GeForce GT 645M and Radeon 780M - video card comparison
Passmark - benchmark score GeForce GT 645M vs Radeon 780M
GeForce GT 645M
957
Radeon 780M
7300
GeForce GT 645M
Radeon 780M
Architecture
Kepler (2012−2018)
RDNA 3
GPU code name
N13P-GS
Phoenix
Market segment
Laptop
Laptop
Release date
March 2012
January 2023
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
3000 MHz
Core clock speed
Up to 710 MHz
1500 MHz
CUDA cores
384
-
Floating-point performance
544.5 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
1,270 million
25,390 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
32 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
22.7 billion/sec
139.2
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
Portable Device Dependent
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
3D Blu-Ray
+
-
Optimus
+
-