Product Compare

NVIDIA GeForce RTX 4090 vs AMD Radeon Instinct MI325X

GPU GPU
Graphics Card
Release Date Sep 2022 Oct 2024
Generation GeForce 40 Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 2235 MHz 1000 MHz
Boost Clock 2520 MHz 2100 MHz
Memory Clock 1313 MHz 1500 MHz
Memory
Memory Size 24GB 256GB
Memory Type GDDR6X HBM3e
Memory Bus 384bit 8192bit
Bandwidth 1.01TB/s 6.14TB/s
Render Config
SM Count 128
Shading Units 16384 19456
TMUs 512 1216
ROPs 176 0
Tensor Cores 512 1216
RT Cores 128
L1 Cache 128 KB (per SM) 16 KB (per CU)
L2 Cache 72 MB 16 MB
Compute Units 304
L3 Cache 256 MB
Theoretical Performance
Pixel Rate 443.5 GPixel/s 0 MPixel/s
Texture Rate 1290.2 GTexel/s 2553.6 GTexel/s
FP16 (half) 82.58 TFLOPS 81.72 TFLOPS
FP32 (float) 82.58 TFLOPS 81.72 TFLOPS
FP64 (double) 1290.2 GFLOPS 40.86 TFLOPS
Graphics Processor
GPU Name AD102 Aqua Vanjaram
GPU Variant AD102-300-A1
Architecture Ada Lovelace CDNA 3.0
Foundry TSMC TSMC
Process Size 5 nm 5 nm
Transistors 76.3 billion 153 billion
Die Size 609 mm² 1017 mm²
Board Design
TDP 450W 1000W
Suggested PSU 850 W 1400 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a No outputs
Power Connectors 1x 16-pin None
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.4 N/A
CUDA 8.9
Shader Model 6.8 N/A