Quadro K620 vs Radeon HD 6750

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620 and Radeon HD 6750. 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 6750. 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 6750
Power consumption (TDP) 41 Watt 86 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin
Memory type 128 Bit GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 1x DVI, 1x DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6750 has 109% more power consumption, than Quadro K620.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Quadro K620 has 1 GB more memory, than Radeon HD 6750.
  • Both cards are used in Desktops.
  • Quadro K620 is build with Maxwell architecture, and Radeon HD 6750 - with TeraScale 2.
  • Quadro K620 is manufactured by 28 nm process technology, and Radeon HD 6750 - by 40 nm process technology.
  • Radeon HD 6750 is 10 mm longer, than Quadro K620.
  • Memory clock speed of Quadro K620 is 750 MHz higher, than Radeon HD 6750.

Game benchmarks

high / 1080p 10−12 1−2
ultra / 1080p 6−7 0−1
QHD / 1440p 1−2 0−1
low / 720p 24−27 12−14
medium / 1080p 14−16 3−4
The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 183% more, than Radeon HD 6750.

Full Specs

  Quadro K620 Radeon HD 6750
Architecture Maxwell TeraScale 2
Code name GM107 Juniper
Type Workstation Desktop
Release date 22 July 2014 21 January 2011
Pipelines 384 720
Core clock speed 1058 MHz
Boost Clock 1124 MHz 900 MHz
Transistor count 1,870 million 1,040 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 26.98 25.20
Floating-point performance 863.2 gflops 1,008.0 gflops
Length 160 mm 170 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1800 MHz 1050 MHz
Memory bandwidth 73.6 GB/s
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 92 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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