Core Ultra 5 134U vs Xeon D-1581

Primary details

Comparing Xeon D-1581 and Core Ultra 5 134U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	831	895
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.73	no data
Market segment	Server	Laptop
Series	Intel Xeon D	Intel Meteor Lake-U
Architecture codename	Broadwell (2015−2019)	Meteor Lake-U
Release date	24 February 2016 (8 years ago)	14 December 2023 (less than a year ago)
Current price	$728	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-1581 and Core Ultra 5 134U 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	16 (Hexadeca-Core)	12 (Dodeca-Core)
Threads	32	14
Base clock speed	1.8 GHz	3.6 GHz
Boost clock speed	2.4 GHz	4.4 GHz
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	1.5 MB (per core)	12 MB
Chip lithography	14 nm	7 nm
Die size	306.18 mm2	no data
Maximum case temperature (TCase)	80 °C	no data
Number of transistors	3,200 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon D-1581 and Core Ultra 5 134U 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	FCBGA1667	FCBGA2551
Power consumption (TDP)	65 Watt	9 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1581 and Core Ultra 5 134U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	no data	+
GPIO	+	no data
Turbo Boost Max 3.0	no data	-
Status	Launched	Launched

Security technologies

Xeon D-1581 and Core Ultra 5 134U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1581 and Core Ultra 5 134U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1581 and Core Ultra 5 134U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR3	DDR5
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	34.124 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® Graphics
Quick Sync Video	no data	+
Graphics max frequency	no data	1.75 GHz

Graphics interfaces

Available interfaces and connections of Xeon D-1581 and Core Ultra 5 134U integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Xeon D-1581 and Core Ultra 5 134U 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 D-1581 and Core Ultra 5 134U 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 D-1581 and Core Ultra 5 134U.

PCIe version	2.0/3.0	no data
PCI Express lanes	32	12
PCI support	no data	4.0 and 3.0
USB revision	2.0/3.0	no data
Total number of SATA ports	6	no data
Number of USB ports	8	no data
Integrated LAN	+	no data
UART	+	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.

Xeon D-1581 outperforms Core Ultra 5 134U by 12% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	8.59	7.69
Recency	24 February 2016	14 December 2023
Physical cores	16	12
Threads	32	14
Chip lithography	14 nm	7 nm
Power consumption (TDP)	65 Watt	9 Watt

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Should you still have questions on choice between Xeon D-1581 and Core Ultra 5 134U, ask them in Comments section, and we shall answer.

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