Radeon 540X vs Radeon HD 7850

Find out if it is worth upgrading your current GPU setup by comparing Radeon 540X and Radeon HD 7850. 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 540X and Radeon HD 7850. 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 540X is a Laptop Graphics Card

Note: Radeon 540X 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 540X here:

Main Specs

  Radeon 540X Radeon HD 7850
Power consumption (TDP) 50 Watt 225 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7850 has 350% more power consumption, than Radeon 540X.
  • Radeon 540X is connected by PCIe 3.0 x8, and Radeon HD 7850 uses PCIe 3.0 x16 interface.
  • Radeon 540X and Radeon HD 7850 have maximum RAM of 2 GB.
  • Radeon 540X is used in Laptops, and Radeon HD 7850 - in Desktops.
  • Radeon 540X is build with GCN 4.0 architecture, and Radeon HD 7850 - with GCN 1.0.
  • Radeon 540X is manufactured by 14 nm process technology, and Radeon HD 7850 - by 28 nm process technology.
  • Memory clock speed of Radeon 540X is 4800 MHz higher, than Radeon HD 7850.

Game benchmarks

high / 1080p 6−7 18−20
ultra / 1080p 3−4 10−12
QHD / 1440p 0−1 5−6
4K / 2160p 4−5
low / 720p 14−16 35−40
medium / 1080p 7−8 24−27
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 187% more, than Radeon 540X.

Full Specs

  Radeon 540X Radeon HD 7850
Architecture GCN 4.0 GCN 1.0
Code name Lexa Pitcairn
Type Laptop Desktop
Release date 12 August 2019 5 March 2012
Pipelines 512 1024
Boost Clock 1219 MHz 1000 MHz
Transistor count 2,200 million 2,800 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 33.47 55.04
Floating-point performance 1,761 gflops
Length 210 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 6000 MHz 1200 MHz
Memory bandwidth 112.0 GB/s 153.6 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131
FreeSync +
Bus support PCIe 2.1 x16
HDMI +
Bitcoin / BTC (SHA256) 249 Mh/s
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 12.5 Mh/s
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