Radeon HD 7870M vs Radeon Pro 580X

When choosing between Radeon HD 7870M and Radeon Pro 580X, 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 Pro 580X.

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 7870M Radeon Pro 580X
Power consumption (TDP) 45 Watt 150 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 580X has 233% more power consumption, than Radeon HD 7870M.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon Pro 580X has 6 GB more memory, than Radeon HD 7870M.
  • Radeon HD 7870M is used in Laptops, and Radeon Pro 580X - in Desktops.
  • Radeon HD 7870M is build with GCN architecture, and Radeon Pro 580X - with GCN 4.0.
  • Core clock speed of Radeon Pro 580X is 300 MHz higher, than Radeon HD 7870M.
  • Radeon HD 7870M is manufactured by 28 nm process technology, and Radeon Pro 580X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 580X is 2780 MHz higher, than Radeon HD 7870M.

Game benchmarks

high / 1080p 6−7 35−40
ultra / 1080p 4−5 24−27
QHD / 1440p 0−1 18−20
4K / 2160p 10−12
low / 720p 16−18 60−65
medium / 1080p 8−9 45−50
The average gaming FPS of Radeon Pro 580X in Assassin's Creed Odyssey is 377% more, than Radeon HD 7870M.

Full Specs

  Radeon HD 7870M Radeon Pro 580X
Architecture GCN GCN 4.0
Code name Heathrow XT Polaris 20
Type Laptop Workstation
Release date 24 April 2012 18 March 2019
Pipelines 640 2304
Core clock speed 800 MHz 1100 MHz
Boost Clock 1200 MHz
Transistor count 1,500 million 5,700 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 32.00 172.8
Floating-point performance 1,024 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 6780 MHz
Memory bandwidth 64 GB/s 217.0 GB/s
Shared memory -
DirectX 12 (11_1) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
Laptop size large
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