Xeon E5-2637 vs Atom E665CT

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Primary details

Comparing Atom E665CT and Xeon E5-2637 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1975
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Power efficiencyno data2.22
Architecture codenameStellarton (2010)Sandy Bridge-EP (2012)
Release date22 November 2010 (13 years ago)6 March 2012 (12 years ago)

Detailed specifications

Atom E665CT and Xeon E5-2637 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 cores1 (Single-Core)2 (Dual-core)
Threads24
Base clock speedno data3 GHz
Boost clock speed1.3 GHz3.5 GHz
Bus rateno data8 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache512 KB (per core)256 KB (per core)
L3 cache0 KB5120 KB (shared)
Chip lithography45 nm32 nm
Die size26 mm2294 mm2
Maximum core temperatureno data70 °C
Number of transistors47 million1,270 million
64 bit support-+
Windows 11 compatibility--

Compatibility

Information on Atom E665CT and Xeon E5-2637 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 configuration12
SocketIntel BGA1466FCLGA2011
Power consumption (TDP)7 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E665CT and Xeon E5-2637. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data-
Demand Based Switchingno data+

Security technologies

Atom E665CT and Xeon E5-2637 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E665CT and Xeon E5-2637 are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E665CT and Xeon E5-2637. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR3
Maximum memory sizeno data384 GB
Max memory channelsno data4
Maximum memory bandwidthno data51.2 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel GMA 600no data

Peripherals

Specifications and connection of peripherals supported by Atom E665CT and Xeon E5-2637.

PCIe versionno data3.0
PCI Express lanesno data40

Pros & cons summary


Recency 22 November 2010 6 March 2012
Physical cores 1 2
Threads 2 4
Chip lithography 45 nm 32 nm
Power consumption (TDP) 7 Watt 80 Watt

Atom E665CT has 1042.9% lower power consumption.

Xeon E5-2637, on the other hand, has an age advantage of 1 year, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.

We couldn't decide between Atom E665CT and Xeon E5-2637. We've got no test results to judge.

Be aware that Atom E665CT is a notebook processor while Xeon E5-2637 is a server/workstation one.


Should you still have questions on choice between Atom E665CT and Xeon E5-2637, ask them in Comments section, and we shall answer.

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Intel Atom E665CT
Atom E665CT
Intel Xeon E5-2637
Xeon E5-2637

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