GeForce GT 645M and GeForce RTX 2050 Mobile - video card comparison
GeForce GT 645M
GeForce RTX 2050 Mobile
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
N13P-GS
GN20-S7
Market segment
Laptop
Laptop
Release date
March 2012
December 2021
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
-
1477 MHz
Core clock speed
Up to 710 MHz
-
CUDA cores
384
-
Floating-point performance
544.5 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,270 million
-
Pipelines / CUDA cores
384
2048
Power consumption (TDP)
32 Watt
30-45 Watt
Texture fill rate
22.7 billion/sec
189.1
Memory type
DDR3\GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 MHz
14000 MHz
Memory bandwidth
Up to 64.0 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x DisplayPort
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
G-SYNC support
-
+
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.2
3D Blu-Ray
+
-
Optimus
+
-
VR Ready
-
+