Radeon HD 7750M vs Radeon R9 M485X

In this comparison between Radeon HD 7750M and Radeon R9 M485X 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 7750M will be the best choice, for others Radeon R9 M485X will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7750M and Radeon R9 M485X are Laptop Graphics Cards

Note: Radeon HD 7750M and Radeon R9 M485X 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 7750M or Radeon R9 M485X here:

Main Specs

  Radeon HD 7750M Radeon R9 M485X
Power consumption (TDP) 28 Watt 250 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB MB
Display Connectors No outputs No outputs
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  • Radeon R9 M485X has 792% more power consumption, than Radeon HD 7750M.
  • Radeon HD 7750M is connected by PCIe 2.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
  • Radeon R9 M485X has 6 GB more memory, than Radeon HD 7750M.
  • Both cards are used in Laptops.
  • Radeon HD 7750M is build with GCN architecture, and Radeon R9 M485X - with GCN 3.
  • Core clock speed of Radeon R9 M485X is 148 MHz higher, than Radeon HD 7750M.
  • Radeon HD 7750M and Radeon R9 M485X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M485X is 1000 MHz higher, than Radeon HD 7750M.

Game benchmarks

high / 1080p 3−4 24−27
ultra / 1080p 1−2 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 14−16 45−50
medium / 1080p 5−6 30−35
The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 400% more, than Radeon HD 7750M.

Full Specs

  Radeon HD 7750M Radeon R9 M485X
Architecture GCN GCN 3
Code name Lombok XL Amethyst
Type Laptop Laptop
Release date 24 April 2012 14 May 2016
Pipelines 512 2048
Core clock speed 575 MHz 723 MHz
Transistor count 1,500 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 18.40 92.54
Floating-point performance 588.8 gflops 2,961 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 5000 MHz
Memory bandwidth 64 GB/s 160.0 GB/s
Shared memory - -
DirectX 12 (11_1) 12 (12_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
Laptop size medium sized large
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