GeForce GTX 580 vs Quadro K420

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 580 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 580 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.

Main Specs

  GeForce GTX 580 Quadro K420
Power consumption (TDP) 244 Watt 41 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors One 6-pin and One 8-pin None
Memory type GDDR5 128 Bit
Maximum RAM amount 1536 MB 1 GB/2 GB
Display Connectors 2x DVI, 1x mini-HDMI 1x DVI, 1x DisplayPort
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  • GeForce GTX 580 has 495% more power consumption, than Quadro K420.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • GeForce GTX 580 has 1535 GB more memory, than Quadro K420.
  • Both cards are used in Desktops.
  • GeForce GTX 580 is build with Fermi architecture, and Quadro K420 - with Kepler.
  • Core clock speed of GeForce GTX 580 is 668 MHz higher, than Quadro K420.
  • GeForce GTX 580 is manufactured by 40 nm process technology, and Quadro K420 - by 28 nm process technology.
  • Quadro K420 is 150 mm longer, than GeForce GTX 580.
  • Memory clock speed of GeForce GTX 580 is 222 MHz higher, than Quadro K420.

Game benchmarks

high / 1080p 21−24 0−1
ultra / 1080p 14−16 0−1
QHD / 1440p 8−9 0−1
4K / 2160p 6−7
low / 720p 40−45 9−10
medium / 1080p 27−30 1−2
The average gaming FPS of GeForce GTX 580 in Assassin's Creed Odyssey is 600% more, than Quadro K420.

Full Specs

  GeForce GTX 580 Quadro K420
Architecture Fermi Kepler
Code name GF110 GK107
Type Desktop Workstation
Release date 9 November 2010 22 July 2014
Pipelines 512 192
Core clock speed 1544 MHz 876 MHz
Transistor count 3,000 million 1,270 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 49.4 billion/sec 14.02
Floating-point performance 1,581.1 gflops 336.4 gflops
Length 10.5" (267 mm) (26.7 cm) 160 mm
Memory bus width 384 Bit 128 Bit
Memory clock speed 2004 MHz (4008 data rate) 1782 MHz
Memory bandwidth 192.4 GB/s
DirectX 12 (11_0) 12
Shader Model 5.1 5
OpenGL 4.2 4.5
OpenCL 1.1 1.2
Vulkan N/A +
CUDA + 3.0
CUDA cores 512
Bus support PCI-E 2.0 x 16
Height 4.376" (111 mm) (11.1 cm)
SLI options +
Multi monitor support +
HDMI +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 142 Mh/s 11 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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