Radeon HD 6990M Crossfire vs Radeon R7 A265

If you are going to buy a new graphics card and are choosing between Radeon HD 6990M Crossfire and Radeon R7 A265, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6990M Crossfire stacks up against Radeon R7 A265, check out specs charts below.

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 A265
Interface PCIe 3.0 x8
Memory type GDDR5 DDR3
Maximum RAM amount 2x2 GB 2 GB
Display Connectors No outputs
  Check Price
  • Radeon HD 6990M Crossfire and Radeon R7 A265 have maximum RAM of 2 GB.
  • Radeon HD 6990M Crossfire is used in Laptops, and Radeon R7 A265 - in Desktops.
  • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R7 A265 - with GCN 1.0.
  • Core clock speed of Radeon R7 A265 is 10 MHz higher, than Radeon HD 6990M Crossfire.
  • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R7 A265 - by 28 nm process technology.
  • Memory clock speed of Radeon R7 A265 is 900 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 35−40 1−2
ultra / 1080p 21−24 0−1
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 12−14
medium / 1080p 40−45 3−4
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 683% more, than Radeon R7 A265.

Full Specs

  Radeon HD 6990M Crossfire Radeon R7 A265
Architecture Terascale 2 GCN 1.0
Code name Blackcomb XTX Opal
Type Laptop Desktop
Release date 12 July 2011 9 January 2014
Pipelines 2240 384
Core clock speed 715 MHz 725 MHz
Boost Clock 825 MHz
Transistor count 2x1700 Million 950 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 19.80
Floating-point performance 633.6 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 900 MHz 1800 MHz
Memory bandwidth 28.8 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
  Check Price