Apple Silicon – M3 Ultra chip specs

This page details the full hardware profile of the Apple Silicon M3 Ultra chip.

 

Name: M3 Ultra Chip

Released: March 12th, 2025

Codename:

Part Number: T6032

Fabrication Process: TSMC’s
3-Nanometer-B

Transistor Count: 184-Billion

CPU ISA: ARMv8.6-A

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Memory Bus Width: 1024-Bit

Total channels: 8

Bit per channel: 128-Bit

Memory Type:
LPDDR5-6400 (3200 MHz)

~Bandwidth: 819.2 GB/s

Capacities: 96 / 256 / 512 GB

CPU Information:

# of Performance Cores: 20/24

P-Core clock: 4.05 GHz

# of Efficiency Cores: 8

E-Core clock: 2.75 GHz

Overall Cores: 28/32

P-L1i Cache: 192 KB per-core
• P-L1i Total: 3.84 / 4.6 MB •

P-L1d Cache: 128 KB per-core
• P-L1d Total: 2.5 / 3 MB •

E-L1i Cache: 128 KB per-core
• E-L1i Total: 1 MB •

E-L1d Cache: 64 KB per-core
• E-L1d Total: 512 KB •

P-Core L2 Cache: 64 MB Per C
• P-Core L2 Total: 1280/1536 MB •

E-Core L2 Cache: 8 MB Per C
• E-Core L2 Total: 64 MB •

System lvl Cache: 96 MB

GPU Cores: 60 / 80

SIMD EU: 960 / 1280

FP32 ALU: 7680 / 10240

GPU Clock: 1380 MHz

FP32 (TFLOPS): 21.1/28.2

AI Cores: 16

AI OPS: 36 TOPS

Media Hardware acceleration:
H264, HEVC, ProRes,
ProRes RAW

 


Source: (Apple Silicon, Wikipedia, the free encyclopedia, https://en.wikipedia.org/wiki/Apple_silicon, April 23rd 2025.)

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