Radeon 540 vs Radeon R9 M395X

When choosing between Radeon 540 and Radeon R9 M395X, 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 540 and Radeon R9 M395X.

Radeon R9 M395X is a Laptop Graphics Card

Note: Radeon R9 M395X 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 R9 M395X here:

Main Specs

  Radeon 540 Radeon R9 M395X
Power consumption (TDP) 50 Watt 250 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 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 R9 M395X has 400% more power consumption, than Radeon 540.
  • Radeon 540 is connected by PCIe 3.0 x8, and Radeon R9 M395X uses PCIe 3.0 x16 interface.
  • Radeon R9 M395X has 2 GB more memory, than Radeon 540.
  • Radeon 540 is used in Desktops, and Radeon R9 M395X - in Laptops.
  • Radeon 540 is build with GCN 4.0 architecture, and Radeon R9 M395X - with GCN 3.
  • Core clock speed of Radeon 540 is 377 MHz higher, than Radeon R9 M395X.
  • Radeon 540 is manufactured by 14 nm process technology, and Radeon R9 M395X - by 28 nm process technology.
  • Memory clock speed of Radeon 540 is 5750 MHz higher, than Radeon R9 M395X.

Game benchmarks

high / 1080p 6−7 24−27
ultra / 1080p 3−4 14−16
QHD / 1440p 0−1 9−10
4K / 2160p 6−7
low / 720p 14−16 45−50
medium / 1080p 7−8 30−35
The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 275% more, than Radeon 540.

Full Specs

  Radeon 540 Radeon R9 M395X
Architecture GCN 4.0 GCN 3
Code name Lexa Amethyst XT
Type Desktop Laptop
Release date 26 March 2019 16 October 2014
Pipelines 512 2048
Core clock speed 1100 MHz 723 MHz
Boost Clock 1124 MHz
Transistor count 2,200 million 5,000 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 35.97 92.54
Floating-point performance 2,961 gflops
Length 145 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 7000 MHz 1250 MHz
Memory bandwidth 56 GB/s 160.0 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.4 6.3
OpenGL 4.6 4.4
OpenCL 2.0 Not Listed
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 413 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
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