GeForce GTX 675MX vs Radeon RX 550X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675MX and Radeon RX 550X. 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 675MX and Radeon RX 550X. 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 675MX is a Laptop Graphics Card

Note: GeForce GTX 675MX 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 675MX here:

Main Specs

  GeForce GTX 675MX Radeon RX 550X
Power consumption (TDP) 100 Watt 50 Watt
Interface MXM-B (3.0) PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 675MX has 100% more power consumption, than Radeon RX 550X.
  • GeForce GTX 675MX is connected by MXM-B (3.0), and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon RX 550X has 2 GB more memory, than GeForce GTX 675MX.
  • GeForce GTX 675MX is used in Laptops, and Radeon RX 550X - in Desktops.
  • GeForce GTX 675MX is build with Kepler architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 500 MHz higher, than GeForce GTX 675MX.
  • GeForce GTX 675MX is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X is 4200 MHz higher, than GeForce GTX 675MX.

Game benchmarks

high / 1080p 9−10 10−11
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 0−1
low / 720p 21−24 21−24
medium / 1080p 12−14 12−14
The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 8% more, than GeForce GTX 675MX.

Full Specs

  GeForce GTX 675MX Radeon RX 550X
Architecture Kepler GCN 4.0
Code name N13E-GSR Lexa
Type Laptop Desktop
Release date 1 October 2012 16 December 2018
Pipelines 960 512
Core clock speed 600 MHz 1100 MHz
Boost Clock 1183 MHz
Transistor count 3,540 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 48.0 billion/sec 37.86
Floating-point performance 1,256 gflops 1,211 gflops
Length 145 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1800 MHz 6000 MHz
Memory bandwidth 115.2 GB/s 96 GB/s
Shared memory -
DirectX 12 API 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 960
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 63 Mh/s
Laptop size large
Optimus +
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