Ultra 7 155U vs Xeon w7-3445

Primary details

Comparing Xeon w7-3445 and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	139	733
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	44.89	no data
Market segment	Server	Laptop
Series	no data	Intel Meteor Lake-U
Power efficiency	10.56	66.56
Architecture codename	Sapphire Rapids (2023−2024)	Meteor Lake-P (2023)
Release date	15 February 2023 (1 year ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$1,989	$490

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon w7-3445 and Core Ultra 7 155U 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	20 (Icosa-Core)	12 (Dodeca-Core)
Threads	40	14
Base clock speed	2.6 GHz	1.7 GHz
Boost clock speed	4.8 GHz	4.8 GHz
L1 cache	80 KB (per core)	112 KB (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	52.5 MB	12 MB (shared)
Chip lithography	Intel 7 nm	Intel 4 nm
Die size	4x 477 mm2	no data
Maximum core temperature	no data	110 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon w7-3445 and Core Ultra 7 155U 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	1
Socket	FCLGA4677	FCBGA2049
Power consumption (TDP)	270 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w7-3445 and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	+	-
Deep Learning Boost	+	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Xeon w7-3445 and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
SGX	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon w7-3445 and Core Ultra 7 155U are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w7-3445 and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5
Maximum memory size	4 TB	96 GB
Max memory channels	8	2
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel® Graphics
Quick Sync Video	-	+
Graphics max frequency	no data	1.95 GHz

Graphics interfaces

Available interfaces and connections of Xeon w7-3445 and Core Ultra 7 155U integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon w7-3445 and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon w7-3445 and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectX	no data	12.2
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon w7-3445 and Core Ultra 7 155U.

PCIe version	5.0	4.0
PCI Express lanes	112	12
PCI support	no data	4.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	30.13	10.55
Recency	15 February 2023	14 December 2023
Physical cores	20	12
Threads	40	14
Power consumption (TDP)	270 Watt	15 Watt

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Should you still have questions on choice between Xeon w7-3445 and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

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