Radeon R9 270X vs Radeon RX 550X

Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 270X and Radeon RX 550X. 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 R9 270X and Radeon RX 550X. 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.

Main Specs

  Radeon R9 270X Radeon RX 550X
Power consumption (TDP) 180 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors 2 x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 270X has 260% more power consumption, than Radeon RX 550X.
  • Radeon R9 270X is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon RX 550X has 2 GB more memory, than Radeon R9 270X.
  • Both cards are used in Desktops.
  • Radeon R9 270X is build with GCN architecture, and Radeon RX 550X - with GCN 4.0.
  • Radeon R9 270X is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.

Game benchmarks

high / 1080p 24−27 10−11
ultra / 1080p 14−16 6−7
QHD / 1440p 10−11 0−1
4K / 2160p 6−7
low / 720p 45−50 21−24
medium / 1080p 30−35 12−14
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 130% more, than Radeon RX 550X.

Full Specs

  Radeon R9 270X Radeon RX 550X
Architecture GCN GCN 4.0
Code name Curacao XT Lexa
Type Desktop Desktop
Release date 8 October 2013 16 December 2018
Pipelines 1280 512
Core clock speed 1100 MHz
Boost Clock 1050 MHz 1183 MHz
Transistor count 2,800 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 84.00 37.86
Floating-point performance 2,688 gflops 1,211 gflops
Length 145 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 6000 MHz
Memory bandwidth 179.2 GB/s 96 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan + 1.2.131
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
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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