Ultra 5 225F vs Xeon L5638

Primary details

Comparing Xeon L5638 and Core Ultra 5 225F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1783	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.73	no data
Market segment	Server	Desktop processor
Power efficiency	3.68	no data
Architecture codename	Westmere-EP (2010−2011)	Arrow Lake-S (2024−2025)
Release date	16 March 2010 (14 years ago)	January 2025
Launch price (MSRP)	$90	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon L5638 and Core Ultra 5 225F basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	6 (Hexa-Core)	10 (Deca-Core)
Threads	12	10
Base clock speed	2 GHz	3.3 GHz
Boost clock speed	2.4 GHz	4.9 GHz
L1 cache	64 KB (per core)	112 KB (per core)
L2 cache	256 KB (per core)	3 MB (per core)
L3 cache	12 MB (shared)	21 MB (shared)
Chip lithography	32 nm	3 nm
Die size	239 mm2	243 mm2
Maximum core temperature	85 °C	no data
Number of transistors	1,170 million	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon L5638 and Core Ultra 5 225F compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	2	1
Socket	FCLGA1366,LGA1366	1851
Power consumption (TDP)	60 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5638 and Core Ultra 5 225F. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data

Security technologies

Xeon L5638 and Core Ultra 5 225F technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5638 and Core Ultra 5 225F are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5638 and Core Ultra 5 225F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon L5638 and Core Ultra 5 225F.

PCIe version	2.0	5.0
PCI Express lanes	no data	20

Pros & cons summary

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Physical cores	6	10
Threads	12	10
Chip lithography	32 nm	3 nm
Power consumption (TDP)	60 Watt	65 Watt

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