Quadro K620 vs Radeon HD 6950

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620 and Radeon HD 6950. 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 Quadro K620 and Radeon HD 6950. 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

  Quadro K620 Radeon HD 6950
Power consumption (TDP) 41 Watt 500 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type 128 Bit GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6950 has 1119% more power consumption, than Quadro K620.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Quadro K620 and Radeon HD 6950 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Quadro K620 is build with Maxwell architecture, and Radeon HD 6950 - with TeraScale 3.
  • Quadro K620 is manufactured by 28 nm process technology, and Radeon HD 6950 - by 40 nm process technology.
  • Radeon HD 6950 is 107 mm longer, than Quadro K620.
  • Memory clock speed of Quadro K620 is 550 MHz higher, than Radeon HD 6950.

Game benchmarks

high / 1080p 10−12 14−16
ultra / 1080p 6−7 8−9
QHD / 1440p 1−2 3−4
low / 720p 24−27 27−30
medium / 1080p 14−16 16−18
The average gaming FPS of Radeon HD 6950 in Assassin's Creed Odyssey is 27% more, than Quadro K620.

Full Specs

  Quadro K620 Radeon HD 6950
Architecture Maxwell TeraScale 3
Code name GM107 Cayman
Type Workstation Desktop
Release date 22 July 2014 14 December 2010
Pipelines 384 1408
Core clock speed 1058 MHz
Boost Clock 1124 MHz 800 MHz
Transistor count 1,870 million 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 26.98 70.40
Floating-point performance 863.2 gflops 2,252.8 gflops
Length 160 mm 267 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1800 MHz 1250 MHz
DirectX 12
Shader Model 5 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
Vulkan +
CUDA 5.0
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 104 Mh/s 244 Mh/s
Eyefinity +
Design reference
CrossFire +
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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