GeForce RTX 2070 Mobile and GeForce GT 645M - video card comparison
Passmark - benchmark score GeForce RTX 2070 Mobile vs GeForce GT 645M
GeForce RTX 2070 Mobile
12725
GeForce GT 645M
957
GeForce RTX 2070 Mobile
GeForce GT 645M
Architecture
Turing (2018−2021)
Kepler (2012−2018)
GPU code name
N18E-G2 TU106
N13P-GS
Market segment
Laptop
Laptop
Release date
January 2019
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
1440 MHz
-
Core clock speed
1215 MHz
Up to 710 MHz
CUDA cores
-
384
Floating-point performance
-
544.5 gflops
Manufacturing process technology
12 nm
28 nm
Number of transistors
10,800 million
1,270 million
Pipelines / CUDA cores
2304
384
Power consumption (TDP)
115 Watt
32 Watt
Texture fill rate
213.8
22.7 billion/sec
Memory type
GDDR6
DDR3\GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
14000 MHz
1800 MHz
Memory bandwidth
448.0 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
G-SYNC support
+
-
DirectX
12 Ultimate (12_1)
12 API
CUDA
7.5
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
6.5
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
Optimus
-
+
VR Ready
+
-