Xeon D-1813NT vs Ultra 7 155U

Primary details

Comparing Core Ultra 7 155U and Xeon D-1813NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	734	1237
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Meteor Lake-U	no data
Power efficiency	66.62	10.97
Architecture codename	Meteor Lake-P (2023)	no data
Release date	14 December 2023 (less than a year ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$490	no data

Detailed specifications

Core Ultra 7 155U and Xeon D-1813NT 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	14	8
Base clock speed	1.7 GHz	2.2 GHz
Boost clock speed	4.8 GHz	2.4 GHz
L1 cache	112 KB (per core)	no data
L2 cache	2 MB (per core)	no data
L3 cache	12 MB (shared)	10240 KB
Chip lithography	Intel 4 nm	no data
Maximum core temperature	110 °C	no data
64 bit support	+	+

Compatibility

Information on Core Ultra 7 155U and Xeon D-1813NT 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	no data
Socket	FCBGA2049	FCBGA2227
Power consumption (TDP)	15 Watt	42 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155U and Xeon D-1813NT. You'll probably need this information if you require some particular technology.

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

Security technologies

Core Ultra 7 155U and Xeon D-1813NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
SGX	no data	Yes with Intel® SPS
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155U and Xeon D-1813NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155U and Xeon D-1813NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4
Maximum memory size	96 GB	256 GB
Max memory channels	2	2
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155U and Xeon D-1813NT integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155U and Xeon D-1813NT integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core Ultra 7 155U and Xeon D-1813NT integrated GPUs, sometimes API versions are included.

DirectX	12.2	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155U and Xeon D-1813NT.

PCIe version	4.0	4.0
PCI Express lanes	12	16
PCI support	4.0	no data
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

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	10.56	4.87
Recency	14 December 2023	1 October 2023
Physical cores	12	4
Threads	14	8
Power consumption (TDP)	15 Watt	42 Watt

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Should you still have questions on choice between Core Ultra 7 155U and Xeon D-1813NT, ask them in Comments section, and we shall answer.

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