Xeon D-2876NT vs Pentium D 840 EE

Primary details

Comparing Pentium D 840 EE and Xeon D-2876NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Architecture codename	Smithfield (2005)	no data
Release date	May 2005 (19 years ago)	1 October 2023 (1 year ago)

Detailed specifications

Pentium D 840 EE and Xeon D-2876NT 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)	16 (Hexadeca-Core)
Threads	4	32
Base clock speed	no data	2 GHz
Boost clock speed	3.2 GHz	3.1 GHz
L1 cache	28 KB	no data
L2 cache	2 MB	no data
L3 cache	0 KB	20 MB
Chip lithography	90 nm	no data
Die size	206 mm2	no data
Number of transistors	169 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium D 840 EE and Xeon D-2876NT 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	no data
Socket	775	FCBGA2579
Power consumption (TDP)	130 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 840 EE and Xeon D-2876NT. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium D 840 EE and Xeon D-2876NT technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 840 EE and Xeon D-2876NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 840 EE and Xeon D-2876NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	1 TB
Max memory channels	no data	4
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Pentium D 840 EE and Xeon D-2876NT.

PCIe version	no data	4.0
PCI Express lanes	no data	32
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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Physical cores	2	16
Threads	4	32
Power consumption (TDP)	130 Watt	100 Watt

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Should you still have questions on choice between Pentium D 840 EE and Xeon D-2876NT, ask them in Comments section, and we shall answer.

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