Product Compare

Intel Core Ultra 7 255HX vs Intel Xeon 6377P

	CPU Intel Core Ultra 7 255HX	CPU Intel Xeon 6377P
General Parameters
Release Date	Jan 2025	May 2026
Manufacturer	Intel	Intel
Type	Laptop	Server
Instruction Set	x86-64
Core Architecture	Arrow Lake	Raptor Lake-R
Processor Number	255HX
Integrated Graphics	Arc Graphics (4-Cores)	N/A
Generation	Ultra 7 (Arrow Lake)	Xeon 6 (Raptor Lake Refresh)
Package
Manufacturing Process	3 nm	10 nm
Socket	FCBGA-2114	Intel Socket 1700
Power Consumption	45-55 W	95 W
Max Turbo Power Consumption	160 W
Peak Operating Temperature	105 °C	100°C
Foundry	Intel	Intel
Package	FC-LGA18V	FC-LGA16A
Die Size		257 mm²
CPU Performance
Performance Cores	8
Performance Core Threads	8
Performance Core Base Frequency	2.4 GHz	3.1 GHz
Performance Core Turbo Frequency	5.2 GHz	5.7 GHz
Efficiency Cores	12
Efficiency Core Threads	12
Efficiency Core Base Frequency	1.8 GHz
Efficiency Core Turbo Frequency	4.5 GHz
Total Core Count	20	12
Total Thread Count	20	24
Bus Frequency	100 MHz	100 MHz
Multiplier	24	31.0
L1 Cache	112 K per core	80 KB per core
L2 Cache	2 MB per core	2 MB per core
L3 Cache	30 MB shared	36 MB shared
Unlocked Multiplier	Yes	No
SMP	1	1
Memory Parameters
Memory Types	DDR5-6400	DDR5-4800
Max Memory Size	192 GB
Max Memory Channels	2	2
Max Memory Bandwidth	102.4 GB/s	76.8 GB/s
ECC Memory Support	Yes	Yes
Graphics Card Parameters
Integrated Graphics	true
GPU Base Frequency	300 MHz
GPU Max Dynamic Frequency	1850 MHz
Shader Units	512
Texture Units	32
Raster Operation Units	16
Execution Units	64
Power Consumption	14
Miscellaneous
Official Website	Official Link ↗
PCIe Version	5.0	5
PCIe Lanes	24	16