GeForce GTX 780 Rev. 2 and GeForce GTX 650 - video card comparison
GeForce GTX 780 Rev. 2
GeForce GTX 650
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK110B
GK107
Market segment
Desktop
Desktop
Release date
September 2013
September 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
One 6-pin
Boost clock speed
902 MHz
-
Core clock speed
863 MHz
1058 MHz
CUDA cores
-
384
Floating-point performance
4,156 gflops
812.5 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
64 Watt
Texture fill rate
173.2
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128-bit GDDR5
Memory clock speed
6008 MHz
5.0 GB/s
Memory bandwidth
288.4 GB/s
80.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
-
4 displays
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
3.5
+
OpenCL
1.2
1.2
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+