Radeon HD 7970 vs Radeon R9 M395X

When comparing Radeon HD 7970 and Radeon R9 M395X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 7970 and Radeon R9 M395X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R9 M395X is a Laptop Graphics Card

Note: Radeon R9 M395X is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R9 M395X here:

Main Specs

  Radeon HD 7970 Radeon R9 M395X
Power consumption (TDP) 300 Watt 250 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 7970 has 20% more power consumption, than Radeon R9 M395X.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M395X has 1 GB more memory, than Radeon HD 7970.
  • Radeon HD 7970 is used in Desktops, and Radeon R9 M395X - in Laptops.
  • Radeon HD 7970 is build with GCN architecture, and Radeon R9 M395X - with GCN 3.
  • Radeon HD 7970 and Radeon R9 M395X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7970 is 125 MHz higher, than Radeon R9 M395X.

Game benchmarks

high / 1080p 35−40 24−27
ultra / 1080p 21−24 14−16
QHD / 1440p 16−18 9−10
4K / 2160p 10−11 6−7
low / 720p 60−65 45−50
medium / 1080p 40−45 30−35
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 45% more, than Radeon R9 M395X.

Full Specs

  Radeon HD 7970 Radeon R9 M395X
Architecture GCN GCN 3
Code name Tahiti XT Amethyst XT
Type Desktop Laptop
Release date 22 December 2011 16 October 2014
Pipelines 2048 2048
Core clock speed 723 MHz
Boost Clock 925 MHz
Transistor count 4,313 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 118.4 92.54
Floating-point performance 3,789 gflops 2,961 gflops
Length 274 mm
Memory bus width 384 Bit 256 Bit
Memory clock speed 1375 MHz 1250 MHz
Memory bandwidth 264 GB/s 160.0 GB/s
Shared memory - -
Shader Model 5.1 6.3
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
FreeSync + +
Bus support PCIe 2.1 x16 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 485 Mh/s 413 Mh/s
Laptop size large
Eyefinity + +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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