NVIDIA RTX A4000H vs AMD Radeon RX 7400
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Aug 2025
Generation
Quadro Ampere
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
735 MHz
1452 MHz
Boost Clock
1560 MHz
2300 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
128bit
Bandwidth
448.0GB/s
288.0GB/s
Render Config
SM Count
48
-
Shading Units
6144
1792
TMUs
192
112
ROPs
96
64
Tensor Cores
192
-
RT Cores
48
28
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
4 MB
2 MB
Compute Units
-
28
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
149.8 GPixel/s
147.2 GPixel/s
Texture Rate
299.5 GTexel/s
257.6 GTexel/s
FP16 (half)
19.17 TFLOPS
32.97 TFLOPS
FP32 (float)
19.17 TFLOPS
16.49 TFLOPS
FP64 (double)
299.5 GFLOPS
515.2 GFLOPS
Graphics Processor
GPU Name
GA104
Navi 33
GPU Variant
GA104-???-A1
Navi 33
Architecture
Ampere
RDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
17.4 billion
13.3 billion
Die Size
392 mm²
204 mm²
Board Design
TDP
140W
43W
Suggested PSU
300 W
200 W
Outputs
4x DisplayPort 1.4a
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.7
6.8