Radeon HD 7850M vs Radeon RX 570X

When choosing between Radeon HD 7850M and Radeon RX 570X, 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 7850M and Radeon RX 570X.

Radeon HD 7850M is a Laptop Graphics Card

Note: Radeon HD 7850M 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 7850M here:

Main Specs

  Radeon HD 7850M Radeon RX 570X
Power consumption (TDP) 40 Watt 120 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 3x DisplayPort
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  • Radeon RX 570X has 200% more power consumption, than Radeon HD 7850M.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon RX 570X has 6 GB more memory, than Radeon HD 7850M.
  • Radeon HD 7850M is used in Laptops, and Radeon RX 570X - in Desktops.
  • Radeon HD 7850M is build with GCN architecture, and Radeon RX 570X - with GCN 4.0.
  • Core clock speed of Radeon RX 570X is 493 MHz higher, than Radeon HD 7850M.
  • Radeon HD 7850M is manufactured by 28 nm process technology, and Radeon RX 570X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 570X is 3000 MHz higher, than Radeon HD 7850M.

Game benchmarks

high / 1080p 6−7 9−10
ultra / 1080p 3−4 5−6
QHD / 1440p 0−1 0−1
low / 720p 14−16 21−24
medium / 1080p 7−8 10−12
The average gaming FPS of Radeon RX 570X in Assassin's Creed Odyssey is 50% more, than Radeon HD 7850M.

Full Specs

  Radeon HD 7850M Radeon RX 570X
Architecture GCN GCN 4.0
Code name Heathrow Pro Polaris 20
Type Laptop Desktop
Release date 24 April 2012 11 April 2018
Pipelines 640 2048
Core clock speed 675 MHz 1168 MHz
Boost Clock 1244 MHz
Transistor count 1,500 million 5,700 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 27.00 159.2
Floating-point performance 864.0 gflops 5,095 gflops
Length 241 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 7000 MHz
Memory bandwidth 64 GB/s 224.0 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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