Product Compare

Intel Xeon 638 vs Intel Core Ultra 9 285H

	CPU Intel Xeon 638	CPU Intel Core Ultra 9 285H
General Parameters
Release Date	Feb 2026	Jan 2025
Manufacturer	Intel	Intel
Type	Server	Laptop
Core Architecture	Granite Rapids	Arrow Lake
Integrated Graphics	N/A	Arc Graphics 140T
Generation	Xeon 600 (Granite Rapids-WS)
Instruction Set		x86-64
Processor Number		285H
Package
Manufacturing Process	5 nm	3 nm
Socket	Intel Socket 4710	FCBGA-2049
Power Consumption	180 W	35-45 W
Peak Operating Temperature	100°C	110 °C
Foundry	Intel
Die Size	598 mm²
I/O Process Size	10 nm
I/O Die Size	2x 241
Package	FC-LGA18N
Max Turbo Power Consumption		115 W
CPU Performance
Performance Core Base Frequency	3.2 GHz	2.9 GHz
Performance Core Turbo Frequency	4.8 GHz	5.4 GHz
Total Core Count	16	16
Total Thread Count	32	16
Bus Frequency	100 MHz	100 MHz
Multiplier	32.0	29
L1 Cache	112 KB per core	112 K per core
L2 Cache	2 MB per core	2 MB per core
L3 Cache	72 MB shared	24 MB shared
Unlocked Multiplier	Yes	No
SMP	1
Performance Cores		6
Performance Core Threads		6
Efficiency Cores		10
Efficiency Core Threads		10
Efficiency Core Base Frequency		2.7 GHz
Efficiency Core Turbo Frequency		4.5 GHz
Memory Parameters
Memory Types	DDR5-6400	LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Channels	4	2
ECC Memory Support	Yes	No
Max Memory Size		128 GB
Max Memory Bandwidth		102.4 GB/s
Miscellaneous
PCIe Version	5	5.0
PCIe Lanes	80	28
Official Website		Official Link ↗
Graphics Card Parameters
Integrated Graphics		true
GPU Base Frequency		300 MHz
GPU Max Dynamic Frequency		2350 MHz
Shader Units		1024
Texture Units		64
Raster Operation Units		32
Execution Units		8
Power Consumption		35