Radeon HD 7770M vs Radeon R9 M375X

In this comparison between Radeon HD 7770M and Radeon R9 M375X 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 7770M will be the best choice, for others Radeon R9 M375X will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7770M is a Laptop Graphics Card

Note: Radeon HD 7770M 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 HD 7770M here:

Main Specs

  Radeon HD 7770M Radeon R9 M375X
Power consumption (TDP) 32 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon HD 7770M is connected by PCIe 2.0 x16, and Radeon R9 M375X uses PCIe 3.0 x16 interface.
  • Radeon R9 M375X has 3 GB more memory, than Radeon HD 7770M.
  • Radeon HD 7770M is used in Laptops, and Radeon R9 M375X - in Desktops.
  • Radeon HD 7770M is build with GCN architecture, and Radeon R9 M375X - with GCN 1.0.
  • Core clock speed of Radeon R9 M375X is 250 MHz higher, than Radeon HD 7770M.
  • Radeon HD 7770M and Radeon R9 M375X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770M is 2875 MHz higher, than Radeon R9 M375X.

Game benchmarks

high / 1080p 9−10 9−10
ultra / 1080p 5−6 5−6
QHD / 1440p 0−1 0−1
low / 720p 21−24 21−24
medium / 1080p 10−12 12−14
Radeon HD 7770M and Radeon R9 M375X have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 7770M Radeon R9 M375X
Architecture GCN GCN 1.0
Code name Chelsea XT Tropo
Type Laptop Desktop
Release date 24 April 2012 5 May 2015
Pipelines 512 640
Core clock speed 675 MHz 925 MHz
Boost Clock 1015 MHz
Transistor count 1,500 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 21.60 40.60
Floating-point performance 691.2 gflops 1,299 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 4000 MHz 1125 MHz
Memory bandwidth 64 GB/s 72 GB/s
Shared memory -
DirectX 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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