Mobility Radeon HD 4870 vs Quadro P620

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 and Quadro P620. 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 4870 and Quadro P620. 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 4870 is a Laptop Graphics Card

Note: Mobility Radeon HD 4870 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 4870 here:

Main Specs

  Mobility Radeon HD 4870 Quadro P620
Power consumption (TDP) 40 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs 4x mini-DisplayPort
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  • Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and Quadro P620 uses PCIe 3.0 x16 interface.
  • Quadro P620 has 3 GB more memory, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is used in Laptops, and Quadro P620 - in Desktops.
  • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Quadro P620 - with Pascal.
  • Core clock speed of Quadro P620 is 627 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Quadro P620 - by 14 nm process technology.
  • Memory clock speed of Quadro P620 is 5112 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 18−20
ultra / 1080p 4−5 10−12
QHD / 1440p 0−1 5−6
4K / 2160p 4−5
low / 720p 16−18 35−40
medium / 1080p 8−9 21−24
The average gaming FPS of Quadro P620 in Assassin's Creed Odyssey is 144% more, than Mobility Radeon HD 4870.

Full Specs

  Mobility Radeon HD 4870 Quadro P620
Architecture Terascale 1 Pascal
Code name M98-XT GP107
Type Laptop Workstation
Release date 9 January 2009 27 May 2019
Pipelines 800 512
Core clock speed 550 MHz 1177 MHz
Boost Clock 1442 MHz
Transistor count 956 million 3,300 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 22.00 43.33
Floating-point performance 880.0 gflops 1,490 gflops
Length 145 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 888 MHz 6000 MHz
Memory bandwidth 56.83 GB/s 80.13 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12 (12_1)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.2.131
CUDA 6.1
Laptop size large
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