GeForce GTX 645 OEM and GeForce GT 1030 DDR4 - video card comparison
GeForce GTX 645 OEM
GeForce GT 1030 DDR4
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK106
GP108
Market segment
Desktop
Desktop
Release date
April 2013
March 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x4
Supplementary power connectors
None
None
Boost clock speed
-
1379 MHz
Core clock speed
824 MHz
1152 MHz
Floating-point performance
949.2 gflops
1,059 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,540 million
1,800 million
Pipelines / CUDA cores
576
384
Power consumption (TDP)
65 Watt
20 Watt
Texture fill rate
39.55
33.10
Memory type
GDDR5
DDR4
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4000 MHz
2100 MHz
Memory bandwidth
64 GB/s
16.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI
HDMI
+
+
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131