GeForce 9400 and A2 - video card comparison
GeForce 9400
A2
Architecture
Tesla (2006−2010)
Ampere (2020−2022)
GPU code name
C79
GA107
Market segment
Desktop
Desktop
Release date
April 2007
November 2021
Interface
PCI
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1770 MHz
Core clock speed
450 MHz
-
Manufacturing process technology
65 nm
8 nm
Number of transistors
314 million
-
Pipelines / CUDA cores
16
1280
Power consumption (TDP)
40 Watt
60 Watt
Texture fill rate
3.600
70.80
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
16 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
12.5 GB/s
Memory bandwidth
-
200.1 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
11.1 (10_0)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
N/A
3.0
OpenGL
3.3
4.6
Shader Model
4.0
6.6
Vulkan
N/A
1.2