Radeon HD 7770 vs Radeon R9 M275

In this comparison between Radeon HD 7770 and Radeon R9 M275 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7770 will be the best choice, for others Radeon R9 M275 will be their preference. Study the comparison tables below and make your choice.

Radeon R9 M275 is a Laptop Graphics Card

Note: Radeon R9 M275 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 M275 here:

Main Specs

  Radeon HD 7770 Radeon R9 M275
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs
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  • Radeon R9 M275 has 2 GB more memory, than Radeon HD 7770.
  • Radeon HD 7770 is used in Desktops, and Radeon R9 M275 - in Laptops.
  • Radeon HD 7770 and Radeon R9 M275 are build with GCN architecture.
  • Core clock speed of Radeon HD 7770 is 75 MHz higher, than Radeon R9 M275.
  • Radeon HD 7770 and Radeon R9 M275 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770 and Radeon R9 M275 is 4500 MHz.

Game benchmarks

high / 1080p 10−11 0−1
ultra / 1080p 6−7
QHD / 1440p 1−2 0−1
low / 720p 24−27 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 137% more, than Radeon R9 M275.

Full Specs

  Radeon HD 7770 Radeon R9 M275
Architecture GCN GCN
Code name Cape Verde Venus
Type Desktop Laptop
Release date 15 February 2012 1 August 2014
Pipelines 640 640
Core clock speed 1000 MHz 925 MHz
Boost Clock 925 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 37.00
Floating-point performance 1,184 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 4500 MHz 4500 MHz
Memory bandwidth 64 GB/s
Shared memory - -
DirectX DirectX 11.1, Shader 5.1 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 156 Mh/s 122 Mh/s
Laptop size large
Eyefinity +
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