Xeon W-3365 vs Atom Z520PT

Primary details

Comparing Atom Z520PT and Xeon W-3365 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	88
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	no data
Power efficiency	no data	13.03
Architecture codename	Silverthorne (2008−2010)	Ice Lake-W (2021)
Release date	2 March 2009 (15 years ago)	29 July 2021 (3 years ago)

Detailed specifications

Atom Z520PT and Xeon W-3365 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)	32 (Dotriaconta-Core)
Threads	2	64
Base clock speed	1.33 GHz	2.7 GHz
Boost clock speed	1.33 GHz	4 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	8 GT/s
Multiplier	10	no data
L1 cache	56 KB (per core)	64K (per core)
L2 cache	512 KB (per core)	1 MB (per core)
L3 cache	0 KB	48 MB (shared)
Chip lithography	45 nm	10 nm
Die size	26 mm2	no data
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	no data	81 °C
Number of transistors	47 million	no data
64 bit support	-	+
Windows 11 compatibility	-	+
VID voltage range	0.9V-1.1V	no data

Compatibility

Information on Atom Z520PT and Xeon W-3365 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	FCBGA437,PBGA441	FCLGA4189
Power consumption (TDP)	2.2 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z520PT and Xeon W-3365. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® AVX-512
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	-
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Atom Z520PT and Xeon W-3365 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
SGX	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z520PT and Xeon W-3365 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z520PT and Xeon W-3365. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	unknown	DDR4-3200
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z520PT and Xeon W-3365.

PCIe version	no data	4
PCI Express lanes	no data	64

Pros & cons summary

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Recency	2 March 2009	29 July 2021
Physical cores	1	32
Threads	2	64
Chip lithography	45 nm	10 nm
Power consumption (TDP)	2 Watt	270 Watt

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