Radeon HD 7970 vs Radeon RX 550 mobile

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7970 and Radeon RX 550 mobile. 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 7970 and Radeon RX 550 mobile. 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.

Radeon RX 550 mobile is a Laptop Graphics Card

Note: Radeon RX 550 mobile is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 550 mobile here:

Main Specs

  Radeon HD 7970 Radeon RX 550 mobile
Power consumption (TDP) 300 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 7970 has 500% more power consumption, than Radeon RX 550 mobile.
  • Radeon HD 7970 is connected by PCIe 3.0 x16, and Radeon RX 550 mobile uses PCIe 3.0 x8 interface.
  • Radeon RX 550 mobile has 1 GB more memory, than Radeon HD 7970.
  • Radeon HD 7970 is used in Desktops, and Radeon RX 550 mobile - in Laptops.
  • Radeon HD 7970 is build with GCN architecture, and Radeon RX 550 mobile - with Polaris.
  • Radeon HD 7970 is manufactured by 28 nm process technology, and Radeon RX 550 mobile - by 14 nm process technology.
  • Memory clock speed of Radeon RX 550 mobile is 4625 MHz higher, than Radeon HD 7970.

Game benchmarks

high / 1080p 35−40 18−20
ultra / 1080p 21−24 10−12
QHD / 1440p 16−18 5−6
4K / 2160p 10−11 4−5
low / 720p 60−65 35−40
medium / 1080p 40−45 24−27
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 88% more, than Radeon RX 550 mobile.

Full Specs

  Radeon HD 7970 Radeon RX 550 mobile
Architecture GCN Polaris
Code name Tahiti XT Polaris 12
Type Desktop Laptop
Release date 22 December 2011 21 March 2017
Pipelines 2048 640
Core clock speed 1287 MHz
Boost Clock 925 MHz 1476 MHz
Transistor count 4,313 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 118.4 51.48
Floating-point performance 3,789 gflops 1,647 gflops
Length 274 mm
Memory bus width 384 Bit 128 Bit
Memory clock speed 1375 MHz 6000 MHz
Memory bandwidth 264 GB/s 96 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
FreeSync + +
Bus support PCIe 2.1 x16
HDMI +
Bitcoin / BTC (SHA256) 485 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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