GeForce GTX 780 and GeForce GTX 660M - video card comparison
Passmark - benchmark score GeForce GTX 780 vs GeForce GTX 660M
GeForce GTX 780
8247
GeForce GTX 660M
1478
GeForce GTX 780
GeForce GTX 660M
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK110
N13E-GE
Market segment
Desktop
Laptop
Release date
May 2013
March 2012
Bus support
PCI Express 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
-
SLI options
-
+
Boost clock speed
900 MHz
950 MHz
Core clock speed
863 MHz
835 MHz
CUDA cores
2304
384
Floating-point performance
4,156 gflops
729.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
1,270 million
Pipelines / CUDA cores
2304
384
Power consumption (TDP)
250 Watt
50 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
30.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128bit
Memory clock speed
6008 MHz
2000 MHz
Memory bandwidth
288.4 GB/s
64.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
Up to 2048x1536
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.3
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
Optimus
-
+
PhysX
+
-