GeForce GTX 1050 Ti and GeForce GT 645 OEM - video card comparison
GeForce GTX 1050 Ti
GeForce GT 645 OEM
Architecture
Pascal (2016−2021)
Fermi 2.0 (2010−2014)
GPU code name
N17P-G1
GF114
Market segment
Desktop
Desktop
Release date
October 2016
April 2012
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1392 MHz
-
Core clock speed
1291 MHz
776 MHz
CUDA cores
768
-
Floating-point performance
2,138 gflops
894.0 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
3,300 million
1,950 million
Pipelines / CUDA cores
768
288
Power consumption (TDP)
75 Watt
102 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
66.82
37.25
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
7008 MHz
3828 MHz
Memory bandwidth
112 GB/s
91.87 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x mini-HDMI
HDMI
+
+
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_0)
CUDA
+
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
Ansel
+
-
VR Ready
+
-