
build: Not measured

An overall buying score is unavailable. The available measurements do not cover every aspect of the device.

Compare Configurations

Other mini pcs in the catalog. No ranking is implied.

ACEMAGIC · CMNM2A00BUS3262

GMKtec M6 Ultra AMD Ryzen 5 7640HS Mini PC · 16GB RAM+512GB SSD / US

Full Specifications

Benchmarks & Reviews

Benchmarks & Reviews

Processor

Geekbench 6.7 Multi-Core

Cinebench R23 Multi Core

Cinebench 2024 CPU Multi Core

Read the reviews

gaming pilot

performance pilot

whole device

Compare Configurations

ACEMAGIC M2A · Intel Core i7-12700H · 32GB · 1TB

ACEMAGIC K1 · AMD Ryzen Embedded R2544 · 16GB DDR4 · 512GB

ACEMAGIC K1 · AMD Ryzen 7 7730U · 16GB LPDDR4X · 512GB