Radeon HD 7990
Series:HD 7xxx (Southern Islands)
Release date:2013. April 23.
Die count:2
Die size:2x 352 mm2
Fab:28 nm
Transistors:2x 4313 millions
Bus interface:PCI-E 3.0 x16
Radeon HD 7990
Clock rates
Core clock:950 MHz
Core clock (Boost):1000 MHz
Memory clock:1500 MHz
Effective memory clock (DDR):6000 MHz
Memory size:2x 3072 MB
Memory bus type:
Memory bus width:2x 384 bit
Memory bandwidth (maximum):2x 288 GB/s
Core units
Unified shader units:
(Stream processors)
2x 2048
Texture mapping units (TMU):
2x 128
Render output units (ROP):2x 32
Compute units:2x 32
Pixel fillrate:2x 32 (GP/s)
Texture fillrate:
2x 128 (GT/s)
Single Precision (peak):8200 GFLOPS
Double Precision (peak):1894 GFLOPS
Supported Technologies:
Pixel shader:
AMD Eyefinity, AMD CrossFire™
Thermal Design Power (TDP,Max):375 W
Energy efficiency:
- Single Precision / TDP:21.87 GFLOPS/W
- Double Precision / TDP:5.05 GFLOPS/W
Release price (USD):1000 USD
Performance/price ratio:8.2 GFLOPS/$
7 / 10
Recommended CPUs:
Core i9-7980XE
Core i9-7960X
Core i9-7940X
Core i9-7920X
Core i9-7900X
Core i7-7820X
Core i7-6950X
Core i7-6900K
Ryzen Threadripper 1950X
Core i7-8700K
Core i7-5960X
Core i7-7800X
Core i7-8700
Core i7-6850K
Core i7-6800K
Core i7-7740X
Core i7-4960X
Core i7-5930K
Core i5-8600K
Core i7-3970X
Core i7-4930K
Core i7-5820K
Core i7-7700K
Core i7-3960X
Core i5-8400
Core i7-3930K
Core i7-6700K
Core i7-5775R
Ryzen Threadripper 1920X
Ryzen 7 1800X
Core i7-4790K
Core i7-5775C
Core i7-7700
Core i7-4770R
Ryzen Threadripper 1900X
Core i7-4820K
Core i7-6700
Core i7-3820
Core i7-4790S
Core i3-8350K
Core i7-3770K
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