GeForce GTX 675M vs Radeon HD 6790

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675M and Radeon HD 6790. 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 675M and Radeon HD 6790. 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 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 HD 6790
Power consumption (TDP) 100 Watt 150 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6790 has 50% more power consumption, than GeForce GTX 675M.
  • GeForce GTX 675M is connected by MXM-B (3.0), and Radeon HD 6790 uses PCIe 2.0 x16 interface.
  • GeForce GTX 675M has 1 GB more memory, than Radeon HD 6790.
  • GeForce GTX 675M is used in Laptops, and Radeon HD 6790 - in Desktops.
  • GeForce GTX 675M is build with Fermi architecture, and Radeon HD 6790 - with Terascale 2.
  • Core clock speed of Radeon HD 6790 is 220 MHz higher, than GeForce GTX 675M.
  • GeForce GTX 675M and Radeon HD 6790 are manufactured by 40 nm process technology.
  • Memory clock speed of GeForce GTX 675M is 450 MHz higher, than Radeon HD 6790.

Game benchmarks

high / 1080p 10−11 7−8
ultra / 1080p 6−7 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 18−20
medium / 1080p 12−14 9−10
The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 30% more, than Radeon HD 6790.

Full Specs

  GeForce GTX 675M Radeon HD 6790
Architecture Fermi Terascale 2
Code name N13E-GS1 Barts
Type Laptop Desktop
Release date 22 March 2012 4 April 2011
Pipelines 384 800
Core clock speed 620 MHz 840 MHz
Transistor count 1,950 million 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 39.7 billion/sec 33.60
Floating-point performance 952.3 gflops 1,344.0 gflops
Length 198 mm
Memory bus width 256bit 256 Bit
Memory clock speed 1500 MHz 1050 MHz
Memory bandwidth 96.0 GB/s 134.4 GB/s
Shared memory -
DirectX 12 API 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
CUDA +
CUDA cores 384
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 59 Mh/s 122 Mh/s
Laptop size large
Optimus +
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