Mobility Radeon HD 4870 X2 vs Radeon RX 570X

When choosing between Mobility Radeon HD 4870 X2 and Radeon RX 570X, 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 Radeon RX 570X.

Mobility Radeon HD 4870 X2 is a Laptop Graphics Card

Note: Mobility Radeon HD 4870 X2 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 X2 here:

Main Specs

  Mobility Radeon HD 4870 X2 Radeon RX 570X
Power consumption (TDP) 120 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 3x DisplayPort
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  • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon RX 570X uses PCIe 3.0 x16 interface.
  • Radeon RX 570X has 6 GB more memory, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon RX 570X - in Desktops.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon RX 570X - with GCN 4.0.
  • Core clock speed of Radeon RX 570X is 618 MHz higher, than Mobility Radeon HD 4870 X2.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon RX 570X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 570X is 6112 MHz higher, than Mobility Radeon HD 4870 X2.

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 10−12
Mobility Radeon HD 4870 X2 and Radeon RX 570X have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Mobility Radeon HD 4870 X2 Radeon RX 570X
Architecture Terascale 1 GCN 4.0
Code name M98-XT Polaris 20
Type Laptop Desktop
Release date 9 January 2009 11 April 2018
Pipelines 1600 2048
Core clock speed 550 MHz 1168 MHz
Boost Clock 1244 MHz
Transistor count 956 million 5,700 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 22.00 159.2
Floating-point performance 2x 880.0 gflops 5,095 gflops
Length 241 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 888 MHz 7000 MHz
Memory bandwidth 89.6 GB/s 224.0 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (12_0)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
Laptop size large
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