GeForce GTX 675M vs Radeon R9 M270X

In this comparison between GeForce GTX 675M 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 675M 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 675M is a Laptop Graphics Card

Note: GeForce GTX 675M 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 here:

Main Specs

  GeForce GTX 675M Radeon R9 M270X
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 675M is connected by MXM-B (3.0), and Radeon R9 M270X uses PCIe 3.0 x16 interface.
  • Radeon R9 M270X has 2 GB more memory, than GeForce GTX 675M.
  • GeForce GTX 675M is used in Laptops, and Radeon R9 M270X - in Desktops.
  • GeForce GTX 675M 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.
  • GeForce GTX 675M is manufactured by 40 nm process technology, and Radeon R9 M270X - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 675M is 375 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 10−11 6−7
ultra / 1080p 6−7 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 16−18
medium / 1080p 12−14 8−9
The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 44% more, than Radeon R9 M270X.

Full Specs

  GeForce GTX 675M Radeon R9 M270X
Architecture Fermi GCN 1.0
Code name N13E-GS1 Venus
Type Laptop Desktop
Release date 22 March 2012 21 March 2014
Pipelines 384 640
Core clock speed 620 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 1,950 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 31.00
Floating-point performance 952.3 gflops 1,536 gflops
Memory bus width 256bit 128 Bit
Memory clock speed 1500 MHz 1125 MHz
Memory bandwidth 96.0 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 N/A
CUDA +
FreeSync +
CUDA cores 384
Bus support PCI Express 2.0 PCIe 3.0 x16
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 59 Mh/s
Laptop size large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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