GeForce GT 745A vs Radeon Pro 555X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 745A and Radeon Pro 555X. 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 GeForce GT 745A and Radeon Pro 555X. 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 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

  GeForce GT 745A Radeon Pro 555X
Power consumption (TDP) 33 Watt 75 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 555X has 127% more power consumption, than GeForce GT 745A.
  • GeForce GT 745A is connected by PCIe 3.0 x16, and Radeon Pro 555X uses PCIe 3.0 x8 interface.
  • GeForce GT 745A and Radeon Pro 555X have maximum RAM of 2 GB.
  • GeForce GT 745A is used in Desktops, and Radeon Pro 555X - in Mobile workstations.
  • GeForce GT 745A is build with Kepler architecture, and Radeon Pro 555X - with Polaris.
  • Core clock speed of Radeon Pro 555X is 18 MHz higher, than GeForce GT 745A.
  • GeForce GT 745A is manufactured by 28 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 3280 MHz higher, than GeForce GT 745A.

Game benchmarks

high / 1080p 2−3 16−18
ultra / 1080p 0−1 10−11
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 12−14 30−35
medium / 1080p 4−5 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 300% more, than GeForce GT 745A.

Full Specs

  GeForce GT 745A Radeon Pro 555X
Architecture Kepler Polaris
Code name GK107 Polaris 21
Type Desktop Mobile workstation
Release date 26 August 2013 5 June 2017
Pipelines 384 768
Core clock speed 837 MHz 855 MHz
Boost Clock 915 MHz
Transistor count 1,270 million 3,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 29.28 43.54
Floating-point performance 642.8 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1800 MHz 5080 MHz
Memory bandwidth 28.8 GB/s 81.6 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA 3.0
FreeSync +
Bitcoin / BTC (SHA256) 26 Mh/s
Laptop size large
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