Mobility Radeon HD 5870 Crossfire vs Radeon HD 4830

In this comparison between Mobility Radeon HD 5870 Crossfire and Radeon HD 4830 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 Mobility Radeon HD 5870 Crossfire will be the best choice, for others Radeon HD 4830 will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 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 Mobility Radeon HD 5870 Crossfire here:

Main Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 4830
Power consumption (TDP) 120 Watt 95 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type DDR3, GDDR3, GDDR5 GDDR3
Maximum RAM amount 2x1 GB 512 MB
Display Connectors 2x DVI, 1x S-Video
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  • Mobility Radeon HD 5870 Crossfire has 26% more power consumption, than Radeon HD 4830.
  • Radeon HD 4830 has 510 GB more memory, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon HD 4830 - in Desktops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon HD 4830 - with TeraScale.
  • Core clock speed of Mobility Radeon HD 5870 Crossfire is 125 MHz higher, than Radeon HD 4830.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon HD 4830 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4830 is 800 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 0−1
ultra / 1080p 9−10 0−1
QHD / 1440p 4−5 0−1
low / 720p 30−35 10−12
medium / 1080p 18−20 2−3
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 316% more, than Radeon HD 4830.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 4830
Architecture Terascale 2 TeraScale
Code name Broadway-XT RV770
Type Laptop Desktop
Release date 7 January 2010 21 October 2008
Pipelines 1600 640
Core clock speed 700 MHz 575 MHz
Transistor count 956 million
Manufacturing process technology 40 nm 55 nm
Texture fill rate 18.40
Floating-point performance 736.0 gflops
Length 246 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 1800 MHz
Memory bandwidth 57.6 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 10.1 (10_1)
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size large
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