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Radeon HD 6870 - 1
Radeon R7 240 - 1
Manufacturer:
AMD
AMD
Series:
HD 6xxx (Northern Islands)
Rx 200
Codename:
Barts XT
Oland PRO
Release date:
2010. October 22.
2013. October 07.
Die count:
1
https://gamesystemrequirements.com/
1
https://gamesystemrequirements.com/
Die size:
255 mm2
90 mm2
Fab:
40 nm
28 nm
Transistors:
1700 millions
1040 millions
Bus interface:
PCI-E 2.1 x16
PCI-E 3.0 x16
Clock rates
Core clock:
900 MHz
730 MHz
Core clock (Boost):
780 MHz
Memory clock:
1050 MHz
1125 MHz
Effective memory clock (DDR):
8400 MHz
9000 MHz
Memory
Memory size:
1024 MB
2048, 1024 MB
Memory bus type:
https://gamesystemrequirements.com/
GDDR5
https://gamesystemrequirements.com/
GDDR5
Memory bus width:
256 bit
128 bit
Memory bandwidth (maximum):
134.4 GB/s
72 GB/s
Core units
Unified shader units:
1120
320
Texture mapping units (TMU):
56
20
Render output units (ROP):
32
8
Compute units:
14
5
Performance
Pixel fillrate:
28.8 (GP/s)
5.84 (GP/s)
Texture fillrate:
50.4 (GT/s)
14.6 (GT/s)
Single Precision (peak):
2016 GFLOPS
467.2 GFLOPS
Double Precision (peak):
29.2 GFLOPS
Supported Technologies:
DirectX:
11
12
Pixel shader:
5.0
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):
151 W
30 W
Energy efficiency:
- Single Precision / TDP:
13.35 GFLOPS/W
15.57 GFLOPS/W
- Double Precision / TDP:
0 GFLOPS/W
0.97 GFLOPS/W
Release price (USD):
239 USD
69 USD
Performance/price ratio:
8.44 GFLOPS/$
6.77 GFLOPS/$


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