Ultra 7 265T vs Xeon E3-1578L v5

Primary details

Comparing Xeon E3-1578L v5 and Core Ultra 7 265T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Series	Intel Xeon E3	no data
Architecture codename	Skylake-H (2015−2016)	Arrow Lake-S (2024−2025)
Release date	31 May 2016 (8 years ago)	January 2025
Launch price (MSRP)	$449	no data

Detailed specifications

Xeon E3-1578L v5 and Core Ultra 7 265T 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	4 (Quad-Core)	20 (Icosa-Core)
Threads	8	20
Base clock speed	2 GHz	1.5 GHz
Boost clock speed	2 GHz	5.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	20	no data
L1 cache	256 KB	112 KB (per core)
L2 cache	1 MB	3 MB (per core)
L3 cache	8 MB (shared)	30 MB (shared)
Chip lithography	14 nm	3 nm
Die size	171 mm2	243 mm2
Number of transistors	2,300 million	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E3-1578L v5 and Core Ultra 7 265T 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	1 (Uniprocessor)	1
Socket	Intel BGA 1440	1851
Power consumption (TDP)	45 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1578L v5 and Core Ultra 7 265T. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
TSX	+	+

Security technologies

Xeon E3-1578L v5 and Core Ultra 7 265T technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1578L v5 and Core Ultra 7 265T are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1578L v5 and Core Ultra 7 265T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1866	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel Iris Pro Graphics P580

Arc Xe-LPG Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1578L v5 and Core Ultra 7 265T.

PCIe version	3.0	5.0
PCI Express lanes	16	20

Pros & cons summary

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Physical cores	4	20
Threads	8	20
Chip lithography	14 nm	3 nm
Power consumption (TDP)	45 Watt	35 Watt

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Should you still have questions on choice between Xeon E3-1578L v5 and Core Ultra 7 265T, ask them in Comments section, and we shall answer.

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