GeForce GTX 680MX vs Radeon R9 M270X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680MX and Radeon R9 M270X. 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 GeForce GTX 680MX and Radeon R9 M270X. 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.

GeForce GTX 680MX is a Laptop Graphics Card

Note: GeForce GTX 680MX 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 680MX here:

Main Specs

  GeForce GTX 680MX Radeon R9 M270X
Power consumption (TDP) 122 Watt
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs
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  • Radeon R9 M270X has 2 GB more memory, than GeForce GTX 680MX.
  • GeForce GTX 680MX is used in Laptops, and Radeon R9 M270X - in Desktops.
  • GeForce GTX 680MX 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 680MX.
  • GeForce GTX 680MX and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 680MX is 1375 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 21−24 6−7
ultra / 1080p 12−14 4−5
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 16−18
medium / 1080p 27−30 8−9
The average gaming FPS of GeForce GTX 680MX in Assassin's Creed Odyssey is 188% more, than Radeon R9 M270X.

Full Specs

  GeForce GTX 680MX Radeon R9 M270X
Architecture Kepler GCN 1.0
Code name Venus
Type Laptop Desktop
Release date 23 October 2012 21 March 2014
Pipelines 1536 640
Core clock speed 720 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 3540 Million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 92.2 billion/sec 31.00
Floating-point performance 1,536 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 2500 MHz 1125 MHz
Memory bandwidth 160 GB/s 72 GB/s
Shared memory -
DirectX 12 API
Shader Model 5.1
OpenGL 4.5 4.4
OpenCL 1.1 Not Listed
CUDA +
FreeSync +
CUDA cores 1536
Bus support PCI Express 3.0 PCIe 3.0 x16
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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