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Radeon R9 270X - 1
GeForce GTX 660 Ti - 1
Manufacturer:
AMD
NVIDIA
Series:
Rx 200
GeForce 600
Codename:
Curaçao XT
GK104-300-KD-A2
Release date:
2013. October 07.
2012. August 15.
Die count:
1
1
Die size:
212 mm2
294 mm2
Fab:
28 nm
28 nm
Transistors:
2800 millions
3540 millions
Bus interface:
PCI-E 3.0 x16
PCI-E 3.0 x16
Clock rates
Core clock:
1000 MHz
915 MHz
Core clock (Boost):
1050 MHz
980 MHz
Shader clock:
915 MHz
Memory clock:
1400 MHz
1502 MHz
Effective memory clock (DDR):
5600 MHz
6008 MHz
Memory
Memory size:
4096, 2048 MB
3072, 2048 MB
Memory bus type:
http://gamesystemrequirements.com/
GDDR5
http://gamesystemrequirements.com/
GDDR5
Memory bus width:
256 bit
192 bit
Memory bandwidth (maximum):
179.2 GB/s
144.2 GB/s
Core units
Unified shader units:
1280
1344
Texture mapping units (TMU):
http://gamesystemrequirements.com/
80
http://gamesystemrequirements.com/
112
Render output units (ROP):
32
24
Compute units:
20
SMX/SMM count:
7
Performance
Pixel fillrate:
32 (GP/s)
22 (GP/s)
Texture fillrate:
http://gamesystemrequirements.com/
80 (GT/s)
http://gamesystemrequirements.com/
102.5 (GT/s)
Single Precision (peak):
2560 GFLOPS
2459.52 GFLOPS
Double Precision (peak):
160 GFLOPS
Supported Technologies:
DirectX:
12
12
Pixel shader:
5.0
5.0
OpenGL:
4.4
4.5
OpenCL:
1.2
1.1
AMD Eyefinity, AMD CrossFire™, AMD TrueAudio
NVIDIA PhysX, NVIDIA Surround, NVIDIA TXAA, NVIDIA Adaptive Vertical Sync, NVIDIA 3D Vision Ready, NVIDIA SLI, NVIDIA G-SYNC
Thermal Design Power (TDP,Max):
180 W
150 W
Energy efficiency:
- Single Precision / TDP:
14.22 GFLOPS/W
16.4 GFLOPS/W
- Double Precision / TDP:
0.89 GFLOPS/W
0 GFLOPS/W
Release price (USD):
199 USD
300 USD
Performance/price ratio:
12.86 GFLOPS/$
8.2 GFLOPS/$
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