Mobility Radeon HD 4870 X2 vs Quadro P520

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Quadro P520. 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 X2 and Quadro P520. 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 X2 and Quadro P520 are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 X2 and Quadro P520 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 P520 here:

Main Specs

  Mobility Radeon HD 4870 X2 Quadro P520
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 P520 have maximum RAM of 2 GB.
  • Mobility Radeon HD 4870 X2 is used in Laptops, and Quadro P520 - in Mobile workstations.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Quadro P520 - with Pascal.
  • Core clock speed of Quadro P520 is 753 MHz higher, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Quadro P520 - by 14 nm process technology.
  • Memory clock speed of Quadro P520 is 5112 MHz higher, than Mobility Radeon HD 4870 X2.

Game benchmarks

high / 1080p 9−10 10−12
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 1−2
low / 720p 21−24 24−27
medium / 1080p 12−14 12−14
The average gaming FPS of Quadro P520 in Assassin's Creed Odyssey is 16% more, than Mobility Radeon HD 4870 X2.

Full Specs

  Mobility Radeon HD 4870 X2 Quadro P520
Architecture Terascale 1 Pascal
Code name M98-XT
Type Laptop Mobile workstation
Release date 9 January 2009 27 May 2019
Pipelines 1600 384
Core clock speed 550 MHz 1303 MHz
Boost Clock 1493 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 14 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 6000 MHz
Memory bandwidth 89.6 GB/s
Shared memory - -
DirectX 10.1 (10_1) DirectX 12_1
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A +
Laptop size large large
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