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Radeon HD 7950 - 1
Manufacturer:
AMD
AMD
Series:
HD 7xxx (Southern Islands)
HD 7xxx (Southern Islands)
Codename:
Tahiti PRO2(-H2)
Tahiti PRO(-H)
Release date:
2012. August 13.
2012. January 30.
Die count:
1
1
Die size:
352 mm2
352 mm2
Fab:
28 nm
28 nm
Transistors:
4313 millions
4313 millions
Bus interface:
PCI-E 3.0 x16
PCI-E 3.0 x16
Clock rates
Core clock:
850 MHz
800 MHz
Core clock (Boost):
925 MHz
Memory clock:
1250 MHz
1250 MHz
Effective memory clock (DDR):
10000 MHz
10000 MHz
Memory
Memory size:
3072 MB
3072 MB
Memory bus type:
https://gamesystemrequirements.com/
GDDR5
https://gamesystemrequirements.com/
GDDR5
Memory bus width:
384 bit
384 bit
Memory bandwidth (maximum):
240 GB/s
240 GB/s
Core units
Unified shader units:
1792
1792
Texture mapping units (TMU):
https://gamesystemrequirements.com/
112
https://gamesystemrequirements.com/
112
Render output units (ROP):
32
32
Compute units:
28
Performance
Pixel fillrate:
29.6 (GP/s)
25.6 (GP/s)
Texture fillrate:
https://gamesystemrequirements.com/
103.6 (GT/s)
https://gamesystemrequirements.com/
89.6 (GT/s)
Single Precision (peak):
3046.4 GFLOPS
2867.2 GFLOPS
Double Precision (peak):
761.6 GFLOPS
717 GFLOPS
Supported Technologies:
DirectX:
12
12
Pixel shader:
https://gamesystemrequirements.com/
5.0
https://gamesystemrequirements.com/
5.0
OpenGL:
4.4
4.4
OpenCL:
1.2
1.2
AMD Eyefinity, AMD CrossFire™
AMD Eyefinity, AMD CrossFire™
Thermal Design Power (TDP,Max):
225 W
200 W
Energy efficiency:
- Single Precision / TDP:
13.54 GFLOPS/W
14.34 GFLOPS/W
- Double Precision / TDP:
3.38 GFLOPS/W
3.58 GFLOPS/W
Release price (USD):
449 USD
450 USD
Performance/price ratio:
6.78 GFLOPS/$
6.37 GFLOPS/$


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