Xeon w7-2555X vs X3440

Primary details

Comparing Xeon X3440 and Xeon w7-2555X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2025	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	1.74	no data
Architecture codename	no data	Sapphire Rapids (2023−2024)
Release date	1 July 2009 (15 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	no data	$1,069

Detailed specifications

Xeon X3440 and Xeon w7-2555X 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	4 (Quad-Core)	14 (Tetradeca-Core)
Threads	8	28
Base clock speed	2.53 GHz	3.3 GHz
Boost clock speed	2.93 GHz	4.8 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	8 MB Intel® Smart Cache	33.75 MB
Chip lithography	45 nm	10 nm
Maximum core temperature	73 °C	no data
Maximum case temperature (TCase)	no data	75 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon X3440 and Xeon w7-2555X 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	1
Socket	FCLGA1156,LGA1156	4677
Power consumption (TDP)	95 Watt	210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3440 and Xeon w7-2555X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Demand Based Switching	+	no data
PAE	36 Bit	no data

Security technologies

Xeon X3440 and Xeon w7-2555X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3440 and Xeon w7-2555X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3440 and Xeon w7-2555X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR5
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon X3440 and Xeon w7-2555X.

PCIe version	2.0	5.0
PCI Express lanes	16	64

Pros & cons summary

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Recency	1 July 2009	24 August 2024
Physical cores	4	14
Threads	8	28
Chip lithography	45 nm	10 nm
Power consumption (TDP)	95 Watt	210 Watt

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