Xeon w7-2555X vs Atom Z650

Primary details

Comparing Atom Z650 and Xeon w7-2555X 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	Laptop	Server
Series	Intel Atom	no data
Architecture codename	Lincroft (2010−2011)	Sapphire Rapids (2023−2024)
Release date	11 April 2011 (13 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	no data	$1,069

Detailed specifications

Atom Z650 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	1 (Single-Core)	14 (Tetradeca-Core)
Threads	2	28
Base clock speed	1.2 GHz	3.3 GHz
Boost clock speed	1.2 GHz	4.8 GHz
Bus type	cDMI	no data
Bus rate	400 MT/s	no data
Multiplier	8	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	512 KB (per core)	2 MB (per core)
L3 cache	0 KB	33.75 MB
Chip lithography	45 nm	10 nm
Die size	65 mm2	no data
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	no data	75 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Atom Z650 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 (Uniprocessor)	1
Socket	T-PBGA518	4677
Power consumption (TDP)	3 Watt	210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z650 and Xeon w7-2555X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3	no data
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Atom Z650 and Xeon w7-2555X technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z650 and Xeon w7-2555X are enumerated here.

VT-d	-	+
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z650 and Xeon w7-2555X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5
Maximum memory size	2.93 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	3.2 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX535

N/A

Graphics interfaces

Available interfaces and connections of Atom Z650 and Xeon w7-2555X integrated GPUs.

LVDS

+

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z650 and Xeon w7-2555X.

PCIe version	no data	5.0
PCI Express lanes	no data	64
PCI support	-	no data

Pros & cons summary

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Recency	11 April 2011	24 August 2024
Physical cores	1	14
Threads	2	28
Chip lithography	45 nm	10 nm
Power consumption (TDP)	3 Watt	210 Watt

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Should you still have questions on choice between Atom Z650 and Xeon w7-2555X, ask them in Comments section, and we shall answer.

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