NVIDIA RTX A4000H vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Feb 2018
Generation
Quadro Ampere
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
735 MHz
1177 MHz
Boost Clock
1560 MHz
1443 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
448.0GB/s
96.13GB/s
Render Config
SM Count
48
4
Shading Units
6144
512
TMUs
192
32
ROPs
96
16
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
128 KB (per SM)
48 KB (per SM)
L2 Cache
4 MB
1024 KB
Theoretical Performance
Pixel Rate
149.8 GPixel/s
23.09 GPixel/s
Texture Rate
299.5 GTexel/s
46.18 GTexel/s
FP16 (half)
19.17 TFLOPS
23.09 GFLOPS
FP32 (float)
19.17 TFLOPS
1478 GFLOPS
FP64 (double)
299.5 GFLOPS
46.18 GFLOPS
Graphics Processor
GPU Name
GA104
GP107
GPU Variant
GA104-???-A1
-
Architecture
Ampere
Pascal
Foundry
Samsung
Samsung
Process Size
8 nm
14 nm
Transistors
17.4 billion
3.3 billion
Die Size
392 mm²
132 mm²
Board Design
TDP
140W
40W
Suggested PSU
300 W
-
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin
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
6.7
6.4