Quadro P400 and RTX A400 - video card comparison
Quadro P400
RTX A400
Architecture
Pascal (2016−2021)
Ampere (2020−2022)
GPU code name
GP107
GA107
Market segment
Workstation
Desktop
Release date
February 2017
April 2024
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1252 MHz
1762 MHz
Core clock speed
1228 MHz
-
Floating-point performance
679.9 gflops
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
3,300 million
8,700 million
Pipelines / CUDA cores
256
768
Power consumption (TDP)
30 Watt
50 Watt
Texture fill rate
20.03
42.29
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4008 MHz
12 GB/s
Memory bandwidth
32.06 GB/s
96 GB/s
Display Connectors
3x mini-DisplayPort
4x mini-DisplayPort 1.4a
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
6.1
8.6
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.2.131
1.3