Radeon HD 6870 vs Radeon Pro Vega 20

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6870 and Radeon Pro Vega 20. 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 Radeon HD 6870 and Radeon Pro Vega 20. 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.

Radeon Pro Vega 20 is a Laptop Graphics Card

Note: Radeon Pro Vega 20 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 Pro Vega 20 here:

Main Specs

  Radeon HD 6870 Radeon Pro Vega 20
Power consumption (TDP) 151 Watt 100 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 1x 6-pin + 1x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 6870 has 51% more power consumption, than Radeon Pro Vega 20.
  • Radeon HD 6870 is connected by PCIe 2.0 x16, and Radeon Pro Vega 20 uses PCIe 3.0 x16 interface.
  • Radeon Pro Vega 20 has 3 GB more memory, than Radeon HD 6870.
  • Radeon HD 6870 is used in Desktops, and Radeon Pro Vega 20 - in Mobile workstations.
  • Radeon HD 6870 is build with Terascale 2 architecture, and Radeon Pro Vega 20 - with Vega.
  • Radeon HD 6870 is manufactured by 40 nm process technology, and Radeon Pro Vega 20 - by 14 nm process technology.
  • Memory clock speed of Radeon Pro Vega 20 is 430 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 10−12 35−40
ultra / 1080p 6−7 21−24
QHD / 1440p 1−2 16−18
4K / 2160p 10−11
low / 720p 24−27 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 227% more, than Radeon HD 6870.

Full Specs

  Radeon HD 6870 Radeon Pro Vega 20
Architecture Terascale 2 Vega
Code name RV940 Barts Vega Mobile
Type Desktop Mobile workstation
Release date 22 October 2010 15 November 2018
Pipelines 1120 1280
Core clock speed 815 MHz
Boost Clock 900 MHz 1283 MHz
Transistor count 1,700 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 50.40 102.6
Floating-point performance 2,016.0 gflops
Length 220 mm
Memory bus width 256 Bit 1024 Bit
Memory clock speed 1050 MHz 1480 MHz
Memory bandwidth 134.4 GB/s 189.4 GB/s
Shared memory - -
DirectX 12 (12_1)
Shader Model 5.0 6.3
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 213 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
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