Mobility Radeon HD 5870 vs Radeon R7 M270DX

In this comparison between Mobility Radeon HD 5870 and Radeon R7 M270DX you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Mobility Radeon HD 5870 will be the best choice, for others Radeon R7 M270DX will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 5870 is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 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 here:

Main Specs

  Mobility Radeon HD 5870 Radeon R7 M270DX
Power consumption (TDP) 50 Watt
Interface MXM-B (3.0) IGP
Memory type DDR3, GDDR3, GDDR5 System Shared
Maximum RAM amount 1 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Radeon R7 M270DX uses IGP interface.
  • Mobility Radeon HD 5870 is used in Laptops, and Radeon R7 M270DX - in Desktops.
  • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Radeon R7 M270DX - with GCN 3.0.
  • Core clock speed of Radeon R7 M270DX is 200 MHz higher, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon R7 M270DX - by 28 nm process technology.

Game benchmarks

high / 1080p 10−11 2−3
ultra / 1080p 6−7 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of Mobility Radeon HD 5870 in Assassin's Creed Odyssey is 150% more, than Radeon R7 M270DX.

Full Specs

  Mobility Radeon HD 5870 Radeon R7 M270DX
Architecture Terascale 2 GCN 3.0
Code name Broadway-XT Topaz
Type Laptop Desktop
Release date 7 January 2010 11 June 2014
Pipelines 800 384
Core clock speed 700 MHz 900 MHz
Boost Clock 940 MHz
Transistor count 1,040 million 1,550 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 28.00 22.56
Floating-point performance 1,120.0 gflops
Memory bus width 128 Bit
Memory clock speed 1000 MHz
Memory bandwidth 64 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
Laptop size large
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