GeForce GT 645M vs Radeon R9 M370X

In this comparison between GeForce GT 645M and Radeon R9 M370X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 645M will be the best choice, for others Radeon R9 M370X will be their preference. Study the comparison tables below and make your choice.

GeForce GT 645M and Radeon R9 M370X are Laptop Graphics Cards

Note: GeForce GT 645M and Radeon R9 M370X 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 GeForce GT 645M or Radeon R9 M370X here:

Main Specs

  GeForce GT 645M Radeon R9 M370X
Power consumption (TDP) 32 Watt
Interface PCIe 3.0 x16
Memory type DDR3\GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs
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  • GeForce GT 645M and Radeon R9 M370X have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 645M is build with Kepler architecture, and Radeon R9 M370X - with GCN 1.0.
  • GeForce GT 645M and Radeon R9 M370X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M370X is 2700 MHz higher, than GeForce GT 645M.

Game benchmarks

high / 1080p 1−2 3−4
ultra / 1080p 0−1 1−2
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 2−3 6−7
The average gaming FPS of Radeon R9 M370X in Assassin's Creed Odyssey is 60% more, than GeForce GT 645M.

Full Specs

  GeForce GT 645M Radeon R9 M370X
Architecture Kepler GCN 1.0
Code name N13P-GS Cape Verde
Type Laptop Laptop
Release date 22 March 2012 19 May 2015
Pipelines 384 640
Core clock speed 800 MHz
Transistor count 1,270 million 1500 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 22.7 billion/sec
Floating-point performance 544.5 gflops
Memory bus width 128bit 128 Bit
Memory clock speed 1800 MHz 4500 MHz
Shared memory - -
DirectX 12 API DirectX 12 (FL 11_1), Shader 5.0
Shader Model 5.1
OpenGL 4.5
OpenCL 1.1
Vulkan 1.1.126
CUDA +
CUDA cores 384
Bus support PCI Express 2.0, PCI Express 3.0
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
3D Blu-Ray +
Bitcoin / BTC (SHA256) 19 Mh/s 125 Mh/s
Laptop size medium sized medium sized
Optimus +
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