Mobility Radeon HD 5870 Crossfire vs Radeon HD 7870

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 5870 Crossfire and Radeon HD 7870, 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 Mobility Radeon HD 5870 Crossfire stacks up against Radeon HD 7870, check out specs charts below.

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 7870
Power consumption (TDP) 120 Watt 175 Watt
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 2x1 GB 2 GB
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  • Radeon HD 7870 has 45% more power consumption, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire and Radeon HD 7870 have maximum RAM of 2 GB.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon HD 7870 - in Desktops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon HD 7870 - with GCN.
  • Core clock speed of Radeon HD 7870 is 300 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon HD 7870 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 is 3800 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 24−27
ultra / 1080p 9−10 14−16
QHD / 1440p 4−5 9−10
4K / 2160p 6−7
low / 720p 30−35 45−50
medium / 1080p 18−20 30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 56% more, than Mobility Radeon HD 5870 Crossfire.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon HD 7870
Architecture Terascale 2 GCN
Code name Broadway-XT Pitcairn XT
Type Laptop Desktop
Release date 7 January 2010 5 March 2012
Pipelines 1600 1280
Core clock speed 700 MHz 1000 MHz
Transistor count 2800 Million
Manufacturing process technology 40 nm 28 nm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 4800 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0 DirectX 11.1, Shader 5.1
Monero / XMR (CryptoNight) 0.39 kh/s
Laptop size large
Eyefinity +
Decred / DCR (Decred) 0.63 Gh/s
Ethereum / ETH (DaggerHashimoto) 16.6 Mh/s
Zcash / ZEC (Equihash) 145 Sol/s
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