Xeon E7-8837 vs Atom Z620

Primary details

Comparing Atom Z620 and Xeon E7-8837 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	Intel Xeon E7
Architecture codename	Lincroft (2010−2011)	Westmere (2010−2011)
Release date	4 May 2010 (14 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	no data	$2,280

Detailed specifications

Atom Z620 and Xeon E7-8837 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)	8 (Octa-Core)
Threads	2	8
Base clock speed	0.9 GHz	2.66 GHz
Boost clock speed	900 MHz - 1600 MHz (1 core)	2.8 GHz
Bus type	cDMI	QPI
Bus rate	400 MT/s	6.4 GT/s
Multiplier	9	20
L1 cache	56 KB	512 KB
L2 cache	512 KB (per core)	2 MB
L3 cache	0 KB	24 MB
Chip lithography	45 nm	32 nm
Die size	65.2526 mm2	513 mm2
Maximum core temperature	no data	69 °C
Number of transistors	140 million	2600 Million
64 bit support	-	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom Z620 and Xeon E7-8837 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)	8 (Multiprocessor)
Socket	Intel BGA 518	LGA1567
Power consumption (TDP)	1.3 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z620 and Xeon E7-8837. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	1.0
Hyper-Threading Technology	no data	-
Thermal Monitoring	-	+

Security technologies

Atom Z620 and Xeon E7-8837 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 Z620 and Xeon E7-8837 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z620 and Xeon E7-8837. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	2 GB	4 TB
Max memory channels	1	4
Maximum memory bandwidth	3.2 GB/s	34.113 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX535

no data

Pros & cons summary

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Recency	4 May 2010	5 April 2011
Physical cores	1	8
Threads	2	8
Chip lithography	45 nm	32 nm
Power consumption (TDP)	1 Watt	130 Watt

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Should you still have questions on choice between Atom Z620 and Xeon E7-8837, ask them in Comments section, and we shall answer.

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