GeForce GTX 680 Mac Edition and GeForce GTX 1660 - video card comparison
GeForce GTX 680 Mac Edition
GeForce GTX 1660
Architecture
Kepler (2012−2018)
Turing (2018−2021)
GPU code name
GK104
Turing TU116
Market segment
Desktop
Desktop
Release date
April 2013
March 2019
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 8-pin
Boost clock speed
1058 MHz
1785 MHz
Core clock speed
1006 MHz
1530 MHz
Floating-point performance
3,250 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
3,540 million
6,600 million
Pipelines / CUDA cores
1536
1408
Power consumption (TDP)
195 Watt
120 Watt
Texture fill rate
135.4
157.1
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
6 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
6008 MHz
8000 MHz
Memory bandwidth
192.3 GB/s
192.1 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
7.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2.131