Apple M1 Ultra (48-GPU) vs Apple M1 Ultra (64-GPU). Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Family
  Apple M series Apple M series
• CPU group
  Apple M1 Apple M1
• Segment
  Mobile Mobile
• Generation
  1 1

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• CPU Cores / Threads
  20 / 20 20 / 20
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  16x Firestorm 16x Firestorm
• B-Core
  4x Icestorm 4x Icestorm
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• A-Core Frequency
  3.20 GHz 3.20 GHz
• B-Core Frequency
  2.06 GHz 2.06 GHz

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Apple M1 Ultra (48 Core) Apple M1 Ultra (64 Core)
• GPU frequency
  1.30 GHz 1.30 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  768 1024
• Shader
  6144 8192
• Max. GPU Memory
  64 GB 64 GB
• Max. displays
  3 3
• Generation
  1 1
• Technology
  5 nm 5 nm
• Release date
  Q1/2022 Q1/2022

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP8
  Decode Decode
• VP9
  Decode / Encode Decode / Encode
• AV1
  No No
• AVC
  Decode Decode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Overview of the types and quantities of RAM supported by Apple M1 Ultra (64-GPU) and Apple M1 Ultra (48-GPU). The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  LPDDR5-6400 LPDDR5-6400
• Max. Memory
  128 GB 128 GB
• Memory channels
  8 (Octa Channel) 8 (Octa Channel)
• Bandwidth
  819.2 GB/s 819.2 GB/s
• ECC
  No No
• PCIe
  4.0 4.0
• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Apple M1 Ultra (48-GPU) and Apple M1 Ultra (64-GPU) to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  60 W 60 W
• TDP up
  120 W 120 W

Information on architecture, interfaces, and additional instructions supported by Apple M1 Ultra (48-GPU) and Apple M1 Ultra (64-GPU), including virtual machine technologies and fabrication processes.

• Technology
  5 nm 5 nm
• Chip design
  Chiplet Chiplet
• Socket
  N/A N/A
• L2-Cache
  52.00 MB 52.00 MB
• Architecture
  M1 M1
• Operating systems
  macOS macOS
• Virtualization
  Apple Virtualization Framework Apple Virtualization Framework
• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• ISA extensions
  Rosetta 2 x86-Emulation Rosetta 2 x86-Emulation
• Release date
  Q1/2022 Q1/2022