GeForce GTX 670MX SLI vs Radeon R9 270X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 670MX SLI and Radeon R9 270X. 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 670MX SLI and Radeon R9 270X. 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 670MX SLI is a Laptop Graphics Card

Note: GeForce GTX 670MX 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 670MX SLI here:

Main Specs

  GeForce GTX 670MX SLI Radeon R9 270X
Power consumption (TDP) 150 Watt 180 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 270X has 20% more power consumption, than GeForce GTX 670MX SLI.
  • GeForce GTX 670MX SLI is used in Laptops, and Radeon R9 270X - in Desktops.
  • GeForce GTX 670MX SLI is build with Kepler architecture, and Radeon R9 270X - with GCN.
  • GeForce GTX 670MX SLI and Radeon R9 270X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 21−24 24−27
ultra / 1080p 14−16 14−16
QHD / 1440p 8−9 10−11
4K / 2160p 5−6 6−7
low / 720p 40−45 45−50
medium / 1080p 27−30 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 10% more, than GeForce GTX 670MX SLI.

Full Specs

  GeForce GTX 670MX SLI Radeon R9 270X
Architecture Kepler GCN
Code name N13E-GR Curacao XT
Type Laptop Desktop
Release date 1 October 2012 8 October 2013
Pipelines 1920 1280
Core clock speed 600 MHz
Boost Clock 1050 MHz
Transistor count 5080 Million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 84.00
Floating-point performance 2,688 gflops
Memory bus width 2x 192 Bit 256 Bit
Memory clock speed 2800 MHz
Memory bandwidth 179.2 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.1
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan +
CUDA +
FreeSync +
Bus support PCIe 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
Laptop size large
Optimus +
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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