Radeon HD 7870M vs Radeon R7 M275DX

When choosing between Radeon HD 7870M and Radeon R7 M275DX, 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 Radeon HD 7870M and Radeon R7 M275DX.

Radeon HD 7870M and Radeon R7 M275DX are Laptop Graphics Cards

Note: Radeon HD 7870M and Radeon R7 M275DX 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 Radeon HD 7870M or Radeon R7 M275DX here:

Main Specs

  Radeon HD 7870M Radeon R7 M275DX
Power consumption (TDP) 45 Watt
Interface PCIe 3.0 x16
Memory type GDDR5 DDR3
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Radeon HD 7870M and Radeon R7 M275DX are build with GCN architecture.
  • Radeon HD 7870M and Radeon R7 M275DX are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 6−7 9−10
ultra / 1080p 4−5 5−6
QHD / 1440p 0−1 0−1
low / 720p 16−18 21−24
medium / 1080p 8−9 10−12
The average gaming FPS of Radeon R7 M275DX in Assassin's Creed Odyssey is 33% more, than Radeon HD 7870M.

Full Specs

  Radeon HD 7870M Radeon R7 M275DX
Architecture GCN GCN
Code name Heathrow XT
Type Laptop Laptop
Release date 24 April 2012 4 June 2014
Pipelines 640 896
Core clock speed 800 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 32.00
Floating-point performance 1,024 gflops
Memory bus width 128 Bit
Memory clock speed 4000 MHz
Memory bandwidth 64 GB/s
Shared memory - +
DirectX 12 (11_1) DirectX 12, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Laptop size large medium sized
Eyefinity +
AppAcceleration +
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