Atom x5-E8000 vs Xeon E5-2640

Primary details

Comparing Xeon E5-2640 and Atom x5-E8000 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1427	2789
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.66	no data
Market segment	Server	Laptop
Series	no data	5x Intel Atom
Power efficiency	3.94	11.55
Architecture codename	Sandy Bridge-EP (2012)	Cherry Trail (2015−2016)
Release date	6 March 2012 (12 years ago)	8 February 2016 (8 years ago)
Launch price (MSRP)	$162	$39

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2640 and Atom x5-E8000 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	4
Base clock speed	2.5 GHz	no data
Boost clock speed	3 GHz	1.04 GHz
Bus rate	7.2 GT/s	no data
Multiplier	no data	10
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	15360 KB (shared)	0 KB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	73 °C	90 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2640 and Atom x5-E8000 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	FCLGA2011	no data
Power consumption (TDP)	95 Watt	5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 and Atom x5-E8000. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data

Security technologies

Xeon E5-2640 and Atom x5-E8000 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 Xeon E5-2640 and Atom x5-E8000 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 Xeon E5-2640 and Atom x5-E8000. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	384 GB	8 GB
Max memory channels	4	no data
Maximum memory bandwidth	42.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 and Atom x5-E8000.

PCIe version	3.0	2.0
PCI Express lanes	40	4

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	3.96	0.61
Recency	6 March 2012	8 February 2016
Physical cores	6	4
Threads	12	4
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	5 Watt

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Should you still have questions on choice between Xeon E5-2640 and Atom x5-E8000, ask them in Comments section, and we shall answer.

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