Quadro P620 vs Radeon HD 4870

When choosing between Quadro P620 and Radeon HD 4870, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Quadro P620 and Radeon HD 4870.

Main Specs

  Quadro P620 Radeon HD 4870
Power consumption (TDP) 40 Watt 150 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors 4x mini-DisplayPort 2x DVI, 1x S-Video
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  • Radeon HD 4870 has 275% more power consumption, than Quadro P620.
  • Quadro P620 is connected by PCIe 3.0 x16, and Radeon HD 4870 uses PCIe 2.0 x16 interface.
  • Quadro P620 has 3 GB more memory, than Radeon HD 4870.
  • Both cards are used in Desktops.
  • Quadro P620 is build with Pascal architecture, and Radeon HD 4870 - with TeraScale.
  • Core clock speed of Quadro P620 is 427 MHz higher, than Radeon HD 4870.
  • Quadro P620 is manufactured by 14 nm process technology, and Radeon HD 4870 - by 55 nm process technology.
  • Radeon HD 4870 is 105 mm longer, than Quadro P620.
  • Memory clock speed of Quadro P620 is 2400 MHz higher, than Radeon HD 4870.

Game benchmarks

high / 1080p 18−20 3−4
ultra / 1080p 10−12 1−2
QHD / 1440p 5−6 0−1
4K / 2160p 4−5
low / 720p 35−40 14−16
medium / 1080p 21−24 6−7
The average gaming FPS of Quadro P620 in Assassin's Creed Odyssey is 266% more, than Radeon HD 4870.

Full Specs

  Quadro P620 Radeon HD 4870
Architecture Pascal TeraScale
Code name GP107 RV770
Type Workstation Desktop
Release date 27 May 2019 25 June 2008
Pipelines 512 800
Core clock speed 1177 MHz 750 MHz
Boost Clock 1442 MHz
Transistor count 3,300 million 956 million
Manufacturing process technology 14 nm 55 nm
Texture fill rate 43.33 30.00
Floating-point performance 1,490 gflops 1,200.0 gflops
Length 145 mm 250 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 6000 MHz 3600 MHz
Memory bandwidth 80.13 GB/s 115.2 GB/s
Shared memory -
DirectX 12 (12_1) 10.1 (10_1)
Shader Model 6.4 4.1
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.2.131 N/A
CUDA 6.1
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