Quadro M620 vs Radeon HD 4870 X2

If you are going to buy a new graphics card and are choosing between Quadro M620 and Radeon HD 4870 X2, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Quadro M620 stacks up against Radeon HD 4870 X2, check out specs charts below.
Radeon HD 4870 X2

Quadro M620 is a Laptop Graphics Card

Note: Quadro M620 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 Quadro M620 here:

Main Specs

  Quadro M620 Radeon HD 4870 X2
Power consumption (TDP) 30 Watt 286 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 2x DVI, 1x S-Video
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  • Radeon HD 4870 X2 has 853% more power consumption, than Quadro M620.
  • Quadro M620 has 1 GB more memory, than Radeon HD 4870 X2.
  • Quadro M620 is used in Mobile workstations, and Radeon HD 4870 X2 - in Desktops.
  • Quadro M620 is build with Maxwell architecture, and Radeon HD 4870 X2 - with TeraScale.
  • Core clock speed of Quadro M620 is 318 MHz higher, than Radeon HD 4870 X2.
  • Quadro M620 is manufactured by 28 nm process technology, and Radeon HD 4870 X2 - by 55 nm process technology.
  • Memory clock speed of Quadro M620 is 1412 MHz higher, than Radeon HD 4870 X2.

Game benchmarks

high / 1080p 14−16 3−4
ultra / 1080p 8−9 1−2
QHD / 1440p 3−4 0−1
low / 720p 30−35 14−16
medium / 1080p 18−20 6−7
The average gaming FPS of Quadro M620 in Assassin's Creed Odyssey is 200% more, than Radeon HD 4870 X2.

Full Specs

  Quadro M620 Radeon HD 4870 X2
Architecture Maxwell TeraScale
Code name R700
Type Mobile workstation Desktop
Release date 13 January 2017 12 August 2008
Pipelines 512 800
Core clock speed 1018 MHz 700 MHz
Transistor count 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 28.00
Floating-point performance 2x 1,120.0 gflops
Length 267 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 5012 MHz 3600 MHz
Memory bandwidth 80 GB/s 115.2 GB/s
Shared memory -
DirectX 12 10.1 (10_1)
Shader Model 5.0 4.1
OpenGL 4.5 3.3
OpenCL 1.1
Vulkan N/A
Laptop size large
Optimus +
Display Port 1.2
Mosaic +
nView Display Management +
3D Stereo +
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