AMD Radeon RX 7400 vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Feb 2018
Generation
Navi III
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1452 MHz
1177 MHz
Boost Clock
2300 MHz
1443 MHz
Memory Clock
2250 MHz
1502 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
128bit
Bandwidth
288.0GB/s
96.13GB/s
Render Config
Compute Units
28
-
Shading Units
1792
512
TMUs
112
32
ROPs
64
16
RT Cores
28
-
L1 Cache
128 KB per Array
48 KB (per SM)
L2 Cache
2 MB
1024 KB
L3 Cache
64 MB
-
SM Count
-
4
Theoretical Performance
Pixel Rate
147.2 GPixel/s
23.09 GPixel/s
Texture Rate
257.6 GTexel/s
46.18 GTexel/s
FP16 (half)
32.97 TFLOPS
23.09 GFLOPS
FP32 (float)
16.49 TFLOPS
1478 GFLOPS
FP64 (double)
515.2 GFLOPS
46.18 GFLOPS
Graphics Processor
GPU Name
Navi 33
GP107
GPU Variant
Navi 33
-
Architecture
RDNA 3.0
Pascal
Foundry
TSMC
Samsung
Process Size
6 nm
14 nm
Transistors
13.3 billion
3.3 billion
Die Size
204 mm²
132 mm²
Board Design
TDP
43W
40W
Suggested PSU
200 W
-
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.3
Shader Model
6.8
6.4
CUDA
-
6.1