GeForce GT 650M Mac Edition and Radeon 780M - video card comparison
GeForce GT 650M Mac Edition
Radeon 780M
Architecture
Kepler (2012−2018)
RDNA 3
GPU code name
GK107
Phoenix
Market segment
Desktop
Laptop
Release date
July 2012
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
3000 MHz
Core clock speed
900 MHz
1500 MHz
Floating-point performance
691.2 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)
45 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
28.80
139.2
Memory type
GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
5016 MHz
System Shared
Memory bandwidth
80.26 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3