Radeon HD 4830 vs Radeon HD 6970M Crossfire

If you are going to buy a new graphics card and are choosing between Radeon HD 4830 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 4830 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 4830 Radeon HD 6970M Crossfire
Power consumption (TDP) 95 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2x2 GB
Display Connectors 2x DVI, 1x S-Video
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  • Radeon HD 4830 has 510 GB more memory, than Radeon HD 6970M Crossfire.
  • Radeon HD 4830 is used in Desktops, and Radeon HD 6970M Crossfire - in Laptops.
  • Radeon HD 4830 is build with TeraScale architecture, and Radeon HD 6970M Crossfire - with Terascale 2.
  • Core clock speed of Radeon HD 6970M Crossfire is 105 MHz higher, than Radeon HD 4830.
  • Radeon HD 4830 is manufactured by 55 nm process technology, and Radeon HD 6970M Crossfire - by 40 nm process technology.
  • Memory clock speed of Radeon HD 4830 is 900 MHz higher, than Radeon HD 6970M Crossfire.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 0−1 12−14
QHD / 1440p 0−1 7−8
4K / 2160p 5−6
low / 720p 10−12 40−45
medium / 1080p 2−3 24−27
The average gaming FPS of Radeon HD 6970M Crossfire in Assassin's Creed Odyssey is 466% more, than Radeon HD 4830.

Full Specs

  Radeon HD 4830 Radeon HD 6970M Crossfire
Architecture TeraScale Terascale 2
Code name RV770 Blackcomb XT
Type Desktop Laptop
Release date 21 October 2008 6 January 2011
Pipelines 640 1920
Core clock speed 575 MHz 680 MHz
Transistor count 956 million 2x1700 Million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 18.40
Floating-point performance 736.0 gflops
Length 246 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1800 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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