GeForce GTX 660 and T400 - video card comparison
Passmark - benchmark score GeForce GTX 660 vs T400
GeForce GTX 660
4119
T400
3739
GeForce GTX 660
T400
Architecture
Kepler (2012−2018)
Turing (2018−2021)
GPU code name
GK106
TU117
Market segment
Desktop
Desktop
Release date
September 2012
May 2021
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
None
SLI options
+
-
Boost clock speed
1033 MHz
1425 MHz
Core clock speed
980 MHz
-
CUDA cores
960
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
2,540 million
4,700 million
Pipelines / CUDA cores
960
384
Power consumption (TDP)
140 Watt
30 Watt
Texture fill rate
78.4 billion/sec
34.20
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
64 Bit
Memory clock speed
6.0 GB/s
10 GB/s
Memory bandwidth
144.2 GB/s
80 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
3x mini-DisplayPort
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
7.5
OpenCL
1.2
3.0
OpenGL
4.3
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.2
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-