GeForce GTX 680M vs Radeon R9 M270X

In this comparison between GeForce GTX 680M and Radeon R9 M270X 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 GTX 680M will be the best choice, for others Radeon R9 M270X will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 680M is a Laptop Graphics Card

Note: GeForce GTX 680M 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 GeForce GTX 680M here:

Main Specs

  GeForce GTX 680M Radeon R9 M270X
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 680M is connected by MXM-B (3.0), and Radeon R9 M270X uses PCIe 3.0 x16 interface.
  • GeForce GTX 680M and Radeon R9 M270X have maximum RAM of 4 GB.
  • GeForce GTX 680M is used in Laptops, and Radeon R9 M270X - in Desktops.
  • GeForce GTX 680M is build with Kepler architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of Radeon R9 M270X is 5 MHz higher, than GeForce GTX 680M.
  • GeForce GTX 680M and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 680M is 675 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 16−18 6−7
ultra / 1080p 9−10 4−5
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 16−18
medium / 1080p 20−22 8−9
The average gaming FPS of GeForce GTX 680M in Assassin's Creed Odyssey is 122% more, than Radeon R9 M270X.

Full Specs

  GeForce GTX 680M Radeon R9 M270X
Architecture Kepler GCN 1.0
Code name N13E-GTX Venus
Type Laptop Desktop
Release date 4 June 2012 21 March 2014
Pipelines 1344 640
Core clock speed 720 MHz 725 MHz
Boost Clock 758 MHz 775 MHz
Transistor count 3,540 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 80.6 billion/sec 31.00
Floating-point performance 2,038 gflops 1,536 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 1125 MHz
Memory bandwidth 115.2 GB/s 72 GB/s
Shared memory -
DirectX 12 API
Shader Model 5.1 5.1
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
Vulkan 1.1.126
CUDA +
FreeSync +
CUDA cores 1344
Bus support PCI Express 3.0 PCIe 3.0 x16
SLI options +
Bitcoin / BTC (SHA256) 100 Mh/s
Laptop size large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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