Radeon HD 4850 X2 vs Radeon HD 6970M Crossfire

If you are going to buy a new graphics card and are choosing between Radeon HD 4850 X2 and Radeon HD 6970M Crossfire, 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 4850 X2 stacks up against Radeon HD 6970M Crossfire, check out specs charts below.

Radeon HD 6970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 6970M 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 6970M Crossfire here:

Main Specs

  Radeon HD 4850 X2 Radeon HD 6970M Crossfire
Power consumption (TDP) 250 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2x2 GB
Display Connectors 4x DVI, 1x S-Video
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  • Radeon HD 4850 X2 has 510 GB more memory, than Radeon HD 6970M Crossfire.
  • Radeon HD 4850 X2 is used in Desktops, and Radeon HD 6970M Crossfire - in Laptops.
  • Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon HD 6970M Crossfire - with Terascale 2.
  • Core clock speed of Radeon HD 6970M Crossfire is 55 MHz higher, than Radeon HD 4850 X2.
  • Radeon HD 4850 X2 is manufactured by 55 nm process technology, and Radeon HD 6970M Crossfire - by 40 nm process technology.
  • Memory clock speed of Radeon HD 4850 X2 is 1090 MHz higher, than Radeon HD 6970M Crossfire.

Game benchmarks

high / 1080p 3−4 21−24
ultra / 1080p 2−3 12−14
QHD / 1440p 0−1 7−8
4K / 2160p 5−6
low / 720p 14−16 40−45
medium / 1080p 5−6 24−27
The average gaming FPS of Radeon HD 6970M Crossfire in Assassin's Creed Odyssey is 316% more, than Radeon HD 4850 X2.

Full Specs

  Radeon HD 4850 X2 Radeon HD 6970M Crossfire
Architecture TeraScale Terascale 2
Code name R700 Blackcomb XT
Type Desktop Laptop
Release date 7 November 2008 6 January 2011
Pipelines 800 1920
Core clock speed 625 MHz 680 MHz
Transistor count 956 million 2x1700 Million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 25.00
Floating-point performance 2x 1,000.0 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1990 MHz 900 MHz
Memory bandwidth 63.68 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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