Product Compare

NVIDIA GeForce RTX 4080 SUPER vs AMD Radeon Instinct MI355X

GPU GPU
Graphics Card
Release Date Jan 2024 Jun 2025
Generation GeForce 40 Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 2295 MHz 1000 MHz
Boost Clock 2550 MHz 2400 MHz
Memory Clock 1438 MHz 2000 MHz
Memory
Memory Size 16GB 288GB
Memory Type GDDR6X HBM3e
Memory Bus 256bit 8192bit
Bandwidth 736.3GB/s 8.19TB/s
Render Config
SM Count 80
Shading Units 10240 16384
TMUs 320 1024
ROPs 112 0
Tensor Cores 320 1216
RT Cores 80
L1 Cache 128 KB (per SM) 32 KB (per CU)
L2 Cache 64 MB 32 MB
Compute Units 256
L3 Cache 256 MB
Theoretical Performance
Pixel Rate 285.6 GPixel/s 0 MPixel/s
Texture Rate 816.0 GTexel/s 2457.6 GTexel/s
FP16 (half) 52.22 TFLOPS 78.64 TFLOPS
FP32 (float) 52.22 TFLOPS 78.64 TFLOPS
FP64 (double) 816.0 GFLOPS 39.32 TFLOPS
Graphics Processor
GPU Name AD103 MI350 256CU
GPU Variant AD103-400-A1
Architecture Ada Lovelace CDNA 4.0
Foundry TSMC TSMC
Process Size 5 nm 3 nm
Transistors 45.9 billion 185 billion
Die Size 379 mm² Unknown
Board Design
TDP 320W 1400W
Suggested PSU 700 W 1800 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 1.3 N/A
CUDA 8.9
Shader Model 6.8 N/A