Xeon w7-2555X vs W3540

Primary details

Comparing Xeon W3540 and Xeon w7-2555X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1935	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.18	no data
Market segment	Server	Server
Power efficiency	1.43	no data
Architecture codename	Bloomfield (2008−2010)	Sapphire Rapids (2023−2024)
Release date	30 March 2009 (15 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	$699	$1,069

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3540 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	2.93 GHz	3.3 GHz
Boost clock speed	3.2 GHz	4.8 GHz
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	2 MB (per core)
L3 cache	8 MB (shared)	33.75 MB
Chip lithography	45 nm	10 nm
Die size	263 mm2	no data
Maximum core temperature	68 °C	no data
Maximum case temperature (TCase)	no data	75 °C
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon W3540 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	FCLGA1366	4677
Power consumption (TDP)	130 Watt	210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3540 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 W3540 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 W3540 and Xeon w7-2555X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3540 and Xeon w7-2555X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	24 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon W3540 and Xeon w7-2555X.

PCIe version	2.0	5.0
PCI Express lanes	no data	64

Pros & cons summary

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Recency	30 March 2009	24 August 2024
Physical cores	4	14
Threads	8	28
Chip lithography	45 nm	10 nm
Power consumption (TDP)	130 Watt	210 Watt

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Should you still have questions on choice between Xeon W3540 and Xeon w7-2555X, ask them in Comments section, and we shall answer.

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