Radeon 540X vs Radeon R9 M275

Find out if it is worth upgrading your current GPU setup by comparing Radeon 540X and Radeon R9 M275. 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 R9 M275. 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 and Radeon R9 M275 are Laptop Graphics Cards

Note: Radeon 540X and Radeon R9 M275 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 R9 M275 here:

Main Specs

  Radeon 540X Radeon R9 M275
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon 540X is connected by PCIe 3.0 x8, and Radeon R9 M275 uses PCIe 3.0 x16 interface.
  • Radeon R9 M275 has 2 GB more memory, than Radeon 540X.
  • Both cards are used in Laptops.
  • Radeon 540X is build with GCN 4.0 architecture, and Radeon R9 M275 - with GCN.
  • Radeon 540X is manufactured by 14 nm process technology, and Radeon R9 M275 - by 28 nm process technology.
  • Memory clock speed of Radeon 540X is 1500 MHz higher, than Radeon R9 M275.

Game benchmarks

high / 1080p 6−7 0−1
ultra / 1080p 3−4
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 37% more, than Radeon R9 M275.

Full Specs

  Radeon 540X Radeon R9 M275
Architecture GCN 4.0 GCN
Code name Lexa Venus
Type Laptop Laptop
Release date 12 August 2019 1 August 2014
Pipelines 512 640
Core clock speed 925 MHz
Boost Clock 1219 MHz 925 MHz
Transistor count 2,200 million 1,500 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 33.47 37.00
Floating-point performance 1,184 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 6000 MHz 4500 MHz
Memory bandwidth 112.0 GB/s 64 GB/s
Shared memory - -
DirectX 12 (12_0) 12 (11_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 1.2.131
Bitcoin / BTC (SHA256) 122 Mh/s
Laptop size large
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