NVIDIA RTX A400 vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
Apr 2024
Feb 2018
Generation
Quadro Ampere(Ax000)
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1417 MHz
1177 MHz
Boost Clock
1762 MHz
1443 MHz
Memory Clock
1500 MHz
1502 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
128bit
Bandwidth
96.00GB/s
96.13GB/s
Render Config
SM Count
6
4
Shading Units
768
512
TMUs
24
32
ROPs
16
16
Tensor Cores
24
-
RT Cores
6
-
L1 Cache
128 KB (per SM)
48 KB (per SM)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
28.19 GPixel/s
23.09 GPixel/s
Texture Rate
42.29 GTexel/s
46.18 GTexel/s
FP16 (half)
2.706 TFLOPS
23.09 GFLOPS
FP32 (float)
2.706 TFLOPS
1478 GFLOPS
FP64 (double)
42.29 GFLOPS
46.18 GFLOPS
Graphics Processor
GPU Name
GA107
GP107
Architecture
Ampere
Pascal
Foundry
Samsung
Samsung
Process Size
8 nm
14 nm
Transistors
8.7 billion
3.3 billion
Die Size
200 mm²
132 mm²
Board Design
TDP
50W
40W
Suggested PSU
250 W
-
Outputs
4x mini-DisplayPort 1.4a
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
6.1
Shader Model
6.8
6.4