Mobility Radeon HD 5870 Crossfire vs Radeon R9 M375X

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 5870 Crossfire and Radeon R9 M375X, 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 R9 M375X, 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 R9 M375X
Power consumption (TDP) 120 Watt
Interface PCIe 3.0 x16
Memory type DDR3, GDDR3, GDDR5 GDDR5
Maximum RAM amount 2x1 GB 4 GB
Display Connectors No outputs
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  • Radeon R9 M375X has 2 GB more memory, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon R9 M375X - in Desktops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon R9 M375X - with GCN 1.0.
  • Core clock speed of Radeon R9 M375X is 225 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon R9 M375X - by 28 nm process technology.
  • Memory clock speed of Radeon R9 M375X is 125 MHz higher, than Mobility Radeon HD 5870 Crossfire.

Game benchmarks

high / 1080p 16−18 9−10
ultra / 1080p 9−10 5−6
QHD / 1440p 4−5 0−1
low / 720p 30−35 21−24
medium / 1080p 18−20 12−14
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 58% more, than Radeon R9 M375X.

Full Specs

  Mobility Radeon HD 5870 Crossfire Radeon R9 M375X
Architecture Terascale 2 GCN 1.0
Code name Broadway-XT Tropo
Type Laptop Desktop
Release date 7 January 2010 5 May 2015
Pipelines 1600 640
Core clock speed 700 MHz 925 MHz
Boost Clock 1015 MHz
Transistor count 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 40.60
Floating-point performance 1,299 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 1125 MHz
Memory bandwidth 72 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.4
OpenCL Not Listed
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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