GeForce GTX 660 Ti and Tegra X1 GPU - video card comparison
GeForce GTX 660 Ti
Tegra X1 GPU
Architecture
Kepler (2012−2018)
Maxwell 2.0 (2015−2019)
GPU code name
GK104
GM20B
Market segment
Desktop
Desktop
Release date
August 2012
January 2015
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
Two 6-pin
-
SLI options
+
-
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
1000 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
20 nm
Number of transistors
3,540 million
2,000 million
Pipelines / CUDA cores
1344
256
Power consumption (TDP)
150 Watt
15 Watt
Texture fill rate
102.5 billion/sec
16.00
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
192-bit GDDR5
System Shared
Memory clock speed
6.0 GB/s
System Shared
Memory bandwidth
144.2 GB/s
-
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
5.3
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-