Product Compare

AMD Instinct MI300X vs NVIDIA GeForce RTX 4080

GPU GPU
Graphics Card
Release Date Dec 2023 Sep 2022
Generation Radeon Instinct GeForce 40
Type Professional Desktop
Bus Interface PCIe 5.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1000 MHz 2205 MHz
Boost Clock 2100 MHz 2505 MHz
Memory Clock 2525 MHz 1400 MHz
Memory
Memory Size 192GB 16GB
Memory Type HBM3 GDDR6X
Memory Bus 8192bit 256bit
Bandwidth 10.3TB/s 716.8GB/s
Render Config
Compute Units 304
Shading Units 19456 9728
TMUs 1216 304
ROPs 0 112
L1 Cache 16 KB (per CU) 128 KB (per SM)
L2 Cache 16 MB 64 MB
L3 Cache 256 MB
SM Count 76
Tensor Cores 304
RT Cores 76
Theoretical Performance
Pixel Rate 0 MPixel/s 280.6 GPixel/s
Texture Rate 2553.6 GTexel/s 761.5 GTexel/s
FP16 (half) 653.7 TFLOPS 48.74 TFLOPS
FP32 (float) 81.72 TFLOPS 48.74 TFLOPS
FP64 (double) 81.72 TFLOPS 761.5 GFLOPS
Graphics Processor
GPU Name Aqua Vanjaram AD103
Architecture CDNA 3.0 Ada Lovelace
Foundry TSMC TSMC
Process Size 5 nm 5 nm
Transistors 153 billion 45.9 billion
Die Size 1017 mm² 379 mm²
GPU Variant AD103-300-A1
Board Design
TDP 750W 320W
Suggested PSU 1150 W 700 W
Outputs No outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors None 1x 16-pin
Graphics Features
DirectX N/A 12 Ultimate (12_2)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.3
Shader Model N/A 6.7
CUDA 8.9