Radeon HD 4810 vs Radeon HD 6990M Crossfire

In this comparison between Radeon HD 4810 and Radeon HD 6990M Crossfire 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 4810 will be the best choice, for others Radeon HD 6990M Crossfire 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 4810 Radeon HD 6990M Crossfire
Power consumption (TDP) 95 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 512 MB 2x2 GB
Display Connectors 2x DVI, 1x S-Video
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  • Radeon HD 4810 has 510 GB more memory, than Radeon HD 6990M Crossfire.
  • Radeon HD 4810 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
  • Radeon HD 4810 is build with TeraScale architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of Radeon HD 6990M Crossfire is 90 MHz higher, than Radeon HD 4810.
  • Radeon HD 4810 is manufactured by 55 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of Radeon HD 4810 is 2700 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 1−2 60−65
medium / 1080p 0−1 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 6100% more, than Radeon HD 4810.

Full Specs

  Radeon HD 4810 Radeon HD 6990M Crossfire
Architecture TeraScale Terascale 2
Code name RV770 Blackcomb XTX
Type Desktop Laptop
Release date 28 May 2009 12 July 2011
Pipelines 640 2240
Core clock speed 625 MHz 715 MHz
Transistor count 956 million 2x1700 Million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 20.00
Floating-point performance 800.0 gflops
Length 246 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 3600 MHz 900 MHz
Memory bandwidth 57.6 GB/s
Shared memory -
DirectX 10.1 (10_1) DirectX 11, Shader 5.0
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size large
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