Radeon HD 6870 vs Radeon RX 550

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6870 and Radeon RX 550. 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 6870 and Radeon RX 550. 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 6870 Radeon RX 550
Power consumption (TDP) 151 Watt 50 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 2x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6870 has 202% more power consumption, than Radeon RX 550.
  • Radeon HD 6870 is connected by PCIe 2.0 x16, and Radeon RX 550 uses PCIe 3.0 x8 interface.
  • Radeon RX 550 has 3 GB more memory, than Radeon HD 6870.
  • Both cards are used in Desktops.
  • Radeon HD 6870 is build with Terascale 2 architecture, and Radeon RX 550 - with GCN 4.0.
  • Radeon HD 6870 is manufactured by 40 nm process technology, and Radeon RX 550 - by 14 nm process technology.
  • Radeon HD 6870 is 75 mm longer, than Radeon RX 550.
  • Memory clock speed of Radeon RX 550 is 5950 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 10−12 14−16
ultra / 1080p 6−7 8−9
QHD / 1440p 1−2 3−4
low / 720p 24−27 30−33
medium / 1080p 12−14 18−20
The average gaming FPS of Radeon RX 550 in Assassin's Creed Odyssey is 36% more, than Radeon HD 6870.

Full Specs

  Radeon HD 6870 Radeon RX 550
Architecture Terascale 2 GCN 4.0
Code name RV940 Barts Lexa
Type Desktop Desktop
Release date 22 October 2010 20 April 2017
Pipelines 1120 512
Core clock speed 1100 MHz
Boost Clock 900 MHz 1183 MHz
Transistor count 1,700 million 2,200 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 50.40 37.86
Floating-point performance 2,016.0 gflops 1,211 gflops
Length 220 mm 145 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1050 MHz 7000 MHz
Memory bandwidth 134.4 GB/s 112.0 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 213 Mh/s
Eyefinity +
Design reference
CrossFire +
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