GeForce GTX 1660 Super and GeForce 8800 GTS 640 - video card comparison
GeForce GTX 1660 Super
GeForce 8800 GTS 640
Architecture
Turing (2018−2021)
Tesla (2006−2010)
GPU code name
Turing TU116
G80
Market segment
Desktop
Desktop
Release date
October 2019
November 2006
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Boost clock speed
1785 MHz
-
Core clock speed
1530 MHz
513 MHz
Floating-point performance
-
228.1 gflops
Manufacturing process technology
12 nm
90 nm
Number of transistors
6,600 million
681 million
Pipelines / CUDA cores
1408
96
Power consumption (TDP)
125 Watt
143 Watt
Texture fill rate
157.1
24.62
Memory type
GDDR6
GDDR3
Maximum RAM amount
6 GB
640 MB
Memory bus width
192 Bit
320 Bit
Memory clock speed
14000 MHz
1584 MHz
Memory bandwidth
336.0 GB/s
63.36 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
HDCP
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
11.1 (10_0)
CUDA
7.5
+
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
6.5
4.0
Vulkan
1.2.131
N/A
Ansel
+
-
NVENC
+
-