Radeon Pro 555X vs Radeon R9 270X

Find out if it is worth upgrading your current GPU setup by comparing Radeon Pro 555X and Radeon R9 270X. 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 Radeon Pro 555X and Radeon R9 270X. 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

  Radeon Pro 555X 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
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  • Radeon R9 270X has 140% more power consumption, than Radeon Pro 555X.
  • Radeon Pro 555X is connected by PCIe 3.0 x8, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon Pro 555X and Radeon R9 270X have maximum RAM of 2 GB.
  • Radeon Pro 555X is used in Mobile workstations, and Radeon R9 270X - in Desktops.
  • Radeon Pro 555X is build with Polaris architecture, and Radeon R9 270X - with GCN.
  • Radeon Pro 555X 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 10−11 14−16
QHD / 1440p 4−5 10−11
4K / 2160p 4−5 6−7
low / 720p 30−35 45−50
medium / 1080p 21−24 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 46% more, than Radeon Pro 555X.

Full Specs

  Radeon Pro 555X 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 43.54 84.00
Floating-point performance 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 +
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