Pentium D 955 vs Xeon E5-2699 v4

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	602	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.74	no data
Market segment	Server	Desktop processor
Series	Intel Xeon E5	no data
Power efficiency	4.11	no data
Designer	Intel	Intel
Architecture codename	Broadwell (2015−2019)	Presler (2005−2007)
Release date	20 June 2016 (9 years ago)	January 2006 (20 years ago)
Launch price (MSRP)	$4,115	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon E5-2699 v4 and Pentium D 955 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	22 (Docosa-Core)	2 (Dual-core)
Threads	44	no data
Base clock speed	2.2 GHz	no data
Boost clock speed	3.6 GHz	3.46 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	no data
Multiplier	22	no data
L1 cache	no data	28 KB
L2 cache	5.5 MB	4096 KB
L3 cache	55 MB	0 KB
Chip lithography	14 nm	65 nm
Die size	456.12 mm2	140 mm2
Maximum core temperature	79 °C	no data
Number of transistors	7200 Million	376 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2699 v4 and Pentium D 955 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)	2
Socket	FCLGA2011	775
Power consumption (TDP)	145 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2699 v4 and Pentium D 955. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data

Security technologies

Xeon E5-2699 v4 and Pentium D 955 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2699 v4 and Pentium D 955 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2699 v4 and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR1, DDR2, DDR3
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	76.8 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2699 v4 and Pentium D 955.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Physical cores	22	2
Chip lithography	14 nm	65 nm
Power consumption (TDP)	145 Watt	130 Watt

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