U300 vs Xeon E-2456

Primary details

Comparing Xeon E-2456 and U300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	540	1194
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	84.01	no data
Market segment	Server	Laptop
Power efficiency	16.30	9.02
Architecture codename	Raptor Lake-S (2023−2024)	no data
Release date	14 December 2023 (1 year ago)	1 January 2023 (1 year ago)
Launch price (MSRP)	$375	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E-2456 and U300 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)	5 (Penta-Core)
Performance-cores	6	1
Efficient-cores	no data	4
Threads	12	6
Base clock speed	3.3 GHz	no data
Boost clock speed	5.1 GHz	4.4 GHz
Bus rate	16 GT/s	no data
L1 cache	80 KB (per core)	no data
L2 cache	1.25 MB (per core)	no data
L3 cache	18 MB (shared)	8 MB Intel® Smart Cache
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	163 mm2	no data
Maximum core temperature	100 °C	100 °C
64 bit support	+	+

Compatibility

Information on Xeon E-2456 and U300 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	FCBGA1744
Power consumption (TDP)	80 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2456 and U300. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, 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	no data
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon E-2456 and U300 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2456 and U300 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E-2456 and U300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size	128 GB	96 GB
Max memory channels	2	2
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel UHD Graphics for 13th Gen Intel Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.1 GHz
Execution Units	no data	48

Graphics interfaces

Available interfaces and connections of Xeon E-2456 and U300 integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon E-2456 and U300 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz
Max resolution over eDP	no data	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon E-2456 and U300 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon E-2456 and U300.

PCIe version	5	no data
PCI Express lanes	16	20

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	13.78	5.24
Recency	14 December 2023	1 January 2023
Physical cores	6	5
Threads	12	6
Power consumption (TDP)	80 Watt	55 Watt

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Should you still have questions on choice between Xeon E-2456 and U300, ask them in Comments section, and we shall answer.

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