GeForce GTX 1080 Ti and GeForce GTX 660M - video card comparison
Passmark - benchmark score GeForce GTX 1080 Ti vs GeForce GTX 660M
GeForce GTX 1080 Ti
19118
GeForce GTX 660M
1478
GeForce GTX 1080 Ti
GeForce GTX 660M
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
GP102
N13E-GE
Market segment
Desktop
Laptop
Release date
February 2017
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
SLI options
+
+
Boost clock speed
1600 MHz
950 MHz
Core clock speed
1481 MHz
835 MHz
CUDA cores
-
384
Floating-point performance
11,340 gflops
729.6 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
11,800 million
1,270 million
Pipelines / CUDA cores
3584
384
Power consumption (TDP)
250 Watt
50 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
30.4 billion/sec
Memory type
GDDR5X
GDDR5
Maximum RAM amount
11 GB
2 GB
Memory bus width
352 Bit
128bit
Memory clock speed
11000 MHz
2000 MHz
Memory bandwidth
484.4 GB/s
64.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
Multi monitor support
+
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
G-SYNC support
+
-
DirectX
12 (12_1)
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
6.4
5.1
Vulkan
+
1.1.126
Ansel
+
-
GPU Boost
3.0
-
Optimus
-
+