Radeon HD 6990M Crossfire vs Radeon R7 M465X

In this comparison between Radeon HD 6990M Crossfire and Radeon R7 M465X 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 6990M Crossfire will be the best choice, for others Radeon R7 M465X will be their preference. Study the comparison tables below and make your choice.

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Note: Radeon HD 6990M Crossfire 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 6990M Crossfire here:

Main Specs

  Radeon HD 6990M Crossfire Radeon R7 M465X
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 2 GB
Display Connectors No outputs
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  • Radeon HD 6990M Crossfire and Radeon R7 M465X have maximum RAM of 2 GB.
  • Radeon HD 6990M Crossfire is used in Laptops, and Radeon R7 M465X - in Desktops.
  • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R7 M465X - with GCN 1.0.
  • Core clock speed of Radeon R7 M465X is 185 MHz higher, than Radeon HD 6990M Crossfire.
  • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R7 M465X - by 28 nm process technology.
  • Memory clock speed of Radeon R7 M465X is 3600 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 35−40 8−9
ultra / 1080p 21−24 4−5
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 18−20
medium / 1080p 40−45 10−11
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 310% more, than Radeon R7 M465X.

Full Specs

  Radeon HD 6990M Crossfire Radeon R7 M465X
Architecture Terascale 2 GCN 1.0
Code name Blackcomb XTX Tropo
Type Laptop Desktop
Release date 12 July 2011 15 May 2016
Pipelines 2240 512
Core clock speed 715 MHz 900 MHz
Boost Clock 925 MHz
Transistor count 2x1700 Million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 29.60
Floating-point performance 947.2 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 900 MHz 4500 MHz
Memory bandwidth 72 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Laptop size large
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