Ultra 7 256V vs Xeon E-2456

Primary details

Comparing Xeon E-2456 and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	470	631
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	93.01	no data
Market segment	Server	Laptop
Power efficiency	17.71	67.69
Architecture codename	Raptor Lake-S (2023−2024)	Lunar Lake (2024)
Release date	14 December 2023 (less than a year ago)	24 September 2024 (less than a year ago)
Launch price (MSRP)	$375	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E-2456 and Core Ultra 7 256V 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	8
Base clock speed	3.3 GHz	2.2 GHz
Boost clock speed	5.1 GHz	4.8 GHz
Bus rate	16 GT/s	37 MHz
L1 cache	80 KB (per core)	192 KB (per core)
L2 cache	1.25 MB (per core)	2.5 MB (per core)
L3 cache	18 MB (shared)	12 MB (shared)
Chip lithography	Intel 7 nm	3 nm
Die size	163 mm2	no data
Maximum core temperature	100 °C	100 °C
64 bit support	+	+

Compatibility

Information on Xeon E-2456 and Core Ultra 7 256V 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	FCLGA1700	Intel BGA 2833
Power consumption (TDP)	80 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2456 and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon E-2456 and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2456 and Core Ultra 7 256V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E-2456 and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Arc 140V

Peripherals

Specifications and connection of peripherals supported by Xeon E-2456 and Core Ultra 7 256V.

PCIe version	5	5.0
PCI Express lanes	16	4

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	15.25	12.39
Recency	14 December 2023	24 September 2024
Physical cores	6	8
Threads	12	8
Power consumption (TDP)	80 Watt	17 Watt

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Should you still have questions on choice between Xeon E-2456 and Core Ultra 7 256V, ask them in Comments section, and we shall answer.

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