GeForce GTX 660 Rev. 2 and P104-100 - video card comparison
GeForce GTX 660 Rev. 2
P104-100
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK104
GP104
Market segment
Desktop
Desktop
Release date
September 2014
December 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 8-pin
Boost clock speed
1032 MHz
1733 MHz
Core clock speed
980 MHz
1607 MHz
Floating-point performance
1,981 gflops
8,873 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
3,540 million
7,200 million
Pipelines / CUDA cores
960
1920
Power consumption (TDP)
140 Watt
-
Texture fill rate
82.56
208.0
Memory type
GDDR5
GDDR5X
Maximum RAM amount
2 GB
4 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
6008 MHz
10008 MHz
Memory bandwidth
144.2 GB/s
320.3 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131