Radeon R7 M465X vs Radeon RX 640

Find out if it is worth upgrading your current GPU setup by comparing Radeon R7 M465X 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 R7 M465X 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 RX 640 is a Laptop Graphics Card

Note: Radeon RX 640 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 RX 640 here:

Main Specs

  Radeon R7 M465X 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 2 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R7 M465X is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
  • Radeon RX 640 has 2 GB more memory, than Radeon R7 M465X.
  • Radeon R7 M465X is used in Desktops, and Radeon RX 640 - in Laptops.
  • Radeon R7 M465X is build with GCN 1.0 architecture, and Radeon RX 640 - with Polaris.
  • Core clock speed of Radeon RX 640 is 318 MHz higher, than Radeon R7 M465X.
  • Radeon R7 M465X is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 640 is 1500 MHz higher, than Radeon R7 M465X.

Game benchmarks

high / 1080p 8−9 5−6
ultra / 1080p 4−5 3−4
QHD / 1440p 0−1 2−3
low / 720p 18−20 16−18
medium / 1080p 10−11 7−8
The average gaming FPS of Radeon R7 M465X in Assassin's Creed Odyssey is 25% more, than Radeon RX 640.

Full Specs

  Radeon R7 M465X Radeon RX 640
Architecture GCN 1.0 Polaris
Code name Tropo Polaris 12
Type Desktop Laptop
Release date 15 May 2016 12 August 2019
Pipelines 512 640
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 29.60 38.98
Floating-point performance 947.2 gflops
Memory bus width 128 Bit 64 Bit
Memory clock speed 4500 MHz 6000 MHz
Memory bandwidth 72 GB/s 112.0 GB/s
Shared memory -
DirectX 12 (11_1) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
FreeSync +
Laptop size large
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