GeForce GT 640M Mac Edition and GeForce RTX 4070 SUPER - video card comparison
GeForce GT 640M Mac Edition
GeForce RTX 4070 SUPER
Architecture
Kepler (2012−2018)
Ada Lovelace
GPU code name
GK107
AD104
Market segment
Desktop
Desktop
Release date
February 2013
January 2024
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
-
2475 MHz
Core clock speed
745 MHz
1980 MHz
Floating-point performance
572.2 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,270 million
35,800 million
Pipelines / CUDA cores
384
7168
Power consumption (TDP)
32 Watt
220 Watt
Texture fill rate
23.84
584.6
Memory type
GDDR5
GDDR6X
Maximum RAM amount
512 MB
12 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
5000 MHz
21000 MHz
Memory bandwidth
40 GB/s
504.2 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