Xeon D-2796NT vs D-1581

Primary details

Comparing Xeon D-1581 and Xeon D-2796NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	912	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon D	no data
Power efficiency	12.09	no data
Architecture codename	Broadwell (2015−2019)	no data
Release date	24 February 2016 (8 years ago)	1 January 2022 (2 years ago)

Detailed specifications

Xeon D-1581 and Xeon D-2796NT 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	16 (Hexadeca-Core)	20 (Icosa-Core)
Threads	32	40
Base clock speed	1.8 GHz	2 GHz
Boost clock speed	2.4 GHz	3.1 GHz
Bus type	DMI 2.0	no data
Multiplier	18	no data
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	1.5 MB (per core)	30 MB
Chip lithography	14 nm	10 nm
Die size	306.18 mm2	no data
Maximum case temperature (TCase)	80 °C	no data
Number of transistors	3,200 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon D-1581 and Xeon D-2796NT 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	FCBGA2579
Power consumption (TDP)	65 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1581 and Xeon D-2796NT. 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-1581 and Xeon D-2796NT 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-1581 and Xeon D-2796NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1581 and Xeon D-2796NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR3	DDR4
Maximum memory size	128 GB	1 TB
Max memory channels	2	4
Maximum memory bandwidth	34.124 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon D-1581 and Xeon D-2796NT.

PCIe version	2.0/3.0	4.0
PCI Express lanes	24	32
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 January 2022
Physical cores	16	20
Threads	32	40
Chip lithography	14 nm	10 nm
Power consumption (TDP)	65 Watt	120 Watt

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