Radeon HD 6550A vs Radeon R9 270X

In this comparison between Radeon HD 6550A and Radeon R9 270X 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 6550A will be the best choice, for others Radeon R9 270X will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6550A Radeon R9 270X
Power consumption (TDP) 35 Watt 180 Watt
Interface MXM-A (3.0) PCIe 3.0 x16
Supplementary power connectors 2 x 6-pin
Memory type GDDR3 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 414% more power consumption, than Radeon HD 6550A.
  • Radeon HD 6550A is connected by MXM-A (3.0), and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon HD 6550A and Radeon R9 270X have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 6550A is build with TeraScale 2 architecture, and Radeon R9 270X - with GCN.
  • Radeon HD 6550A is manufactured by 40 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 24−27
ultra / 1080p 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 1−2 45−50
medium / 1080p 0−1 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 4600% more, than Radeon HD 6550A.

Full Specs

  Radeon HD 6550A Radeon R9 270X
Architecture TeraScale 2 GCN
Code name Pinewood Curacao XT
Type Desktop Desktop
Release date 7 February 2011 8 October 2013
Pipelines 480 1280
Core clock speed 550 MHz
Boost Clock 1050 MHz
Transistor count 627 million 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 13.20 84.00
Floating-point performance 624.0 gflops 2,688 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 1600 MHz
Memory bandwidth 25.6 GB/s 179.2 GB/s
Shared memory -
DirectX 11.2 (11_0)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A +
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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