GeForce GTX 780 and GeForce GTX 745 OEM - video card comparison
GeForce GTX 780
GeForce GTX 745 OEM
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK110
GM107
Market segment
Desktop
Desktop
Release date
May 2013
February 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
None
Boost clock speed
900 MHz
-
Core clock speed
863 MHz
1033 MHz
CUDA cores
2304
-
Floating-point performance
4,156 gflops
793.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
1,870 million
Pipelines / CUDA cores
2304
384
Power consumption (TDP)
250 Watt
55 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
24.79
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
6008 MHz
1800 MHz
Memory bandwidth
288.4 GB/s
28.8 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
5.0
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-