Product Compare

Intel Xeon 638 vs Apple M3 Max

	CPU Intel Xeon 638	CPU Apple M3 Max
General Parameters
Release Date	Feb 2026	Oct 2023
Manufacturer	Intel	Apple
Type	Server	Laptop
Core Architecture	Granite Rapids	Apple M3
Integrated Graphics	N/A	Apple M3 Max GPU (38-core)
Generation	Xeon 600 (Granite Rapids-WS)
Instruction Set		ARMv8
Package
Manufacturing Process	5 nm	3 nm
Socket	Intel Socket 4710	Apple M-Socket
Power Consumption	180 W	56 W
Peak Operating Temperature	100°C	100 °C
Foundry	Intel
Die Size	598 mm²
I/O Process Size	10 nm
I/O Die Size	2x 241
Package	FC-LGA18N
Transistor Count		92 billions
CPU Performance
Performance Core Base Frequency	3.2 GHz	4.05 GHz
Performance Core Turbo Frequency	4.8 GHz	4.05 GHz
Total Core Count	16	16
Total Thread Count	32	16
Bus Frequency	100 MHz
Multiplier	32.0	40
L1 Cache	112 KB per core	192 K per core
L2 Cache	2 MB per core	32 MB shared
L3 Cache	72 MB shared
Unlocked Multiplier	Yes	No
SMP	1
Performance Cores		12
Performance Core Threads		12
Efficiency Cores		4
Efficiency Core Threads		4
Efficiency Core Base Frequency		2.75 GHz
Efficiency Core Turbo Frequency		2.57 GHz
Memory Parameters
Memory Types	DDR5-6400	LPDDR5-6400
Max Memory Channels	4	8
ECC Memory Support	Yes	No
Max Memory Size		128 GB
Max Memory Bandwidth		409.6 GB/s
Miscellaneous
PCIe Version	5	4.0
PCIe Lanes	80
Graphics Card Parameters
Integrated Graphics		true
GPU Base Frequency		500 MHz
GPU Max Dynamic Frequency		1600 MHz
Shader Units		5120
Texture Units		320
Raster Operation Units		160
Execution Units		640
Power Consumption		60