Atom x5-Z8350 vs Xeon E5620

Primary details

Comparing Xeon E5620 and Atom x5-Z8350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1815	2823
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.08	no data
Market segment	Server	Laptop
Series	no data	5x Intel Atom
Power efficiency	2.67	no data
Architecture codename	Westmere-EP (2010−2011)	Cherry Trail (2015−2016)
Release date	16 March 2010 (14 years ago)	8 February 2016 (8 years ago)
Launch price (MSRP)	$35	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5620 and Atom x5-Z8350 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	2.4 GHz	1.44 GHz
Boost clock speed	2.66 GHz	1.92 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	12 MB (shared)	0 KB
Chip lithography	32 nm	14 nm
Die size	239 mm2	no data
Maximum core temperature	78 °C	90 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5620 and Atom x5-Z8350 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	1 (Uniprocessor)
Socket	FCLGA1366,LGA1366	UTFCBGA592
Power consumption (TDP)	80 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5620 and Atom x5-Z8350. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Turbo Boost Max 3.0	no data	-

Security technologies

Xeon E5620 and Atom x5-Z8350 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Boot	no data	+
Identity Protection	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5620 and Atom x5-Z8350 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 E5620 and Atom x5-Z8350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	4 GB
Maximum memory size	288 GB	2 GB
Max memory channels	3	1
Maximum memory bandwidth	25.6 GB/s	12.8 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics (Cherry Trail) (200 - 500 MHz)
Max video memory	no data	2 GB
Graphics max frequency	no data	500 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Xeon E5620 and Atom x5-Z8350 integrated GPUs.

Number of displays supported

no data

2

Graphics image quality

Maximum display resolutions supported by Xeon E5620 and Atom x5-Z8350 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4

no data

1920x1080

Peripherals

Specifications and connection of peripherals supported by Xeon E5620 and Atom x5-Z8350.

PCIe version	2.0	2.0
PCI Express lanes	no data	1
USB revision	no data	3.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	2.26	0.56
Recency	16 March 2010	8 February 2016
Threads	8	4
Chip lithography	32 nm	14 nm

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Should you still have questions on choice between Xeon E5620 and Atom x5-Z8350, ask them in Comments section, and we shall answer.

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