Celeron 2981U vs Xeon E5-2650 v4

Primary details

Comparing Xeon E5-2650 v4 and Celeron 2981U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	883	2745
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.55	no data
Market segment	Server	Laptop
Series	Intel Xeon E5	Intel Celeron
Power efficiency	7.69	4.08
Architecture codename	Broadwell-EP (2016)	Haswell (2013−2015)
Release date	20 June 2016 (8 years ago)	1 January 2014 (10 years ago)
Launch price (MSRP)	$1,166	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2650 v4 and Celeron 2981U 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)	2 (Dual-core)
Threads	24	2
Base clock speed	2.2 GHz	1.6 GHz
Boost clock speed	2.9 GHz	1.6 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	5 GT/s
Multiplier	22	no data
L1 cache	64 KB (per core)	128 KB
L2 cache	3 MB	512 KB
L3 cache	30 MB (shared)	2 MB
Chip lithography	14 nm	22 nm
Die size	306.18 mm2	no data
Maximum core temperature	80 °C	100 °C
Number of transistors	4700 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2650 v4 and Celeron 2981U 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	2 (Multiprocessor)	1
Socket	FCLGA2011	FCBGA1168
Power consumption (TDP)	105 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650 v4 and Celeron 2981U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Smart Response	no data	-
Demand Based Switching	+	no data
PAE	46 Bit	no data
GPIO	no data	+
Smart Connect	no data	+
FDI	no data	-
AMT	no data	9.5
Matrix Storage	no data	-
HD Audio	no data	+
RST	no data	+

Security technologies

Xeon E5-2650 v4 and Celeron 2981U 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 Xeon E5-2650 v4 and Celeron 2981U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650 v4 and Celeron 2981U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR3
Maximum memory size	1.5 TB	16 GB
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s	25.6 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Xeon E5-2650 v4 and Celeron 2981U integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650 v4 and Celeron 2981U.

PCIe version	3.0	2.0
PCI Express lanes	40	12
PCI support	no data	-
USB revision	no data	3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Integrated IDE	no data	-
Number of USB ports	no data	4
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	8.57	0.65
Recency	20 June 2016	1 January 2014
Physical cores	12	2
Threads	24	2
Chip lithography	14 nm	22 nm
Power consumption (TDP)	105 Watt	15 Watt

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Should you still have questions on choice between Xeon E5-2650 v4 and Celeron 2981U, ask them in Comments section, and we shall answer.

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