Radeon R9 M395X Mac Edition vs RX Vega 56

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking152not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation21.90no data
Power efficiency11.23no data
ArchitectureGCN 5.0 (2017−2020)GCN 3.0 (2014−2019)
GPU code nameVega 10Amethyst
Market segmentDesktopLaptop
Release date14 August 2017 (7 years ago)5 May 2015 (9 years ago)
Launch price (MSRP)$399 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores35842048
Core clock speed1156 MHz909 MHz
Boost clock speed1471 MHzno data
Number of transistors12,500 million5,000 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)210 Watt250 Watt
Texture fill rate329.5116.4
Floating-point processing power10.54 TFLOPS3.723 TFLOPS
ROPs6432
TMUs224128

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16MXM-B (3.0)
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeHBM2GDDR5
Maximum RAM amount8 GB4 GB
Memory bus width2048 Bit256 Bit
Memory clock speed800 MHz1365 MHz
Memory bandwidth409.6 GB/s174.7 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)12 (12_0)
Shader Model6.46.3
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.1.1251.2.131

Pros & cons summary


Recency 14 August 2017 5 May 2015
Maximum RAM amount 8 GB 4 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 210 Watt 250 Watt

RX Vega 56 has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 19% lower power consumption.

We couldn't decide between Radeon RX Vega 56 and Radeon R9 M395X Mac Edition. We've got no test results to judge.

Be aware that Radeon RX Vega 56 is a desktop card while Radeon R9 M395X Mac Edition is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon RX Vega 56
Radeon RX Vega 56
AMD Radeon R9 M395X Mac Edition
Radeon R9 M395X Mac Edition

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Community ratings

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4.3 790 votes

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Questions & comments

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