Mobility Radeon HD 5870 Crossfire vs Radeon HD 8790M

When choosing between Mobility Radeon HD 5870 Crossfire and Radeon HD 8790M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Mobility Radeon HD 5870 Crossfire and Radeon HD 8790M.

Mobility Radeon HD 5870 Crossfire and Radeon HD 8790M are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 Crossfire and Radeon HD 8790M 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 8790M here:

Main Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 8790M
Power consumption (TDP) 120 Watt
Interface MXM-A (3.0)
Supplementary power connectors None
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 8790M 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 8790M - with GCN.
  • Core clock speed of Radeon HD 8790M is 150 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon HD 8790M - by 28 nm process technology.
  • Memory clock speed of Radeon HD 8790M is 3500 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 3−4
ultra / 1080p 9−10 1−2
QHD / 1440p 4−5 0−1
low / 720p 30−35 14−16
medium / 1080p 18−20 6−7
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 216% more, than Radeon HD 8790M.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 8790M
Architecture Terascale 2 GCN
Code name Broadway-XT Mars XTX
Type Laptop Laptop
Release date 7 January 2010 16 November 2012
Pipelines 1600 384
Core clock speed 700 MHz 850 MHz
Boost Clock 900 MHz
Transistor count 950 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 21.60
Floating-point performance 691.2 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 4500 MHz
Memory bandwidth 64 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
Bitcoin / BTC (SHA256) 80 Mh/s
Laptop size large medium sized
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