Product Compare

NVIDIA GeForce GTX 1660 Ti Max Q vs AMD Radeon Instinct MI355X

GPU GPU
Graphics Card
Release Date Apr 2019 Jun 2025
Generation GeForce 16 Mobile Radeon Instinct
Type Mobile Professional
Bus Interface PCIe 3.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1140 MHz 1000 MHz
Boost Clock 1335 MHz 2400 MHz
Memory Clock 1500 MHz 2000 MHz
Memory
Memory Size 6GB 288GB
Memory Type GDDR6 HBM3e
Memory Bus 192bit 8192bit
Bandwidth 288.0GB/s 8.19TB/s
Render Config
SM Count 24
Shading Units 1536 16384
TMUs 96 1024
ROPs 48 0
L1 Cache 64 KB (per SM) 32 KB (per CU)
L2 Cache 1536 KB 32 MB
Compute Units 256
Tensor Cores 1216
L3 Cache 256 MB
Theoretical Performance
Pixel Rate 64.08 GPixel/s 0 MPixel/s
Texture Rate 128.2 GTexel/s 2457.6 GTexel/s
FP16 (half) 8.202 TFLOPS 78.64 TFLOPS
FP32 (float) 4.101 TFLOPS 78.64 TFLOPS
FP64 (double) 128.2 GFLOPS 39.32 TFLOPS
Graphics Processor
GPU Name TU116 MI350 256CU
Architecture Turing CDNA 4.0
Foundry TSMC TSMC
Process Size 12 nm 3 nm
Transistors 6.6 billion 185 billion
Die Size 284 mm² Unknown
Board Design
TDP Unknown 1400W
Outputs Portable Device Dependent No outputs
Power Connectors None None
Suggested PSU 1800 W
Graphics Features
DirectX 12 (12_1) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.3 N/A
CUDA 7.5
Shader Model 6.7 N/A