Radeon 540X vs Radeon HD 6850M

When choosing between Radeon 540X and Radeon HD 6850M, 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 540X and Radeon HD 6850M.

Radeon 540X and Radeon HD 6850M are Laptop Graphics Cards

Note: Radeon 540X and Radeon HD 6850M are only used in laptop graphics. They have 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 or Radeon HD 6850M here:

Main Specs

  Radeon 540X Radeon HD 6850M
Power consumption (TDP) 50 Watt 50 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Both graphics cards have the same power consumption of 50 Watt.
  • Radeon 540X is connected by PCIe 3.0 x8, and Radeon HD 6850M uses PCIe 2.0 x16 interface.
  • Radeon 540X has 1 GB more memory, than Radeon HD 6850M.
  • Both cards are used in Laptops.
  • Radeon 540X is build with GCN 4.0 architecture, and Radeon HD 6850M - with Terascale 2.
  • Radeon 540X is manufactured by 14 nm process technology, and Radeon HD 6850M - by 40 nm process technology.
  • Memory clock speed of Radeon 540X is 5200 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 6−7 2−3
ultra / 1080p 3−4 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 7−8 3−4
The average gaming FPS of Radeon 540X in Assassin's Creed Odyssey is 50% more, than Radeon HD 6850M.

Full Specs

  Radeon 540X Radeon HD 6850M
Architecture GCN 4.0 Terascale 2
Code name Lexa Granville Pro/LP
Type Laptop Laptop
Release date 12 August 2019 6 January 2011
Pipelines 512 800
Core clock speed 575 / 675 MHz
Boost Clock 1219 MHz
Transistor count 2,200 million 1,040 million
Manufacturing process technology 14 nm 40 nm
Texture fill rate 33.47 27.00
Floating-point performance 1,080.0 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 6000 MHz 800 MHz
Memory bandwidth 112.0 GB/s 25.6 GB/s
Shared memory - -
DirectX 12 (12_0) 11.2 (11_0)
Shader Model 6.4 5.0
OpenGL 4.6 4.4
OpenCL 2.0 1.2
Vulkan 1.2.131 N/A
Laptop size large
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