GeForce GT 645M and Radeon RX Vega 3 - video card comparison
Passmark - benchmark score GeForce GT 645M vs Radeon RX Vega 3
GeForce GT 645M
957
Radeon RX Vega 3
1183
GeForce GT 645M
Radeon RX Vega 3
Architecture
Kepler (2012−2018)
Vega (2017−2021)
GPU code name
N13P-GS
Vega Raven Ridge
Market segment
Laptop
Laptop
Release date
March 2012
January 2018
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
-
None
Boost clock speed
-
1200 MHz
Core clock speed
Up to 710 MHz
600 MHz
CUDA cores
384
-
Floating-point performance
544.5 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
4,940 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
32 Watt
15 Watt
Texture fill rate
22.7 billion/sec
12.13
Memory type
DDR3\GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
Up to 64.0 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
Optimus
+
-