Radeon HD 5870 vs Radeon HD 7990

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 5870 and Radeon HD 7990. 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 5870 and Radeon HD 7990. 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 5870 Radeon HD 7990
Power consumption (TDP) 188 Watt 375 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 7990 has 99% more power consumption, than Radeon HD 5870.
  • Radeon HD 5870 is connected by PCIe 2.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
  • Radeon HD 7990 has 2 GB more memory, than Radeon HD 5870.
  • Both cards are used in Desktops.
  • Radeon HD 5870 is build with TeraScale 2 architecture, and Radeon HD 7990 - with GCN 1.0.
  • Core clock speed of Radeon HD 7990 is 100 MHz higher, than Radeon HD 5870.
  • Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
  • Radeon HD 7990 is 25 mm longer, than Radeon HD 5870.
  • Memory clock speed of Radeon HD 7990 is 1200 MHz higher, than Radeon HD 5870.

Game benchmarks

high / 1080p 10−12 35−40
ultra / 1080p 6−7 21−24
QHD / 1440p 1−2 16−18
4K / 2160p 10−11
low / 720p 24−27 60−65
medium / 1080p 14−16 40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 227% more, than Radeon HD 5870.

Full Specs

  Radeon HD 5870 Radeon HD 7990
Architecture TeraScale 2 GCN 1.0
Code name Cypress Malta
Type Desktop Desktop
Release date 23 September 2009 24 April 2013
Pipelines 1600 2048
Core clock speed 850 MHz 950 MHz
Boost Clock 1000 MHz
Transistor count 2,154 million 4,313 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 68.00 128.0
Floating-point performance 2,720.0 gflops 2x 4,096 gflops
Length 282 mm 307 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 4800 MHz 6000 MHz
Memory bandwidth 153.6 GB/s 288.0 GB/s
DirectX 11.2 (11_0) 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A 1.2.131
Bitcoin / BTC (SHA256) 459 Mh/s
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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