Radeon R9 M365X vs Radeon RX 640

Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 M365X and Radeon RX 640. 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 R9 M365X and Radeon RX 640. 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 R9 M365X and Radeon RX 640 are Laptop Graphics Cards

Note: Radeon R9 M365X and Radeon RX 640 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 R9 M365X or Radeon RX 640 here:

Main Specs

  Radeon R9 M365X Radeon RX 640
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 M365X is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
  • Radeon R9 M365X and Radeon RX 640 have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • Radeon R9 M365X is build with GCN architecture, and Radeon RX 640 - with Polaris.
  • Core clock speed of Radeon RX 640 is 318 MHz higher, than Radeon R9 M365X.
  • Radeon R9 M365X is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 640 is 4875 MHz higher, than Radeon R9 M365X.

Game benchmarks

high / 1080p 6−7 5−6
ultra / 1080p 4−5 3−4
QHD / 1440p 0−1 2−3
low / 720p 16−18 16−18
medium / 1080p 8−9 7−8
The average gaming FPS of Radeon R9 M365X in Assassin's Creed Odyssey is 12% more, than Radeon RX 640.

Full Specs

  Radeon R9 M365X Radeon RX 640
Architecture GCN Polaris
Code name Tropo Polaris 12
Type Laptop Laptop
Release date 6 May 2015 12 August 2019
Pipelines 640 640
Core clock speed 900 MHz 1218 MHz
Boost Clock 925 MHz 1218 MHz
Transistor count 1,500 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 37.00 38.98
Floating-point performance 1,184 gflops
Memory bus width 128 Bit 64 Bit
Memory clock speed 1125 MHz 6000 MHz
Memory bandwidth 72 GB/s 112.0 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan 1.2.131
FreeSync + +
Bus support PCIe 3.0
Laptop size medium sized large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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