Radeon HD 7870 vs Radeon HD 7970M Crossfire

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7870 and Radeon HD 7970M Crossfire. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 7870 and Radeon HD 7970M Crossfire. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon HD 7970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 7970M 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 Radeon HD 7970M Crossfire here:

Main Specs

  Radeon HD 7870 Radeon HD 7970M Crossfire
Power consumption (TDP) 175 Watt 200 Watt
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB
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  • Radeon HD 7970M Crossfire has 14% more power consumption, than Radeon HD 7870.
  • Radeon HD 7870 is used in Desktops, and Radeon HD 7970M Crossfire - in Laptops.
  • Radeon HD 7870 and Radeon HD 7970M Crossfire are build with GCN architecture.
  • Core clock speed of Radeon HD 7870 is 150 MHz higher, than Radeon HD 7970M Crossfire.
  • Radeon HD 7870 and Radeon HD 7970M Crossfire are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 and Radeon HD 7970M Crossfire is 4800 MHz.

Game benchmarks

high / 1080p 24−27 35−40
ultra / 1080p 14−16 21−24
QHD / 1440p 9−10 16−18
4K / 2160p 6−7 10−11
low / 720p 45−50 60−65
medium / 1080p 30−33 40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 45% more, than Radeon HD 7870.

Full Specs

  Radeon HD 7870 Radeon HD 7970M Crossfire
Architecture GCN GCN
Code name Pitcairn XT Wimbledon XT
Type Desktop Laptop
Release date 5 March 2012 1 May 2012
Pipelines 1280 2560
Core clock speed 1000 MHz 850 MHz
Transistor count 2800 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 256 Bit 2x 256 Bit
Memory clock speed 4800 MHz 4800 MHz
Shared memory - -
DirectX DirectX 11.1, Shader 5.1 DirectX 11.1, Shader 5.0
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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