Apple M5 Max (18C40G) vs Apple M4 Max (14C32G) Full Specs

Summary

18 Cores(6P+12M) 18 Threads(6P+12M) 4.61GHz	14 Cores(10P+4E) 14 Threads(10P+4E) 4.51GHz
TDP 140W	TDP 140W
Bandwidth 614.4GB/s LPDDR5X	Bandwidth 409.6GB/s LPDDR5X
iGPU 40-Core M5 Max	iGPU 32-Core M4 Max
Peak·FP32·FP16 33.18 TFLOPSFP16	Peak·FP32·FP16 12.93 TFLOPSFP16

Highlights

Geekbench 6 Single

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

M5 Max (18C40G)4,340

x1.09

M4 Max (14C32G)3,990

x1

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Core Config

18 Cores 6P 12M -	14 Cores 10P - 4E
18 Threads 6P 12M -	14 Threads 10P - 4E

Clocks

Base Clock 4.61GHz	Base Clock 4.51GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 192KB P 192KB M -	L1i 192KB P - 128KB E
L1d 128KB P 128KB M -	L1d 128KB P - 64KB E
L2 1MB P 16MB P shared 16MB M shared -	L2 32MB P shared - 4MB E shared
SLC Cache 48MB	SLC Cache 48MB

Memory

Type LPDDR5X	Type LPDDR5X
Max Memory 128GB	Max Memory 96GB
ECC No	ECC No
Channels 4	Channels 3
Bus Width 512-bit	Bus Width 384-bit
Speed 9600MT/s	Speed 8533MT/s
Bandwidth 614.4GB/s	Bandwidth 409.6GB/s
Bandwidth Calculator Channels Transfer Rate9600MT/s Calculated Bandwidth 614.4GB/s	Bandwidth Calculator Channels Transfer Rate8533MT/s Calculated Bandwidth 409.6GB/s

Power & Thermals

TDP 140W	TDP 140W
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max

Expansion

PCIe PCIe 4.0 x16 31.5GB/sBandwidth

PCIe PCIe 4.0 x16 31.5GB/sBandwidth

iGPU

iGPU 40-Core M5 Max	iGPU 32-Core M4 Max
Shaders 5120	Shaders 4096
Boost Clock 1.62GHz	Boost Clock 1.58GHz
Peak·FP32·FP16 33.18 TFLOPSFP16	Peak·FP32·FP16 12.93 TFLOPSFP16

NPU

NPU Model H17 Hyperion	NPU Model H16 Aether
NPU Cores 16	NPU Cores 16
NPU Clock 2.45GHz	NPU Clock 2.36GHz
Performance 38 TOPSINT8	Performance 38 TOPSINT8

Chip

Manufacturer Apple	Manufacturer Apple
ISA AArch64	ISA AArch64
Architecture Apple Silicon 15ARMv9.2-A	Architecture Apple Silicon 14ARMv9.2-A
Family M Series	Family M Series
Branding	Branding
Codename Sotra-S M5 MaxVariant AS15PP-Core AS15MM-Core -	Codename Brava M4 MaxVariant AS14PP-Core - AS14EE-Core
Market Segment Desktop	Market Segment Desktop
Release Date Mar 3, 2026	Release Date Oct 30, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N3P	Fabrication Node N3E
Die Size -	Die Size 454mm²
Transistor Count -	Transistor Count 76 Billion
Transistor Density -	Transistor Density 167 MTr/mm²

Images

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Used In

Laptops MacBook Pro 14(M5 Max, Early 2026)MacBook Pro 16(M5 Max, Early 2026)	Laptops MacBook Pro 16(M4 Max, Late 2024)MacBook Pro 14(M4 Max, Late 2024)
Desktops -	Desktops Mac Studio(M4 Max, Early 2025)

Competitors

AppleM5 Max (18C40G) vs CPU AppleM4 Max (16C40G) AppleM5 Max (18C40G) vs CPU AppleM5 Max (18C32G) AppleM5 Max (18C40G) vs CPU AppleM4 Pro (12C16G) Show 12 more

AppleM4 Max (14C32G) vs CPU AppleM5 Max (18C32G) AppleM4 Max (14C32G) vs CPU AppleM4 Max (16C40G) AppleM4 Max (14C32G) vs CPU AppleM5 Pro (15C16G) Show 12 more