Radeon R9 M395 Mac Edition vs HD 6970M Mac Edition

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)GCN 2.0 (2013−2017)
GPU code nameBlackcombGrenada
Market segmentLaptopLaptop
Release date25 August 2011 (13 years ago)5 May 2015 (9 years ago)

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 cores9601792
Core clock speed680 MHz834 MHz
Number of transistors1,700 million6,200 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)75 Watt250 Watt
Texture fill rate32.6493.41
Floating-point processing power1.306 TFLOPS2.989 TFLOPS
ROPs3232
TMUs48112

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).

InterfaceMXM-B (3.0)MXM-B (3.0)
Supplementary power connectorsNoneNone

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 typeGDDR5GDDR5
Maximum RAM amount2 GB4 GB
Memory bus width256 Bit256 Bit
Memory clock speed900 MHz1365 MHz
Memory bandwidth115.2 GB/s174.7 GB/s

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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.3
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 25 August 2011 5 May 2015
Maximum RAM amount 2 GB 4 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 75 Watt 250 Watt

HD 6970M Mac Edition has 233.3% lower power consumption.

R9 M395 Mac Edition, on the other hand, has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6970M Mac Edition and Radeon R9 M395 Mac Edition. We've got no test results to judge.


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 HD 6970M Mac Edition
Radeon HD 6970M Mac Edition
AMD Radeon R9 M395 Mac Edition
Radeon R9 M395 Mac Edition

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Community ratings

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3.8 6 votes

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3.6 7 votes

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