Radeon HD 6550A vs Radeon HD 7950

When choosing between Radeon HD 6550A and Radeon HD 7950, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6550A and Radeon HD 7950.

Main Specs

  Radeon HD 6550A Radeon HD 7950
Power consumption (TDP) 35 Watt 200 Watt
Interface MXM-A (3.0) PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 2 GB 3 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7950 has 471% more power consumption, than Radeon HD 6550A.
  • Radeon HD 6550A is connected by MXM-A (3.0), and Radeon HD 7950 uses PCIe 3.0 x16 interface.
  • Radeon HD 7950 has 1 GB more memory, than Radeon HD 6550A.
  • Both cards are used in Desktops.
  • Radeon HD 6550A is build with TeraScale 2 architecture, and Radeon HD 7950 - with GCN 1.0.
  • Radeon HD 6550A is manufactured by 40 nm process technology, and Radeon HD 7950 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 6550A is 350 MHz higher, than Radeon HD 7950.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 1−2 60−65
medium / 1080p 0−1 40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 6100% more, than Radeon HD 6550A.

Full Specs

  Radeon HD 6550A Radeon HD 7950
Architecture TeraScale 2 GCN 1.0
Code name Pinewood Tahiti
Type Desktop Desktop
Release date 7 February 2011 31 January 2012
Pipelines 480 1792
Core clock speed 550 MHz
Boost Clock 1250 MHz
Transistor count 627 million 4,313 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 13.20 89.60
Floating-point performance 624.0 gflops 2,867 gflops
Length 267 mm
Memory bus width 128 Bit 384 Bit
Memory clock speed 1600 MHz 1250 MHz
Memory bandwidth 25.6 GB/s 240 GB/s
DirectX 11.2 (11_0)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A
Monero / XMR (CryptoNight) 0.56 kh/s
FreeSync +
Bus support PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 381 Mh/s
Eyefinity +
PowerTune +
ZeroCore +
Design reference
Number of Eyefinity displays 6
CrossFire +
Decred / DCR (Decred) 0.78 Gh/s
Ethereum / ETH (DaggerHashimoto) 13.86 Mh/s
Zcash / ZEC (Equihash) 250 Sol/s
Compute units 28
AppAcceleration +
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