
GeForce GTX 660 OEM and A10 PCIe - video card comparison
GeForce GTX 660 OEM
A10 PCIe
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
GK104
GA102
Market segment
Desktop
Desktop
Release date
August 2012
April 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
8-pin EPS
Boost clock speed
888 MHz
1695 MHz
Core clock speed
823 MHz
-
Floating-point performance
2,046 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
3,540 million
28,300 million
Pipelines / CUDA cores
1152
9216
Power consumption (TDP)
130 Watt
150 Watt
Texture fill rate
85.25
488.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
5600 MHz
12.5 GB/s
Memory bandwidth
179.2 GB/s
600.2 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
8.6
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.2