Mobility Radeon HD 4870 vs P106 100

When choosing between Mobility Radeon HD 4870 and P106 100, 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 Mobility Radeon HD 4870 and P106 100.

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 P106 100
Power consumption (TDP) 120 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 6 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4870 is connected by PCIe 2.0 x16, and P106 100 uses PCIe 3.0 x16 interface.
  • P106 100 has 5 GB more memory, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is used in Laptops, and P106 100 - in Desktops.
  • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and P106 100 - with Pascal.
  • Core clock speed of P106 100 is 956 MHz higher, than Mobility Radeon HD 4870.
  • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and P106 100 - by 16 nm process technology.
  • Memory clock speed of P106 100 is 7120 MHz higher, than Mobility Radeon HD 4870.

Game benchmarks

high / 1080p 7−8 35−40
ultra / 1080p 4−5 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 16−18 60−65
medium / 1080p 8−9 40−45
The average gaming FPS of P106 100 in Assassin's Creed Odyssey is 355% more, than Mobility Radeon HD 4870.

Full Specs

  Mobility Radeon HD 4870 P106 100
Architecture Terascale 1 Pascal
Code name M98-XT GP106
Type Laptop Desktop
Release date 9 January 2009 19 June 2017
Pipelines 800 1280
Core clock speed 550 MHz 1506 MHz
Boost Clock 1709 MHz
Transistor count 956 million 4,400 million
Manufacturing process technology 55 nm 16 nm
Texture fill rate 22.00 136.7
Floating-point performance 880.0 gflops 4,375 gflops
Length 250 mm
Memory bus width 256 Bit 192 Bit
Memory clock speed 888 MHz 8008 MHz
Memory bandwidth 56.83 GB/s 192.2 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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