Radeon HD 6550A vs Radeon HD 6870

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6550A and Radeon HD 6870. 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 6870. 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 6870
Power consumption (TDP) 35 Watt 151 Watt
Interface MXM-A (3.0) PCIe 2.0 x16
Supplementary power connectors 2x 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 6870 has 331% more power consumption, than Radeon HD 6550A.
  • Radeon HD 6550A is connected by MXM-A (3.0), and Radeon HD 6870 uses PCIe 2.0 x16 interface.
  • Radeon HD 6550A has 1 GB more memory, than Radeon HD 6870.
  • Both cards are used in Desktops.
  • Radeon HD 6550A is build with TeraScale 2 architecture, and Radeon HD 6870 - with Terascale 2.
  • Radeon HD 6550A and Radeon HD 6870 are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 6550A is 550 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 0−1 10−12
ultra / 1080p 6−7
QHD / 1440p 0−1 1−2
low / 720p 1−2 24−27
medium / 1080p 0−1 12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 2400% more, than Radeon HD 6550A.

Full Specs

  Radeon HD 6550A Radeon HD 6870
Architecture TeraScale 2 Terascale 2
Code name Pinewood RV940 Barts
Type Desktop Desktop
Release date 7 February 2011 22 October 2010
Pipelines 480 1120
Core clock speed 550 MHz
Boost Clock 900 MHz
Transistor count 627 million 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 13.20 50.40
Floating-point performance 624.0 gflops 2,016.0 gflops
Length 220 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1600 MHz 1050 MHz
Memory bandwidth 25.6 GB/s 134.4 GB/s
Shared memory -
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) 213 Mh/s
Eyefinity +
Design reference
CrossFire +
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