Radeon Pro 555X vs Radeon Pro V340 MxGPU

When choosing between Radeon Pro 555X and Radeon Pro V340 MxGPU, 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 Pro 555X and Radeon Pro V340 MxGPU.
Radeon Pro V340 MxGPU

Radeon Pro 555X is a Laptop Graphics Card

Note: Radeon Pro 555X 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 555X here:

Main Specs

  Radeon Pro 555X Radeon Pro V340 MxGPU
Power consumption (TDP) 75 Watt 300 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 2 GB 16 GB
Display Connectors No outputs No outputs
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  • Radeon Pro V340 MxGPU has 300% more power consumption, than Radeon Pro 555X.
  • Radeon Pro 555X is connected by PCIe 3.0 x8, and Radeon Pro V340 MxGPU uses PCIe 3.0 x16 interface.
  • Radeon Pro V340 MxGPU has 14 GB more memory, than Radeon Pro 555X.
  • Radeon Pro 555X is used in Mobile workstations, and Radeon Pro V340 MxGPU - in Desktops.
  • Radeon Pro 555X is build with Polaris architecture, and Radeon Pro V340 MxGPU - with GCN 5.0.
  • Core clock speed of Radeon Pro V340 MxGPU is 145 MHz higher, than Radeon Pro 555X.
  • Radeon Pro 555X and Radeon Pro V340 MxGPU are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 3080 MHz higher, than Radeon Pro V340 MxGPU.

Game benchmarks

high / 1080p 16−18 14−16
ultra / 1080p 10−11 8−9
QHD / 1440p 4−5 3−4
4K / 2160p 4−5
low / 720p 30−35 30−33
medium / 1080p 21−24 18−20
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 13% more, than Radeon Pro V340 MxGPU.

Full Specs

  Radeon Pro 555X Radeon Pro V340 MxGPU
Architecture Polaris GCN 5.0
Code name Polaris 21 Vega 10
Type Mobile workstation Workstation
Release date 5 June 2017 26 August 2018
Pipelines 768 3584
Core clock speed 855 MHz 1000 MHz
Boost Clock 1500 MHz
Transistor count 3,000 million 12,500 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 43.54 336.0
Length 267 mm
Memory bus width 128 Bit 2048 Bit
Memory clock speed 5080 MHz 2000 MHz
Memory bandwidth 81.6 GB/s 512.0 GB/s
Shared memory -
DirectX 12 (12_0) 12 (12_1)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2.131 1.1.125
FreeSync +
Laptop size large
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