Quadro K620 vs Radeon HD 4850

Find out if it is worth upgrading your current GPU setup by comparing Quadro K620 and Radeon HD 4850. 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 4850. 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 4850
Power consumption (TDP) 41 Watt 110 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None 1x 6-pin
Memory type 128 Bit GDDR3
Maximum RAM amount 2 GB 512 MB
Display Connectors 1x DVI, 1x DisplayPort 2x DVI, 1x S-Video
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  • Radeon HD 4850 has 168% more power consumption, than Quadro K620.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 4850 has 510 GB more memory, than Quadro K620.
  • Both cards are used in Desktops.
  • Quadro K620 is build with Maxwell architecture, and Radeon HD 4850 - with Terascale 1.
  • Core clock speed of Quadro K620 is 433 MHz higher, than Radeon HD 4850.
  • Quadro K620 is manufactured by 28 nm process technology, and Radeon HD 4850 - by 55 nm process technology.
  • Radeon HD 4850 is 86 mm longer, than Quadro K620.
  • Memory clock speed of Quadro K620 is 807 MHz higher, than Radeon HD 4850.

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 4850.

Full Specs

  Quadro K620 Radeon HD 4850
Architecture Maxwell Terascale 1
Code name GM107 RV770
Type Workstation Desktop
Release date 22 July 2014 25 June 2008
Pipelines 384 800
Core clock speed 1058 MHz 625 MHz
Boost Clock 1124 MHz
Transistor count 1,870 million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 26.98 25.00
Floating-point performance 863.2 gflops 1,000.0 gflops
Length 160 mm 246 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1800 MHz 993 MHz
Memory bandwidth 63.55 GB/s
DirectX 12 10.1 (10_1)
Shader Model 5 4.1
OpenGL 4.5 3.3
OpenCL 1.2 1.1
Vulkan + N/A
CUDA 5.0
Bitcoin / BTC (SHA256) 104 Mh/s
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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