Atom x7-Z8750 vs Xeon E5-2665

Primary details

Comparing Xeon E5-2665 and Atom x7-Z8750 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1178	2597
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.75	no data
Market segment	Server	Laptop
Series	no data	7x Intel Atom
Power efficiency	4.31	no data
Architecture codename	Sandy Bridge-EP (2012)	Cherry Trail (2015−2016)
Release date	6 March 2012 (12 years ago)	1 April 2016 (8 years ago)
Launch price (MSRP)	$142	$37

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2665 and Atom x7-Z8750 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	2.4 GHz	1.6 GHz
Boost clock speed	3.1 GHz	2.56 GHz
Bus rate	8 GT/s	no data
Multiplier	no data	16
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	20480 KB (shared)	0 KB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	82 °C	90 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2665 and Atom x7-Z8750 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	UTFCBGA1380
Power consumption (TDP)	115 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2665 and Atom x7-Z8750. 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)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
Turbo Boost Max 3.0	no data	-

Security technologies

Xeon E5-2665 and Atom x7-Z8750 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Boot	no data	+
Identity Protection	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2665 and Atom x7-Z8750 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2665 and Atom x7-Z8750. 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	2
Maximum memory bandwidth	51.2 GB/s	25.6 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics 405
Max video memory	no data	8 GB
Graphics max frequency	no data	600 MHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Xeon E5-2665 and Atom x7-Z8750 integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Xeon E5-2665 and Atom x7-Z8750 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	3840x2160
Max resolution over eDP	no data	2560x1600

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2665 and Atom x7-Z8750.

PCIe version	3.0	2.0
PCI Express lanes	40	2
USB revision	no data	3.0
Number of USB ports	no data	3

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	5.43	0.83
Recency	6 March 2012	1 April 2016
Physical cores	8	4
Threads	16	4
Chip lithography	32 nm	14 nm

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Should you still have questions on choice between Xeon E5-2665 and Atom x7-Z8750, ask them in Comments section, and we shall answer.

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