Mobility Radeon HD 4870 X2 vs Quadro K5100M

When choosing between Mobility Radeon HD 4870 X2 and Quadro K5100M, 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 X2 and Quadro K5100M.

Mobility Radeon HD 4870 X2 and Quadro K5100M are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 X2 and Quadro K5100M are only used in laptop graphics. They have 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 X2 or Quadro K5100M here:

Main Specs

  Mobility Radeon HD 4870 X2 Quadro K5100M
Power consumption (TDP) 100 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Memory type GDDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Quadro K5100M uses MXM-B (3.0) interface.
  • Quadro K5100M has 6 GB more memory, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is used in Laptops, and Quadro K5100M - in Mobile workstations.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Quadro K5100M - with Kepler.
  • Core clock speed of Quadro K5100M is 221 MHz higher, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Quadro K5100M - by 28 nm process technology.
  • Memory clock speed of Quadro K5100M is 2712 MHz higher, than Mobility Radeon HD 4870 X2.

Game benchmarks

high / 1080p 9−10 14−16
ultra / 1080p 5−6 8−9
QHD / 1440p 0−1 3−4
low / 720p 21−24 30−35
medium / 1080p 12−14 18−20
The average gaming FPS of Quadro K5100M in Assassin's Creed Odyssey is 50% more, than Mobility Radeon HD 4870 X2.

Full Specs

  Mobility Radeon HD 4870 X2 Quadro K5100M
Architecture Terascale 1 Kepler
Code name M98-XT N15E-Q5-A2
Type Laptop Mobile workstation
Release date 9 January 2009 23 July 2013
Pipelines 1600 1536
Core clock speed 550 MHz 771 MHz
Transistor count 956 million 3,540 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 22.00 98.69
Floating-point performance 2x 880.0 gflops 2,369 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 888 MHz 3600 MHz
Memory bandwidth 89.6 GB/s 115.2 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12
Shader Model 4.1 5
OpenGL 3.3 4.5
OpenCL 1.1 1.2
Vulkan N/A 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 35 Mh/s
Laptop size large large
Optimus +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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