GeForce GTX 770 and GeForce GT 630 Rev. 2 PCIe x8 - video card comparison
GeForce GTX 770
GeForce GT 630 Rev. 2 PCIe x8
Architecture
Kepler (2012−2018)
Kepler 2.0 (2013−2015)
GPU code name
GK104
GK208
Market segment
Desktop
Desktop
Release date
May 2013
May 2013
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x8
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
None
Boost clock speed
1085 MHz
-
Core clock speed
1046 MHz
902 MHz
CUDA cores
1536
-
Floating-point performance
3,333 gflops
692.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
915 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
230 Watt
25 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
7012 MHz
1800 MHz
Memory bandwidth
224.3 GB/s
14.4 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
+
3.5
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
+
-