Atom N550 vs Xeon E5-1620

Primary details

Comparing Xeon E5-1620 and Atom N550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1449	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.16	no data
Market segment	Server	Laptop
Series	no data	Intel Atom
Architecture codename	Sandy Bridge-E (2011−2013)	Pineview (2009−2011)
Release date	6 March 2012 (12 years ago)	1 June 2010 (14 years ago)
Launch price (MSRP)	$313	$86

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-1620 and Atom N550 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	3.6 GHz	1.5 GHz
Boost clock speed	3.8 GHz	1.5 GHz
Bus rate	no data	666 MHz
L1 cache	64 KB (per core)	112 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	10240 KB (shared)	0 KB
Chip lithography	32 nm	45 nm
Die size	294 mm2	87 mm2
Maximum core temperature	64 °C	no data
Number of transistors	1,270 million	176 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-1620 and Atom N550 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	1
Socket	FCLGA2011	FCBGA559
Power consumption (TDP)	130 Watt	8.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1620 and Atom N550. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	-
Status	Discontinued	Discontinued

Security technologies

Xeon E5-1620 and Atom N550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1620 and Atom N550 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1620 and Atom N550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	375 GB	2 GB
Max memory channels	4	1
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Intel GMA 3150

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1620 and Atom N550.

PCIe version	3.0	no data
PCI Express lanes	40	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	6 March 2012	1 June 2010
Physical cores	4	2
Threads	8	4
Chip lithography	32 nm	45 nm
Power consumption (TDP)	130 Watt	8 Watt

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Should you still have questions on choice between Xeon E5-1620 and Atom N550, ask them in Comments section, and we shall answer.

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