Radeon HD 7870M vs Radeon RX Vega 11

In this comparison between Radeon HD 7870M and Radeon RX Vega 11 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 Radeon HD 7870M will be the best choice, for others Radeon RX Vega 11 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7870M is a Laptop Graphics Card

Note: Radeon HD 7870M 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 HD 7870M here:

Main Specs

  Radeon HD 7870M Radeon RX Vega 11
Power consumption (TDP) 45 Watt 15 Watt
Interface PCIe 3.0 x16 IGP
Supplementary power connectors None
Memory type GDDR5 System Shared
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
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  • Radeon HD 7870M has 200% more power consumption, than Radeon RX Vega 11.
  • Radeon HD 7870M is connected by PCIe 3.0 x16, and Radeon RX Vega 11 uses IGP interface.
  • Radeon HD 7870M is used in Laptops, and Radeon RX Vega 11 - in Desktops.
  • Radeon HD 7870M is build with GCN architecture, and Radeon RX Vega 11 - with Vega.
  • Radeon HD 7870M is manufactured by 28 nm process technology, and Radeon RX Vega 11 - by 14 nm process technology.

Game benchmarks

high / 1080p 6−7 10−11
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 1−2
low / 720p 16−18 21−24
medium / 1080p 8−9 12−14
The average gaming FPS of Radeon RX Vega 11 in Assassin's Creed Odyssey is 44% more, than Radeon HD 7870M.

Full Specs

  Radeon HD 7870M Radeon RX Vega 11
Architecture GCN Vega
Code name Heathrow XT Vega Raven Ridge
Type Laptop Desktop
Release date 24 April 2012 26 October 2017
Pipelines 640 704
Core clock speed 800 MHz
Boost Clock 1240 MHz
Transistor count 1,500 million 4,940 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 32.00 61.60
Floating-point performance 1,024 gflops 1,760 gflops
Memory bus width 128 Bit
Memory clock speed 4000 MHz
Memory bandwidth 64 GB/s
Shared memory - -
DirectX 12 (11_1) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
Laptop size large
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