Radeon HD 7990 vs Radeon R9 FURY X

If you are going to buy a new graphics card and are choosing between Radeon HD 7990 and Radeon R9 FURY X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7990 stacks up against Radeon R9 FURY X, check out specs charts below.

Main Specs

  Radeon HD 7990 Radeon R9 FURY X
Power consumption (TDP) 375 Watt 275 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin 2x 8-pin
Memory type GDDR5 High Bandwidth Memory (HBM)
Maximum RAM amount 3 GB 4 GB
Display Connectors 1x DVI, 4x mini-DisplayPort 1x HDMI, 3x DisplayPort
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  • Radeon HD 7990 has 36% more power consumption, than Radeon R9 FURY X.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 FURY X has 1 GB more memory, than Radeon HD 7990.
  • Both cards are used in Desktops.
  • Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon R9 FURY X - with GCN 3.0.
  • Radeon HD 7990 and Radeon R9 FURY X are manufactured by 28 nm process technology.
  • Radeon HD 7990 is 116 mm longer, than Radeon R9 FURY X.
  • Memory clock speed of Radeon HD 7990 is 4950 MHz higher, than Radeon R9 FURY X.

Game benchmarks

high / 1080p 35−40 50−55
ultra / 1080p 21−24 30−35
QHD / 1440p 16−18 27−30
4K / 2160p 10−11 14−16
low / 720p 60−65 75−80
medium / 1080p 40−45 60−65
The average gaming FPS of Radeon R9 FURY X in Assassin's Creed Odyssey is 37% more, than Radeon HD 7990.

Full Specs

  Radeon HD 7990 Radeon R9 FURY X
Architecture GCN 1.0 GCN 3.0
Code name Malta Fiji
Type Desktop Desktop
Release date 24 April 2013 24 June 2015
Pipelines 2048 4096
Core clock speed 950 MHz
Boost Clock 1000 MHz 1050 MHz
Transistor count 4,313 million 8,900 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 128.0 268.8
Floating-point performance 2x 4,096 gflops 8,602 gflops
Length 307 mm 191 mm
Memory bus width 384 Bit 4096 Bit
Memory clock speed 6000 MHz 1050 MHz
Memory bandwidth 288.0 GB/s 512 GB/s
DirectX 12 (11_1)
Shader Model 5.1 6.3
OpenGL 4.6 4.5
OpenCL 1.2 2.0
Vulkan 1.2.131 +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 459 Mh/s 858 Mh/s
Eyefinity +
HD3D +
PowerTune +
TrueAudio +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 44 Mh/s 33.4 Mh/s
Compute units 64
AppAcceleration +
High bandwidth memory (HBM) +
LiquidVR +
TressFX +
UVD +
FRTC +
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