Radeon 540 vs Radeon HD 7970M Crossfire

Find out if it is worth upgrading your current GPU setup by comparing Radeon 540 and Radeon HD 7970M Crossfire. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon 540 and Radeon HD 7970M Crossfire. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon HD 7970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 7970M 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 Radeon HD 7970M Crossfire here:

Main Specs

  Radeon 540 Radeon HD 7970M Crossfire
Power consumption (TDP) 50 Watt 200 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 7970M Crossfire has 300% more power consumption, than Radeon 540.
  • Radeon 540 is used in Desktops, and Radeon HD 7970M Crossfire - in Laptops.
  • Radeon 540 is build with GCN 4.0 architecture, and Radeon HD 7970M Crossfire - with GCN.
  • Core clock speed of Radeon 540 is 250 MHz higher, than Radeon HD 7970M Crossfire.
  • Radeon 540 is manufactured by 14 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.
  • Memory clock speed of Radeon 540 is 2200 MHz higher, than Radeon HD 7970M Crossfire.

Game benchmarks

high / 1080p 6−7 35−40
ultra / 1080p 3−4 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 14−16 60−65
medium / 1080p 7−8 40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 412% more, than Radeon 540.

Full Specs

  Radeon 540 Radeon HD 7970M Crossfire
Architecture GCN 4.0 GCN
Code name Lexa Wimbledon XT
Type Desktop Laptop
Release date 26 March 2019 1 May 2012
Pipelines 512 2560
Core clock speed 1100 MHz 850 MHz
Boost Clock 1124 MHz
Transistor count 2,200 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 35.97
Length 145 mm
Memory bus width 64 Bit 2x 256 Bit
Memory clock speed 7000 MHz 4800 MHz
Memory bandwidth 56 GB/s
Shared memory -
DirectX 12 (12_0) DirectX 11.1, Shader 5.0
Shader Model 6.4
OpenGL 4.6
OpenCL 2.0
Vulkan 1.2.131
Laptop size large
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