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Radeon HD 7790 - 1
Radeon HD 7850 - 1
Manufacturer:
AMD
AMD
Series:
HD 7xxx (Southern Islands)
HD 7xxx (Southern Islands)
Codename:
Bonaire XT
Pitcairn PRO
Release date:
2013. March 21.
2012. March 18.
Die count:
1
1
Die size:
160 mm2
212 mm2
Fab:
28 nm
28 nm
Transistors:
2080 millions
2800 millions
Bus interface:
PCI-E 3.0 x16
PCI-E 3.0 x16
Clock rates
Core clock:
1000 MHz
860 MHz
Memory clock:
1500 MHz
1200 MHz
Effective memory clock (DDR):
https://gamesystemrequirements.com/
12000 MHz
https://gamesystemrequirements.com/
9600 MHz
Memory
Memory size:
2048, 1024 MB
2048, 1024 MB
Memory bus type:
GDDR5
GDDR5
Memory bus width:
128 bit
256 bit
Memory bandwidth (maximum):
96 GB/s
153.6 GB/s
Core units
Unified shader units:
896
1024
Texture mapping units (TMU):
56
64
Render output units (ROP):
16
32
Compute units:
14
16
Performance
Pixel fillrate:
16 (GP/s)
27.52 (GP/s)
Texture fillrate:
56 (GT/s)
55.04 (GT/s)
Single Precision (peak):
1792 GFLOPS
1761.28 GFLOPS
Double Precision (peak):
128 GFLOPS
110.08 GFLOPS
Supported Technologies:
DirectX:
12
12
Pixel shader:
5.0
5.0
OpenGL:
4.4
4.4
OpenCL:
2.0
1.2
AMD Eyefinity, AMD CrossFire™
AMD Eyefinity, AMD CrossFire™
Thermal Design Power (TDP,Max):
85 W
130 W
Release price (USD):
150 USD
250 USD


Lite versions: