Radeon HD 4870 X2 vs Radeon Vega 11 mobile

When comparing Radeon HD 4870 X2 and Radeon Vega 11 mobile, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 4870 X2 and Radeon Vega 11 mobile is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon Vega 11 mobile is a Laptop Graphics Card

Note: Radeon Vega 11 mobile 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 Vega 11 mobile here:

Main Specs

  Radeon HD 4870 X2 Radeon Vega 11 mobile
Power consumption (TDP) 286 Watt 15 Watt
Interface PCIe 2.0 x16 IGP
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 System Shared
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x S-Video No outputs
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  • Radeon HD 4870 X2 has 1806% more power consumption, than Radeon Vega 11 mobile.
  • Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon Vega 11 mobile uses IGP interface.
  • Radeon HD 4870 X2 is used in Desktops, and Radeon Vega 11 mobile - in Laptops.
  • Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon Vega 11 mobile - with GCN 5.0.
  • Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon Vega 11 mobile - by 14 nm process technology.

Game benchmarks

high / 1080p 3−4 3−4
ultra / 1080p 1−2 1−2
QHD / 1440p 0−1 0−1
low / 720p 14−16 14−16
medium / 1080p 6−7 6−7
Radeon HD 4870 X2 and Radeon Vega 11 mobile have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 4870 X2 Radeon Vega 11 mobile
Architecture TeraScale GCN 5.0
Code name R700 Picasso
Type Desktop Laptop
Release date 12 August 2008 6 January 2019
Pipelines 800 704
Core clock speed 700 MHz
Boost Clock 1400 MHz
Transistor count 956 million 4,940 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 28.00 61.60
Floating-point performance 2x 1,120.0 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 3600 MHz
Memory bandwidth 115.2 GB/s
DirectX 10.1 (10_1) 12 (12_1)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
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