Atom N2800 vs Xeon E5620

Primary details

Comparing Xeon E5620 and Atom N2800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1735	not rated
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	Intel Atom
Architecture codename	Westmere-EP (2010−2011)	Cedarview-M (2011−2012)
Release date	16 March 2010 (14 years ago)	1 December 2011 (12 years ago)
Launch price (MSRP)	$35	$47
Current price	$49 (1.4x MSRP)	$253 (5.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5620 and Atom N2800 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)	2 (Dual-core)
Threads	8	4
Base clock speed	2.4 GHz	1.86 GHz
Boost clock speed	2.66 GHz	1.87 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	12 MB (shared)	0 KB
Chip lithography	32 nm	32 nm
Die size	239 mm2	66 mm2
Maximum core temperature	78 °C	no data
Number of transistors	1,170 million	176 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5620 and Atom N2800 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
Socket	FCLGA1366,LGA1366	FCBGA559
Power consumption (TDP)	80 Watt	6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5620 and Atom N2800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	-	+
Demand Based Switching	+	-
PAE	40 Bit	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E5620 and Atom N2800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5620 and Atom N2800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5620 and Atom N2800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	288 GB	4.88 GB
Max memory channels	3	1
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel Graphics Media Accelerator (GMA) 3650

Peripherals

Specifications and connection of peripherals supported by Xeon E5620 and Atom N2800.

PCIe version

2.0

no data

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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Pros & cons summary

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Recency	16 March 2010	1 December 2011
Physical cores	4	2
Threads	8	4
Cost	$35	$47
Power consumption (TDP)	80 Watt	6 Watt

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