Radeon HD 7870 XT vs Radeon RX Vega 8 Ryzen 4000

When choosing between Radeon HD 7870 XT and Radeon RX Vega 8 Ryzen 4000, 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 Radeon HD 7870 XT and Radeon RX Vega 8 Ryzen 4000.

Radeon RX Vega 8 Ryzen 4000 is a Laptop Graphics Card

Note: Radeon RX Vega 8 Ryzen 4000 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 Radeon RX Vega 8 Ryzen 4000 here:

Main Specs

  Radeon HD 7870 XT Radeon RX Vega 8 Ryzen 4000
Power consumption (TDP) 185 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7870 XT is used in Desktops, and Radeon RX Vega 8 Ryzen 4000 - in Laptops.
  • Radeon HD 7870 XT is build with GCN 1.0 architecture, and Radeon RX Vega 8 Ryzen 4000 - with Vega.
  • Radeon HD 7870 XT is manufactured by 28 nm process technology, and Radeon RX Vega 8 Ryzen 4000 - by 7 nm process technology.

Game benchmarks

high / 1080p 35−40 20−22
ultra / 1080p 21−24 12−14
QHD / 1440p 16−18 6−7
4K / 2160p 10−11 5−6
low / 720p 60−65 35−40
medium / 1080p 40−45 24−27
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 77% more, than Radeon RX Vega 8 Ryzen 4000.

Full Specs

  Radeon HD 7870 XT Radeon RX Vega 8 Ryzen 4000
Architecture GCN 1.0 Vega
Code name Tahiti Vega Raven Ridge
Type Desktop Laptop
Release date 19 November 2012 7 January 2020
Pipelines 1536 512
Core clock speed 925 MHz
Boost Clock 975 MHz 1750 MHz
Transistor count 4,313 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 93.60
Floating-point performance 2,995 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 6000 MHz
Memory bandwidth 192.0 GB/s
Shared memory -
DirectX 12 (11_1) DirectX 12_1
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 346 Mh/s
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s
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