Xeon D-1844NT vs Celeron B840

Primary details

Comparing Celeron B840 and Xeon D-1844NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2779	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Celeron	no data
Power efficiency	1.64	no data
Architecture codename	Sandy Bridge (2011−2013)	no data
Release date	1 July 2011 (13 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$86	no data

Detailed specifications

Celeron B840 and Xeon D-1844NT 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)	10 (Deca-Core)
Threads	2	20
Base clock speed	1.9 GHz	2 GHz
Boost clock speed	1.9 GHz	3.1 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	19	no data
L1 cache	128 KB	no data
L2 cache	512 KB	no data
L3 cache	2 MB (shared)	15360 KB
Chip lithography	32 nm	no data
Die size	131 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron B840 and Xeon D-1844NT 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 (Uniprocessor)	no data
Socket	FCPGA988,PGA988	FCBGA2227
Power consumption (TDP)	35 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B840 and Xeon D-1844NT. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
AES-NI	-	+
FMA	+	-
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
My WiFi	+	no data
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Celeron B840 and Xeon D-1844NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
SGX	no data	Yes with Intel® SPS
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B840 and Xeon D-1844NT are enumerated here.

VT-d	-	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B840 and Xeon D-1844NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B840 and Xeon D-1844NT integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron B840 and Xeon D-1844NT.

PCIe version	2.0	4.0
PCI Express lanes	16	16
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

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Recency	1 July 2011	1 October 2023
Physical cores	2	10
Threads	2	20
Power consumption (TDP)	35 Watt	55 Watt

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Should you still have questions on choice between Celeron B840 and Xeon D-1844NT, ask them in Comments section, and we shall answer.

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