Xeon E-2456 vs Celeron U3405

Primary details

Comparing Celeron U3405 and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	432
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Celeron	no data
Architecture codename	Westmere (2010−2011)	Raptor Lake-S
Release date	no data	14 December 2023 (less than a year ago)

Detailed specifications

Celeron U3405 and Xeon E-2456 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	2 (Dual-core)	6 (Hexa-Core)
Threads	2	12
Base clock speed	1.06 GHz	3.3 GHz
Boost clock speed	0.07 GHz	5.1 GHz
Bus support	1 × 2.5 GT/s	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	1.25 MB (per core)
L3 cache	2 MB	18 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81 mm2	163 mm2
Maximum core temperature	90 °C	100 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Celeron U3405 and Xeon E-2456 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	BGA1288	FCLGA1700
Power consumption (TDP)	18 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron U3405 and Xeon E-2456. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
FMA	+	no data
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2
Hyper-Threading Technology	-	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched

Security technologies

Celeron U3405 and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron U3405 and Xeon E-2456 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron U3405 and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5-4800
Maximum memory size	8 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	N/A
Clear Video	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron U3405 and Xeon E-2456 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron U3405 and Xeon E-2456.

PCIe version	2.0	5
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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Pros & cons summary

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Physical cores	2	6
Threads	2	12
Power consumption (TDP)	18 Watt	80 Watt

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Should you still have questions on choice between Celeron U3405 and Xeon E-2456, ask them in Comments section, and we shall answer.

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