Apple M3 Ultra (28C60G) vs Apple M4 (10C8G-FL) Full Specs

Summary

28 Cores(20P+8E) 28 Threads(20P+8E) 4.05GHz	10 Cores(4P+6E) 10 Threads(4P+6E) 4.41GHz
TDP 300W	TDP 15W
Bandwidth 819.2GB/s LPDDR5	Bandwidth 120GB/s LPDDR5X
iGPU 60-Core M3 Ultra	iGPU 8-Core M4-FL
Peak·FP32·FP16 21.2 TFLOPSFP16	Peak·FP32·FP16 3.23 TFLOPSFP16

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 NPU TOPS TDP

M3 Ultra (28C60G)3,221

x1

M4 (10C8G-FL)3,767

x1.17

Show Top Score

Core Config

28 Cores 20P 8E	10 Cores 4P 6E
28 Threads 20P 8E	10 Threads 4P 6E

Clocks

Base Clock 4.05GHz	Base Clock 4.41GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 192KB P 128KB E	L1i 192KB P 128KB E
L1d 128KB P 64KB E	L1d 128KB P 64KB E
L2 64MB P shared 4MB E shared	L2 16MB P shared 4MB E shared
SLC Cache 96MB	SLC Cache 8MB

Memory

Type LPDDR5	Type LPDDR5X
Max Memory 128GB	Max Memory 24GB
ECC No	ECC No
Channels 8	Channels 2
Bus Width 1024-bit	Bus Width 128-bit
Speed 6400MT/s	Speed 7500MT/s
Bandwidth 819.2GB/s	Bandwidth 120GB/s
Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 819.2GB/s	Bandwidth Calculator Channels Transfer Rate7500MT/s Calculated Bandwidth 120GB/s

Power & Thermals

TDP 300W	TDP 15W
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max

Expansion

PCIe PCIe 4.0 x32 63GB/sBandwidth

PCIe PCIe 4.0 x5 9.8GB/sBandwidth

iGPU

iGPU 60-Core M3 Ultra	iGPU 8-Core M4-FL
Shaders 7680	Shaders 1024
Boost Clock 1.38GHz	Boost Clock 1.58GHz
Peak·FP32·FP16 21.2 TFLOPSFP16	Peak·FP32·FP16 3.23 TFLOPSFP16

NPU

NPU Model H15 Erebus	NPU Model H16 Leto
NPU Cores 32	NPU Cores 16
NPU Clock 2.36GHz	NPU Clock 2.36GHz
Performance 36 TOPSFP16	Performance 38 TOPSINT8

Chip

Manufacturer Apple	Manufacturer Apple
ISA AArch64	ISA AArch64
Architecture Apple Silicon 13ARMv8.6-A	Architecture Apple Silicon 14ARMv9.2-A
Family M Series	Family M Series
Branding	Branding
Codename Palma-D M3 UltraVariant EverestP-Core Sawtooth E-Core	Codename Donan M4Variant AS14PP-Core AS14EE-Core
Market Segment Workstation	Market Segment Tablet
Release Date Mar 5, 2025	Release Date Mar 5, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N3B	Fabrication Node N3E
Die Size 954mm²	Die Size 169mm²
Transistor Count 184 Billion	Transistor Count 28 Billion
Transistor Density 193 MTr/mm²	Transistor Density 165 MTr/mm²

Images

No images available

No images available

Used In

Laptops -	Laptops MacBook Air 13(M4, Early 2025)
Desktops Mac Studio(M3 Ultra, Early 2025)	Desktops -

Competitors

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AppleM4 (10C8G-FL) vs CPU AppleM3 (8C9G-FL) AppleM4 (10C8G-FL) vs CPU AppleM5 (9C10G-FL) AppleM4 (10C8G-FL) vs CPU AppleM5 (10C10G-FL) Show 12 more