Apple M1 Ultra (64-core GPU) processor review

M1 Ultra (64-core GPU) processor released by Apple; release date: 18 Mar 2022. The processor is designed for laptop-computers and based on Firestorm/Icestorm microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 20, threads - 20. Maximum CPU clock speed - 3.228 GHz. Manufacturing process technology - 5 nm. Cache size: L1 - 192 KB instruction + 128 KB data (per core), L2 - 8 MB.

Supported memory types: LPDDR5-6400. Maximum memory size: 128 GB.

Integrated graphics – Apple M1 Ultra 64-core

Technical info
Core clock speed	1296 MHz
Manufacturing process technology	5 nm
Peak Single Precision (FP32) Performance	21.233 TFLOPS
Pipelines	64
Render output units	256
Thermal Design Power (TDP)	120 Watt

Specifications (specs)

Essentials
Architecture codename	Firestorm/Icestorm
Launch date	18 Mar 2022
OS Support	macOS Monterey 12.3, macOS Ventura 13.3
Place in performance rating	not rated
Processor Number	APL1W06
Vertical segment	Laptop
Performance
Base frequency	2.064 GHz
L1 cache	192 KB instruction + 128 KB data (per core)
L2 cache	8 MB
Manufacturing process technology	5 nm
Maximum frequency	3.228 GHz
Number of cores	20
Number of threads	20
Transistor count	114 billion

Memory
Max memory channels	8
Maximum memory bandwidth	819.2 GB/s
Maximum memory size	128 GB
Supported memory types	LPDDR5-6400
Graphics
Execution Units	256
Graphics base frequency	1296 MHz
iGPU core count	64