Core Ultra 7 155U vs Xeon E5-4640 v4

Primary details

Comparing Xeon E5-4640 v4 and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	466	679
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	49.40	no data
Market segment	Server	Laptop
Series	Intel Xeon E5	Intel Meteor Lake-U
Architecture codename	Broadwell (2015−2019)	Meteor Lake-P
Release date	20 June 2016 (8 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$2,837	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-4640 v4 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	12 (Dodeca-Core)	12 (Dodeca-Core)
Threads	24	14
Base clock speed	no data	1.7 GHz
Boost clock speed	2.1 GHz	4.8 GHz
Bus support	2 × 8 GT/s	no data
L1 cache	no data	112 KB (per core)
L2 cache	3 MB	2 MB (per core)
L3 cache	30 MB	12 MB
Chip lithography	14 nm	7 nm
Die size	306.18 mm2	no data
Maximum core temperature	80 °C	110 °C
Number of transistors	4700 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-4640 v4 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	4 (Multiprocessor)	1
Socket	no data	BGA2049
Power consumption (TDP)	105 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4640 v4 and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
TSX	+	+

Security technologies

Xeon E5-4640 v4 and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-4640 v4 and Core Ultra 7 155U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-4640 v4 and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR5
Maximum memory size	1,536 GB	no data
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel Graphics 4-Cores iGPU (Arc)

Peripherals

Specifications and connection of peripherals supported by Xeon E5-4640 v4 and Core Ultra 7 155U.

PCIe version	3.0	4.0
PCI Express lanes	40	12

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 E5-4640 v4 outperforms Core Ultra 7 155U by 36% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	14.59	10.76
Recency	20 June 2016	14 December 2023
Threads	24	14
Chip lithography	14 nm	7 nm
Power consumption (TDP)	105 Watt	15 Watt

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Should you still have questions on choice between Xeon E5-4640 v4 and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

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