GeForce GTX 1080 Mobile and GeForce GTX 660 Ti - video card comparison
GeForce GTX 1080 Mobile
GeForce GTX 660 Ti
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
N17E-G3
GK104
Market segment
Laptop
Desktop
Release date
August 2016
August 2012
Bus support
PCIe 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
Two 6-pin
SLI options
+
+
Boost clock speed
1733 MHz
980 MHz
Core clock speed
1607 MHz
915 MHz
CUDA cores
2560
1344
Floating-point performance
9,068 gflops
2,459.5 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
3,540 million
Pipelines / CUDA cores
2560
1344
Power consumption (TDP)
150 Watt
150 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
283.4
102.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
192-bit GDDR5
Memory clock speed
10 GB/s
6.0 GB/s
Memory bandwidth
320 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
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 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.5
4.3
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-