Mobility Radeon HD 5870 vs Radeon HD 5670

In this comparison between Mobility Radeon HD 5870 and Radeon HD 5670 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 will be the best choice, for others Radeon HD 5670 will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 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 here:

Main Specs

  Mobility Radeon HD 5870 Radeon HD 5670
Power consumption (TDP) 50 Watt 64 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x VGA
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  • Radeon HD 5670 has 28% more power consumption, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Radeon HD 5670 uses PCIe 2.0 x16 interface.
  • Mobility Radeon HD 5870 and Radeon HD 5670 have maximum RAM of 1 GB.
  • Mobility Radeon HD 5870 is used in Laptops, and Radeon HD 5670 - in Desktops.
  • Mobility Radeon HD 5870 and Radeon HD 5670 are build with Terascale 2 architecture.
  • Core clock speed of Radeon HD 5670 is 75 MHz higher, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 and Radeon HD 5670 are manufactured by 40 nm process technology.
  • Memory clock speed of Mobility Radeon HD 5870 and Radeon HD 5670 is 1000 MHz.

Game benchmarks

high / 1080p 10−11 0−1
ultra / 1080p 6−7
QHD / 1440p 0−1 0−1
low / 720p 21−24 1−2
medium / 1080p 12−14 0−1
The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 2100% more, than Radeon HD 5670.

Full Specs

  Mobility Radeon HD 5870 Radeon HD 5670
Architecture Terascale 2 Terascale 2
Code name Broadway-XT Redwood
Type Laptop Desktop
Release date 7 January 2010 14 January 2010
Pipelines 800 400
Core clock speed 700 MHz 775 MHz
Transistor count 1,040 million 627 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 28.00 15.50
Floating-point performance 1,120.0 gflops 620.0 gflops
Length 168 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 1000 MHz
Memory bandwidth 64 GB/s 64 GB/s
Shared memory -
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
Laptop size large
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