GeForce GTX 660 Rev. 2 and A100 PCIe 80 GB - video card comparison
GeForce GTX 660 Rev. 2
A100 PCIe 80 GB
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
GK104
GA100
Market segment
Desktop
Desktop
Release date
September 2014
June 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
8-pin EPS
Boost clock speed
1032 MHz
1410 MHz
Core clock speed
980 MHz
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
3,540 million
54,200 million
Pipelines / CUDA cores
960
6912
Power consumption (TDP)
140 Watt
250 Watt
Texture fill rate
82.56
609.1
Memory type
GDDR5
HBM2e
Maximum RAM amount
2 GB
80 GB
Memory bus width
192 Bit
5120 Bit
Memory clock speed
6008 MHz
3.2 GB/s
Memory bandwidth
144.2 GB/s
2,039 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
N/A
CUDA
3.0
8.0
OpenCL
1.2
3.0
OpenGL
4.6
N/A
Shader Model
5.1
N/A
Vulkan
1.1.126
N/A