GeForce GT 620M and GeForce RTX 4070 Mobile - video card comparison
GeForce GT 620M
GeForce RTX 4070 Mobile
Architecture
Fermi (2010−2014)
Ada Lovelace
GPU code name
N13P-GLP / N13M-GS
GN21-X6
Market segment
Laptop
Laptop
Release date
March 2012
January 2023
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Boost clock speed
715 MHz
2175 MHz
Core clock speed
Up to 625 MHz
1605 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
585 million
-
Pipelines / CUDA cores
96
4608
Power consumption (TDP)
15 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
Up to 10.0 billion/sec
244.1
Memory type
DDR3
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
Up to 128bit
128 Bit
Memory clock speed
1800 MHz
16000 MHz
Memory bandwidth
Up to 28.8 GB/s
256.0 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
+
8.9
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
N/A
1.3
3D Blu-Ray
+
-
Optimus
+
-