Radeon HD 6550A vs Radeon HD 6770

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6550A and Radeon HD 6770. 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 HD 6550A and Radeon HD 6770. 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 HD 6550A Radeon HD 6770
Power consumption (TDP) 35 Watt 108 Watt
Interface MXM-A (3.0) PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6770 has 208% more power consumption, than Radeon HD 6550A.
  • Radeon HD 6550A is connected by MXM-A (3.0), and Radeon HD 6770 uses PCIe 2.0 x16 interface.
  • Radeon HD 6550A has 1 GB more memory, than Radeon HD 6770.
  • Both cards are used in Desktops.
  • Radeon HD 6550A and Radeon HD 6770 are build with TeraScale 2 architecture.
  • Radeon HD 6550A and Radeon HD 6770 are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 6550A is 550 MHz higher, than Radeon HD 6770.

Game benchmarks

high / 1080p 0−1 3−4
ultra / 1080p 1−2
QHD / 1440p 0−1 0−1
low / 720p 1−2 14−16
medium / 1080p 0−1 5−6
The average gaming FPS of Radeon HD 6770 in Assassin's Creed Odyssey is 1400% more, than Radeon HD 6550A.

Full Specs

  Radeon HD 6550A Radeon HD 6770
Architecture TeraScale 2 TeraScale 2
Code name Pinewood Juniper
Type Desktop Desktop
Release date 7 February 2011 21 January 2011
Pipelines 480 800
Core clock speed 550 MHz
Boost Clock 900 MHz
Transistor count 627 million 1,040 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 13.20 34.00
Floating-point performance 624.0 gflops 1,360.0 gflops
Length 198 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1600 MHz 1050 MHz
Memory bandwidth 25.6 GB/s 76.8 GB/s
DirectX 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 118 Mh/s
Eyefinity +
Design reference
CrossFire +
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