GeForce GTX 1080 SLI Mobile and GeForce GTX 660 Ti - video card comparison
GeForce GTX 1080 SLI Mobile
GeForce GTX 660 Ti
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
Pascal GP104 SLI
GK104
Market segment
Laptop
Desktop
Release date
August 2016
August 2012
Bus support
-
PCI Express 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
Two 6-pin
SLI options
+
+
Boost clock speed
1733 MHz
980 MHz
Core clock speed
1556 MHz
915 MHz
CUDA cores
-
1344
Floating-point performance
-
2,459.5 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
14400 Million
3,540 million
Pipelines / CUDA cores
5120
1344
Power consumption (TDP)
-
150 Watt
Texture fill rate
-
102.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
2 GB
Memory bus width
256 Bit
192-bit GDDR5
Memory clock speed
10000 MHz
6.0 GB/s
Memory bandwidth
-
144.2 GB/s
Shared memory
-
-
Display Connectors
-
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
G-SYNC support
+
-
Audio input for HDMI
-
Internal
DirectX
12_1
12 (11_0)
CUDA
+
+
OpenCL
-
1.2
OpenGL
-
4.3
Shader Model
-
5.1
Vulkan
+
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
VR Ready
+
-