Radeon HD 7870 vs Radeon HD 7870M

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7870 and Radeon HD 7870M. 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 7870M. 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 7870M is a Laptop Graphics Card

Note: Radeon HD 7870M 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 7870M here:

Main Specs

  Radeon HD 7870 Radeon HD 7870M
Power consumption (TDP) 175 Watt 45 Watt
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs
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  • Radeon HD 7870 has 288% more power consumption, than Radeon HD 7870M.
  • Radeon HD 7870 and Radeon HD 7870M have maximum RAM of 2 GB.
  • Radeon HD 7870 is used in Desktops, and Radeon HD 7870M - in Laptops.
  • Radeon HD 7870 and Radeon HD 7870M are build with GCN architecture.
  • Core clock speed of Radeon HD 7870 is 200 MHz higher, than Radeon HD 7870M.
  • Radeon HD 7870 and Radeon HD 7870M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 is 800 MHz higher, than Radeon HD 7870M.

Game benchmarks

high / 1080p 24−27 6−7
ultra / 1080p 14−16 4−5
QHD / 1440p 9−10 0−1
4K / 2160p 6−7
low / 720p 45−50 16−18
medium / 1080p 30−33 8−9
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 222% more, than Radeon HD 7870M.

Full Specs

  Radeon HD 7870 Radeon HD 7870M
Architecture GCN GCN
Code name Pitcairn XT Heathrow XT
Type Desktop Laptop
Release date 5 March 2012 24 April 2012
Pipelines 1280 640
Core clock speed 1000 MHz 800 MHz
Transistor count 2800 Million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 32.00
Floating-point performance 1,024 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 4800 MHz 4000 MHz
Memory bandwidth 64 GB/s
Shared memory - -
DirectX DirectX 11.1, Shader 5.1 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
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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