GeForce GTX 1080 Ti and GeForce GTX 660 Ti - video card comparison
Passmark - benchmark score GeForce GTX 1080 Ti vs GeForce GTX 660 Ti
GeForce GTX 1080 Ti
19118
GeForce GTX 660 Ti
4547
GeForce GTX 1080 Ti
GeForce GTX 660 Ti
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
GP102
GK104
Market segment
Desktop
Desktop
Release date
February 2017
August 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
Two 6-pin
SLI options
+
+
Boost clock speed
1600 MHz
980 MHz
Core clock speed
1481 MHz
915 MHz
CUDA cores
-
1344
Floating-point performance
11,340 gflops
2,459.5 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
11,800 million
3,540 million
Pipelines / CUDA cores
3584
1344
Power consumption (TDP)
250 Watt
150 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
102.5 billion/sec
Memory type
GDDR5X
GDDR5
Maximum RAM amount
11 GB
2 GB
Memory bus width
352 Bit
192-bit GDDR5
Memory clock speed
11000 MHz
6.0 GB/s
Memory bandwidth
484.4 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
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
+
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
Ansel
+
-
GPU Boost
3.0
-