Xeon D-1844NT vs D-1557

Primary details

Comparing Xeon D-1557 and Xeon D-1844NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1108	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.97	no data
Market segment	Server	Server
Series	Intel Xeon D	no data
Power efficiency	12.30	no data
Architecture codename	Broadwell (2015−2019)	no data
Release date	24 February 2016 (8 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$694	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-1557 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	12 (Dodeca-Core)	10 (Deca-Core)
Threads	24	20
Base clock speed	1.5 GHz	2 GHz
Boost clock speed	2.1 GHz	3.1 GHz
Bus type	DMI 2.0	no data
Multiplier	15	no data
L1 cache	768 KB	no data
L2 cache	3 MB	no data
L3 cache	18 MB	15360 KB
Chip lithography	14 nm	no data
Die size	306.18 mm2	no data
Maximum case temperature (TCase)	80 °C	no data
Number of transistors	4700 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon D-1557 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	FCBGA1667	FCBGA2227
Power consumption (TDP)	45 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1557 and Xeon D-1844NT. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AVX-512
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	+
GPIO	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon D-1557 and Xeon D-1844NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
SGX	no data	Yes with Intel® SPS
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1557 and Xeon D-1844NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1557 and Xeon D-1844NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR3	DDR4
Maximum memory size	128 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	34.124 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon D-1557 and Xeon D-1844NT.

PCIe version	2.0/3.0	4.0
PCI Express lanes	24	16
USB revision	2.0/3.0	3.0
Total number of SATA ports	6	no data
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	8	4
Integrated LAN	+	+
UART	+	no data

Pros & cons summary

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Recency	24 February 2016	1 October 2023
Physical cores	12	10
Threads	24	20
Power consumption (TDP)	45 Watt	55 Watt

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Should you still have questions on choice between Xeon D-1557 and Xeon D-1844NT, ask them in Comments section, and we shall answer.

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