GeForce GT 645M and GeForce GT 1030 DDR4 - video card comparison
GeForce GT 645M
GeForce GT 1030 DDR4
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
N13P-GS
GP108
Market segment
Laptop
Desktop
Release date
March 2012
March 2018
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x4
Supplementary power connectors
-
None
Boost clock speed
-
1379 MHz
Core clock speed
Up to 710 MHz
1152 MHz
CUDA cores
384
-
Floating-point performance
544.5 gflops
1,059 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
1,800 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
32 Watt
20 Watt
Texture fill rate
22.7 billion/sec
33.10
Memory type
DDR3\GDDR5
DDR4
Maximum RAM amount
2 GB
2 GB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 MHz
2100 MHz
Memory bandwidth
Up to 64.0 GB/s
16.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
6.1
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
Optimus
+
-