GeForce GTX 675M SLI vs Radeon R9 M270X

When choosing between GeForce GTX 675M SLI and Radeon R9 M270X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 675M SLI and Radeon R9 M270X.

GeForce GTX 675M SLI is a Laptop Graphics Card

Note: GeForce GTX 675M SLI 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 675M SLI here:

Main Specs

  GeForce GTX 675M SLI Radeon R9 M270X
Power consumption (TDP) 2x 100 Watt
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs
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  • GeForce GTX 675M SLI is used in Laptops, and Radeon R9 M270X - in Desktops.
  • GeForce GTX 675M SLI is build with Fermi architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of Radeon R9 M270X is 105 MHz higher, than GeForce GTX 675M SLI.
  • GeForce GTX 675M SLI is manufactured by 40 nm process technology, and Radeon R9 M270X - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 675M SLI is 1875 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 18−20 6−7
ultra / 1080p 10−12 4−5
QHD / 1440p 5−6 0−1
4K / 2160p 4−5
low / 720p 35−40 16−18
medium / 1080p 24−27 8−9
The average gaming FPS of GeForce GTX 675M SLI in Assassin's Creed Odyssey is 155% more, than Radeon R9 M270X.

Full Specs

  GeForce GTX 675M SLI Radeon R9 M270X
Architecture Fermi GCN 1.0
Code name N12E-GTX2 Venus
Type Laptop Desktop
Release date 6 January 2011 21 March 2014
Pipelines 768 640
Core clock speed 620 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 31.00
Floating-point performance 1,536 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 3000 MHz 1125 MHz
Memory bandwidth 72 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.4
OpenCL Not Listed
CUDA +
FreeSync +
Bus support PCIe 3.0 x16
SLI options +
Laptop size large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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