Radeon Pro 555 vs Radeon R9 270X

If you are going to buy a new graphics card and are choosing between Radeon Pro 555 and Radeon R9 270X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon Pro 555 stacks up against Radeon R9 270X, check out specs charts below.

Radeon Pro 555 is a Laptop Graphics Card

Note: Radeon Pro 555 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 555 here:

Main Specs

  Radeon Pro 555 Radeon R9 270X
Power consumption (TDP) 75 Watt 180 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 2 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
  Check Price Check Price
  • Radeon R9 270X has 140% more power consumption, than Radeon Pro 555.
  • Radeon Pro 555 is connected by PCIe 3.0 x8, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon Pro 555 and Radeon R9 270X have maximum RAM of 2 GB.
  • Radeon Pro 555 is used in Mobile workstations, and Radeon R9 270X - in Desktops.
  • Radeon Pro 555 is build with Polaris architecture, and Radeon R9 270X - with GCN.
  • Radeon Pro 555 is manufactured by 14 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 16−18 24−27
ultra / 1080p 9−10 14−16
QHD / 1440p 4−5 10−11
4K / 2160p 4−5 6−7
low / 720p 30−35 45−50
medium / 1080p 20−22 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 57% more, than Radeon Pro 555.

Full Specs

  Radeon Pro 555 Radeon R9 270X
Architecture Polaris GCN
Code name Polaris 21 Curacao XT
Type Mobile workstation Desktop
Release date 5 June 2017 8 October 2013
Pipelines 768 1280
Core clock speed 855 MHz
Boost Clock 1050 MHz
Transistor count 3,000 million 2,800 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 40.80 84.00
Floating-point performance 1,306 gflops 2,688 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 5080 MHz
Memory bandwidth 81.6 GB/s 179.2 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 +
FreeSync + +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
Laptop size large
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
  Check Price Check Price