Radeon HD 7850 vs Radeon HD 7970

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7850 and Radeon HD 7970. 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 7850 and Radeon HD 7970. 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 7850 Radeon HD 7970
Power consumption (TDP) 225 Watt 300 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 3 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7970 has 33% more power consumption, than Radeon HD 7850.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon HD 7970 has 1 GB more memory, than Radeon HD 7850.
  • Both cards are used in Desktops.
  • Radeon HD 7850 is build with GCN 1.0 architecture, and Radeon HD 7970 - with GCN.
  • Radeon HD 7850 and Radeon HD 7970 are manufactured by 28 nm process technology.
  • Radeon HD 7970 is 64 mm longer, than Radeon HD 7850.
  • Memory clock speed of Radeon HD 7970 is 175 MHz higher, than Radeon HD 7850.

Game benchmarks

high / 1080p 18−20 35−40
ultra / 1080p 10−12 21−24
QHD / 1440p 5−6 16−18
4K / 2160p 4−5 10−11
low / 720p 35−40 60−65
medium / 1080p 24−27 40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 88% more, than Radeon HD 7850.

Full Specs

  Radeon HD 7850 Radeon HD 7970
Architecture GCN 1.0 GCN
Code name Pitcairn Tahiti XT
Type Desktop Desktop
Release date 5 March 2012 22 December 2011
Pipelines 1024 2048
Boost Clock 1000 MHz 925 MHz
Transistor count 2,800 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 55.04 118.4
Floating-point performance 1,761 gflops 3,789 gflops
Length 210 mm 274 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 1200 MHz 1375 MHz
Memory bandwidth 153.6 GB/s 264 GB/s
Shared memory -
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
FreeSync + +
Bus support PCIe 2.1 x16 PCIe 2.1 x16
HDMI + +
Bitcoin / BTC (SHA256) 249 Mh/s 485 Mh/s
Eyefinity + +
Design reference reference
CrossFire + +
Ethereum / ETH (DaggerHashimoto) 12.5 Mh/s 20.71 Mh/s
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