Product Compare

AMD Radeon RX 6400 vs NVIDIA RTX A4000 Mobile

GPU GPU
Graphics Card
Release Date Jan 2022 Apr 2021
Generation Navi II Ampere-MW
Type Desktop Professional
Bus Interface PCIe 4.0 x4 PCIe 4.0 x16
Clock Speeds
Base Clock 1923 MHz 1140 MHz
Boost Clock 2321 MHz 1680 MHz
Memory Clock 2000 MHz 1500 MHz
Memory
Memory Size 4GB 8GB
Memory Type GDDR6 GDDR6
Memory Bus 64bit 256bit
Bandwidth 128.0GB/s 384.0GB/s
Render Config
Compute Units 12
Shading Units 768 5120
TMUs 48 160
ROPs 32 80
RT Cores 12 40
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 1024 KB 4 MB
L3 Cache 16 MB
SM Count 40
Tensor Cores 160
Theoretical Performance
Pixel Rate 74.27 GPixel/s 134.4 GPixel/s
Texture Rate 111.4 GTexel/s 268.8 GTexel/s
FP16 (half) 7.130 TFLOPS 17.20 TFLOPS
FP32 (float) 3.565 TFLOPS 17.20 TFLOPS
FP64 (double) 222.8 GFLOPS 268.8 GFLOPS
Graphics Processor
GPU Name Navi 24 GA104
GPU Variant Navi 24 XL(215-135000046)
Architecture RDNA 2.0 Ampere
Foundry TSMC Samsung
Process Size 6 nm 8 nm
Transistors 5.4 billion 17.4 billion
Die Size 107 mm² 392 mm²
Board Design
TDP 53W 115W
Suggested PSU 250 W
Outputs 1x HDMI 2.11x DisplayPort 1.4a Portable Device Dependent
Power Connectors None None
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.2 3.0
Vulkan 1.3 1.3
Shader Model 6.7 6.8
CUDA 8.6