Mobility Radeon HD 5870 vs Quadro K620

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 5870 and Quadro K620. 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 Mobility Radeon HD 5870 and Quadro K620. 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.

Mobility Radeon HD 5870 is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 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 Mobility Radeon HD 5870 here:

Main Specs

  Mobility Radeon HD 5870 Quadro K620
Power consumption (TDP) 50 Watt 41 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type DDR3, GDDR3, GDDR5 128 Bit
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs 1x DVI, 1x DisplayPort
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  • Mobility Radeon HD 5870 has 21% more power consumption, than Quadro K620.
  • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Quadro K620 uses PCIe 2.0 x16 interface.
  • Quadro K620 has 1 GB more memory, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is used in Laptops, and Quadro K620 - in Desktops.
  • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Quadro K620 - with Maxwell.
  • Core clock speed of Quadro K620 is 358 MHz higher, than Mobility Radeon HD 5870.
  • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Quadro K620 - by 28 nm process technology.
  • Memory clock speed of Quadro K620 is 800 MHz higher, than Mobility Radeon HD 5870.

Game benchmarks

high / 1080p 10−11 10−12
ultra / 1080p 6−7 6−7
QHD / 1440p 0−1 1−2
low / 720p 21−24 24−27
medium / 1080p 12−14 14−16
The average gaming FPS of Quadro K620 in Assassin's Creed Odyssey is 7% more, than Mobility Radeon HD 5870.

Full Specs

  Mobility Radeon HD 5870 Quadro K620
Architecture Terascale 2 Maxwell
Code name Broadway-XT GM107
Type Laptop Workstation
Release date 7 January 2010 22 July 2014
Pipelines 800 384
Core clock speed 700 MHz 1058 MHz
Boost Clock 1124 MHz
Transistor count 1,040 million 1,870 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 28.00 26.98
Floating-point performance 1,120.0 gflops 863.2 gflops
Length 160 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1000 MHz 1800 MHz
Memory bandwidth 64 GB/s
Shared memory -
DirectX 11.2 (11_0) 12
Shader Model 5.0 5
OpenGL 4.4 4.5
OpenCL 1.2 1.2
Vulkan N/A +
CUDA 5.0
Bitcoin / BTC (SHA256) 104 Mh/s
Laptop size large
3D Vision Pro +
Mosaic +
Width 1" (2.5 cm)
Number of simultaneous displays 4
nView Desktop Management +
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