Radeon HD 6740G2 vs Radeon Pro 555

In this comparison between Radeon HD 6740G2 and Radeon Pro 555 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 6740G2 will be the best choice, for others Radeon Pro 555 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 6740G2 and Radeon Pro 555 are Laptop Graphics Cards

Note: Radeon HD 6740G2 and Radeon Pro 555 are only used in laptop graphics. They have 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 6740G2 or Radeon Pro 555 here:

Main Specs

  Radeon HD 6740G2 Radeon Pro 555
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors No outputs
  Check Price Check Price
  • Radeon HD 6740G2 is used in Laptops, and Radeon Pro 555 - in Mobile workstations.
  • Radeon HD 6740G2 is build with Terascale 2 architecture, and Radeon Pro 555 - with Polaris.
  • Radeon HD 6740G2 is manufactured by 40 nm process technology, and Radeon Pro 555 - by 14 nm process technology.

Game benchmarks

high / 1080p 0−1 16−18
ultra / 1080p 0−1 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 10−12 30−35
medium / 1080p 2−3 20−22
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 333% more, than Radeon HD 6740G2.

Full Specs

  Radeon HD 6740G2 Radeon Pro 555
Architecture Terascale 2 Polaris
Code name Polaris 21
Type Laptop Mobile workstation
Release date 14 June 2011 5 June 2017
Pipelines 880 768
Core clock speed 855 MHz
Transistor count 3,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 40.80
Floating-point performance 1,306 gflops
Memory bus width 128 Bit
Memory clock speed 5080 MHz
Memory bandwidth 81.6 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0 12 (12_0)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.0
Vulkan 1.2.131
FreeSync +
Laptop size medium sized large
  Check Price Check Price