Mobility Radeon HD 4870 X2 vs Quadro M520

In this comparison between Mobility Radeon HD 4870 X2 and Quadro M520 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Mobility Radeon HD 4870 X2 will be the best choice, for others Quadro M520 will be their preference. Study the comparison tables below and make your choice.

Mobility Radeon HD 4870 X2 and Quadro M520 are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 X2 and Quadro M520 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 M520 here:

Main Specs

  Mobility Radeon HD 4870 X2 Quadro M520
Power consumption (TDP) 25 Watt
Interface PCIe 2.0 x16
Memory type GDDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs
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  • Mobility Radeon HD 4870 X2 and Quadro M520 have maximum RAM of 2 GB.
  • Mobility Radeon HD 4870 X2 is used in Laptops, and Quadro M520 - in Mobile workstations.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Quadro M520 - with Maxwell.
  • Core clock speed of Quadro M520 is 206 MHz higher, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Quadro M520 - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 9−10
ultra / 1080p 5−6 5−6
QHD / 1440p 0−1 0−1
low / 720p 21−24 21−24
medium / 1080p 12−14 12−14
Mobility Radeon HD 4870 X2 and Quadro M520 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Mobility Radeon HD 4870 X2 Quadro M520
Architecture Terascale 1 Maxwell
Code name M98-XT
Type Laptop Mobile workstation
Release date 9 January 2009 13 January 2017
Pipelines 1600 384
Core clock speed 550 MHz 756 MHz
Boost Clock 1019 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 22.00
Floating-point performance 2x 880.0 gflops
Memory bus width 256 Bit 64 Bit
Memory clock speed 888 MHz
Memory bandwidth 89.6 GB/s 40 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12
Shader Model 4.1 5.0
OpenGL 3.3 4.5
OpenCL 1.1
Vulkan N/A
Laptop size large medium sized
Optimus +
nView Display Management +
3D Stereo +
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