GeForce GTX 780 Ti and GeForce GTX 660 - video card comparison
Passmark - benchmark score GeForce GTX 780 Ti vs GeForce GTX 660
GeForce GTX 780 Ti
9801
GeForce GTX 660
4119
GeForce GTX 780 Ti
GeForce GTX 660
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK110
GK106
Market segment
Desktop
Desktop
Release date
November 2013
September 2012
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 8-pin and one 6-pin
One 6-pin
SLI options
+
+
Boost clock speed
928 MHz
1033 MHz
Core clock speed
875 MHz
980 MHz
CUDA cores
2880
960
Floating-point performance
5,345 gflops
1,981 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
2,540 million
Pipelines / CUDA cores
2880
960
Power consumption (TDP)
250 Watt
140 Watt
Texture fill rate
210 billion/sec
78.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
192-bit GDDR5
Memory clock speed
7.0 GB/s
6.0 GB/s
Memory bandwidth
336 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
4 displays
4 displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.4
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
-
+
3D Gaming
+
+
3D Vision
+
+
3D Vision Live
+
-
Blu Ray 3D
+
-