GeForce GTX 1070 Ti and GeForce GTX 660 Rev. 2 - video card comparison
GeForce GTX 1070 Ti
GeForce GTX 660 Rev. 2
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
Pascal GP104
GK104
Market segment
Desktop
Desktop
Release date
November 2017
September 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Boost clock speed
1683 MHz
1032 MHz
Core clock speed
1607 MHz
980 MHz
Floating-point performance
8,186 gflops
1,981 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
3,540 million
Pipelines / CUDA cores
2432
960
Power consumption (TDP)
180 Watt
140 Watt
Texture fill rate
255.8
82.56
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
8000 MHz
6008 MHz
Memory bandwidth
256.3 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_0)
CUDA
6.1
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
VR Ready
+
-