Radeon HD 7770M vs Radeon R9 M395

If you are going to buy a new graphics card and are choosing between Radeon HD 7770M and Radeon R9 M395, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7770M stacks up against Radeon R9 M395, check out specs charts below.

Radeon HD 7770M and Radeon R9 M395 are Laptop Graphics Cards

Note: Radeon HD 7770M and Radeon R9 M395 are only used in laptop graphics. They have 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 HD 7770M or Radeon R9 M395 here:

Main Specs

  Radeon HD 7770M Radeon R9 M395
Power consumption (TDP) 32 Watt
Interface PCIe 2.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs
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  • Radeon R9 M395 has 3 GB more memory, than Radeon HD 7770M.
  • Both cards are used in Laptops.
  • Radeon HD 7770M and Radeon R9 M395 are build with GCN architecture.
  • Core clock speed of Radeon R9 M395 is 159 MHz higher, than Radeon HD 7770M.
  • Radeon HD 7770M and Radeon R9 M395 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770M is 2750 MHz higher, than Radeon R9 M395.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 10−12 40−45
The average gaming FPS of Radeon R9 M395 in Assassin's Creed Odyssey is 241% more, than Radeon HD 7770M.

Full Specs

  Radeon HD 7770M Radeon R9 M395
Architecture GCN GCN
Code name Chelsea XT
Type Laptop Laptop
Release date 24 April 2012 9 June 2015
Pipelines 512 1792
Core clock speed 675 MHz 834 MHz
Transistor count 1,500 million 5000 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 21.60
Floating-point performance 691.2 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 1250 MHz
Memory bandwidth 64 GB/s
Shared memory - -
DirectX 12 (11_1)
Shader Model 5.1
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.2.131 +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 336 Mh/s
Laptop size medium sized large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
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