Xeon E-2456 vs Celeron 2981U

Primary details

Comparing Celeron 2981U and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2745	471
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	93.01
Market segment	Laptop	Server
Series	Intel Celeron	no data
Power efficiency	4.09	17.71
Architecture codename	Haswell (2013−2015)	Raptor Lake-S (2023−2024)
Release date	1 January 2014 (10 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$375

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron 2981U 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	1.6 GHz	3.3 GHz
Boost clock speed	1.6 GHz	5.1 GHz
Bus rate	5 GT/s	16 GT/s
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	22 nm	Intel 7 nm
Die size	no data	163 mm2
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron 2981U 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	FCBGA1168	FCLGA1700
Power consumption (TDP)	15 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2981U and Xeon E-2456. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	no data
Turbo Boost Max 3.0	no data	-
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Celeron 2981U and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2981U and Xeon E-2456 are enumerated here.

AMD-V	+	-
VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2981U and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800
Maximum memory size	16 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	N/A
Quick Sync Video	+	-
Clear Video	+	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 2981U and Xeon E-2456 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Celeron 2981U and Xeon E-2456.

PCIe version	2.0	5
PCI Express lanes	12	16
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	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.

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Pros & cons summary

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Performance score	0.66	15.25
Recency	1 January 2014	14 December 2023
Physical cores	2	6
Threads	2	12
Power consumption (TDP)	15 Watt	80 Watt

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Should you still have questions on choice between Celeron 2981U and Xeon E-2456, ask them in Comments section, and we shall answer.

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