Product Compare

NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon Instinct MI308X

GPU GPU
Graphics Card
Release Date Jan 2023 Dec 2023
Generation GeForce 40 Mobile Radeon Instinct
Type Mobile Professional
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 795 MHz 1000 MHz
Boost Clock 1350 MHz 2100 MHz
Memory Clock 1750 MHz 1300 MHz
Memory
Memory Size 12GB 192GB
Memory Type GDDR6 HBM3
Memory Bus 192bit 8192bit
Bandwidth 336.0GB/s 5.32TB/s
Render Config
SM Count 58
Shading Units 7424 19456
TMUs 232 1216
ROPs 80 0
Tensor Cores 232 1216
RT Cores 58
L1 Cache 128 KB (per SM) 16 KB (per CU)
L2 Cache 48 MB 16 MB
Compute Units 304
L3 Cache 256 MB
Theoretical Performance
Pixel Rate 108.0 GPixel/s 0 MPixel/s
Texture Rate 313.2 GTexel/s 2553.6 GTexel/s
FP16 (half) 20.04 TFLOPS 81.72 TFLOPS
FP32 (float) 20.04 TFLOPS 81.72 TFLOPS
FP64 (double) 313.2 GFLOPS 40.86 TFLOPS
Graphics Processor
GPU Name AD104 Aqua Vanjaram
GPU Variant GN21-X9
Architecture Ada Lovelace CDNA 3.0
Foundry TSMC TSMC
Process Size 4 nm 5 nm
Transistors 35.8 billion 153 billion
Die Size 295 mm² 1017 mm²
Board Design
TDP 60W 750W
Outputs Portable Device Dependent No outputs
Power Connectors None None
Suggested PSU 1150 W
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.3 N/A
CUDA 8.9
Shader Model 6.7 N/A