Hawaii and GeForce GTX 660 OEM - video card comparison
Hawaii
GeForce GTX 660 OEM
Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)
GPU code name
Hawaii
GK104
Market segment
Desktop
Desktop
Release date
-
August 2012
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
-
888 MHz
Core clock speed
-
823 MHz
Floating-point performance
-
2,046 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
3,540 million
Pipelines / CUDA cores
2816
1152
Power consumption (TDP)
-
130 Watt
Texture fill rate
-
85.25
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
256 Bit
Memory clock speed
-
5600 MHz
Memory bandwidth
-
179.2 GB/s
Display Connectors
-
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2.170
1.1.126