GeForce GTX 675M vs Quadro K420

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675M and Quadro K420. 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 Quadro K420. 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 Quadro K420
Power consumption (TDP) 100 Watt 41 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 128 Bit
Maximum RAM amount 2 GB 1 GB/2 GB
Display Connectors No outputs 1x DVI, 1x DisplayPort
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  • GeForce GTX 675M has 143% more power consumption, than Quadro K420.
  • GeForce GTX 675M is connected by MXM-B (3.0), and Quadro K420 uses PCIe 2.0 x16 interface.
  • GeForce GTX 675M has 1 GB more memory, than Quadro K420.
  • GeForce GTX 675M is used in Laptops, and Quadro K420 - in Desktops.
  • GeForce GTX 675M is build with Fermi architecture, and Quadro K420 - with Kepler.
  • Core clock speed of Quadro K420 is 256 MHz higher, than GeForce GTX 675M.
  • GeForce GTX 675M is manufactured by 40 nm process technology, and Quadro K420 - by 28 nm process technology.
  • Memory clock speed of Quadro K420 is 282 MHz higher, than GeForce GTX 675M.

Game benchmarks

high / 1080p 10−11 0−1
ultra / 1080p 6−7 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 9−10
medium / 1080p 12−14 1−2
The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 240% more, than Quadro K420.

Full Specs

  GeForce GTX 675M Quadro K420
Architecture Fermi Kepler
Code name N13E-GS1 GK107
Type Laptop Workstation
Release date 22 March 2012 22 July 2014
Pipelines 384 192
Core clock speed 620 MHz 876 MHz
Transistor count 1,950 million 1,270 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 39.7 billion/sec 14.02
Floating-point performance 952.3 gflops 336.4 gflops
Length 160 mm
Memory bus width 256bit 128 Bit
Memory clock speed 1500 MHz 1782 MHz
Memory bandwidth 96.0 GB/s
Shared memory -
DirectX 12 API 12
Shader Model 5.1 5
OpenGL 4.5 4.5
OpenCL 1.1 1.2
Vulkan N/A +
CUDA + 3.0
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 11 Mh/s
Laptop size large
Optimus +
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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