GeForce GT 650M Mac Edition and GeForce RTX 4080 SUPER - video card comparison
GeForce GT 650M Mac Edition
GeForce RTX 4080 SUPER
Architecture
Kepler (2012−2018)
Ada Lovelace
GPU code name
GK107
AD103-400-A1
Market segment
Desktop
Desktop
Release date
July 2012
January 2024
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
-
2550 MHz
Core clock speed
900 MHz
2295 MHz
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,270 million
45,900 million
Pipelines / CUDA cores
384
10240
Power consumption (TDP)
45 Watt
320 Watt
Texture fill rate
28.80
816.0
Memory type
GDDR5
GDDR6X
Maximum RAM amount
512 MB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
5016 MHz
23000 MHz
Memory bandwidth
80.26 GB/s
716.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3