Mobility Radeon HD 5870 Crossfire vs Radeon HD 8770M

In this comparison between Mobility Radeon HD 5870 Crossfire and Radeon HD 8770M 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 8770M will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 Crossfire and Radeon HD 8770M are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 Crossfire and Radeon HD 8770M are only used in laptop graphics. They have 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 or Radeon HD 8770M here:

Main Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 8770M
Power consumption (TDP) 120 Watt
Interface PCIe 3.0 x8
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 2x1 GB 2 GB
Display Connectors No outputs
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  • Mobility Radeon HD 5870 Crossfire and Radeon HD 8770M have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon HD 8770M - with GCN.
  • Core clock speed of Radeon HD 8770M is 75 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon HD 8770M - by 28 nm process technology.
  • Memory clock speed of Radeon HD 8770M is 3500 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 7−8
ultra / 1080p 9−10 4−5
QHD / 1440p 4−5 0−1
low / 720p 30−35 16−18
medium / 1080p 18−20 8−9
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 111% more, than Radeon HD 8770M.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 8770M
Architecture Terascale 2 GCN
Code name Broadway-XT Mars
Type Laptop Laptop
Release date 7 January 2010 16 November 2012
Pipelines 1600 384
Core clock speed 700 MHz 775 MHz
Boost Clock 825 MHz
Transistor count 950 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 19.80
Floating-point performance 633.6 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 4500 MHz
Memory bandwidth 72 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 medium sized
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