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Radeon HD 6990
Manufacturer:AMD
Series:HD 6xxx (Northern Islands)
Codename:Antilles XT
Release date:2011. March 08.
Die count:2
http://gamesystemrequirements.com/
Die size:2x 389 mm2
Fab:40 nm
Transistors:2x 2640 millions
Bus interface:PCI-E 2.1 x16
Radeon HD 6990
Clock rates
Core clock:830 MHz
Memory clock:1250 MHz
Effective memory clock (DDR):5000 MHz
Memory
Memory size:2x 2048 MB
Memory bus type:GDDR5
Memory bus width:2x 256 bit
Memory bandwidth (maximum):2x 160 GB/s
Core units
Unified shader units:
(Stream processors)
2x 1536
Texture mapping units (TMU):2x 96
Render output units (ROP):2x 32
Compute units:2x 24
Performance
Pixel fillrate:2x 26.5 (GP/s)
Texture fillrate:2x 79.6 (GT/s)
Single Precision (peak):5099 GFLOPS
Double Precision (peak):1276.88 GFLOPS
Supported Technologies:
DirectX:11OpenGL:4.4
Pixel shader:
http://gamesystemrequirements.com/
5.0
OpenCL:1.2
Mantle:No
AMD Eyefinity, AMD Crossfire
Thermal Design Power (TDP,Max):375 W
Energy efficiency:
http://gamesystemrequirements.com/
- Single Precision / TDP:13.6 GFLOPS/W
- Double Precision / TDP:3.41 GFLOPS/W
Release price (USD):699 USD
Performance/price ratio:7.29 GFLOPS/$
Performance
(Benchmark):
6 / 10
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Recommended CPUs:
Core i7-3770T
Core i7-2600K
Core i5-5675C
FX-8370
Core i7-2600
FX-8350
Core i5-5675R
FX-8370E
Core i5-6600K
FX-8310
Core i7-4785T
Core i5-6600
Core i5-4690S
Core i7-4765T
Core i5-4690K
Core i5-4690
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