GeForce GT 730 and GeForce GT 645M - video card comparison
Passmark - benchmark score GeForce GT 730 vs GeForce GT 645M
GeForce GT 730
860
GeForce GT 645M
957
GeForce GT 730
GeForce GT 645M
Architecture
Fermi (2010−2014)
Kepler (2012−2018)
GPU code name
GF108
N13P-GS
Market segment
Desktop
Laptop
Release date
June 2014
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Core clock speed
700 MHz
Up to 710 MHz
CUDA cores
-
384
Floating-point performance
268.8 gflops
544.5 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
1,270 million
Pipelines / CUDA cores
96
384
Power consumption (TDP)
49 Watt
32 Watt
Texture fill rate
11.2 GT/s
22.7 billion/sec
Memory type
DDR3
DDR3\GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
25.6 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_0)
12 API
CUDA
2.1
+
OpenCL
1.1
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
-
+
Optimus
-
+