Product Compare

AMD Radeon RX 7400 vs AMD Radeon RX 6450M

GPU GPU
Graphics Card
Release Date Aug 2025 Jan 2023
Generation Navi III Navi Mobile
Type Desktop Mobile
Bus Interface PCIe 4.0 x8 PCIe 4.0 x4
Clock Speeds
Base Clock 1452 MHz 2000 MHz
Boost Clock 2300 MHz 2460 MHz
Memory Clock 2250 MHz 2000 MHz
Memory
Memory Size 8GB 4GB
Memory Type GDDR6 GDDR6
Memory Bus 128bit 64bit
Bandwidth 288.0GB/s 128.0GB/s
Render Config
Compute Units 28 12
Shading Units 1792 768
TMUs 112 48
ROPs 64 32
RT Cores 28 12
L1 Cache 128 KB per Array 128 KB per Array
L2 Cache 2 MB 1024 KB
L3 Cache 64 MB 16 MB
Theoretical Performance
Pixel Rate 147.2 GPixel/s 78.72 GPixel/s
Texture Rate 257.6 GTexel/s 118.1 GTexel/s
FP16 (half) 32.97 TFLOPS 7.557 TFLOPS
FP32 (float) 16.49 TFLOPS 3.779 TFLOPS
FP64 (double) 515.2 GFLOPS 236.2 GFLOPS
Graphics Processor
GPU Name Navi 33 Navi 24
GPU Variant Navi 33 Navi 24 XML
Architecture RDNA 3.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 6 nm 6 nm
Transistors 13.3 billion 5.4 billion
Die Size 204 mm² 107 mm²
Board Design
TDP 43W 50W
Suggested PSU 200 W
Outputs 1x HDMI 2.1a3x DisplayPort 2.1 Portable Device Dependent
Power Connectors 1x 6-pin None
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.2 2.2
Vulkan 1.3 1.3
Shader Model 6.8 6.7