Atom C3850 vs Xeon E5-2695 v4

Primary details

Comparing Xeon E5-2695 v4 and Atom C3850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	640	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.50	no data
Market segment	Server	Server
Series	Intel Xeon E5	Intel Atom
Power efficiency	9.46	no data
Architecture codename	Broadwell (2015−2019)	Goldmont (2016−2017)
Release date	20 June 2016 (8 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	$2,424	$323

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2695 v4 and Atom C3850 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	18 (Octadeca-Core)	12 (Dodeca-Core)
Threads	36	12
Base clock speed	2.1 GHz	2.1 GHz
Boost clock speed	3.3 GHz	2.4 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	no data
Multiplier	21	21
L1 cache	no data	672 KB
L2 cache	4.5 MB	12 MB
L3 cache	45 MB	12 MB
Chip lithography	14 nm	14 nm
Die size	456.12 mm2	no data
Maximum core temperature	84 °C	78 °C
Number of transistors	7200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2695 v4 and Atom C3850 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 (Multiprocessor)	1 (Uniprocessor)
Socket	FCLGA2011	FCBGA1310
Power consumption (TDP)	120 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2695 v4 and Atom C3850. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data

Security technologies

Xeon E5-2695 v4 and Atom C3850 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
Secure Boot	no data	+
Secure Key	+	+
SGX	no data	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2695 v4 and Atom C3850 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2695 v4 and Atom C3850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR4: 2400
Maximum memory size	1.5 TB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s	34.134 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2695 v4 and Atom C3850.

PCIe version	3.0	3
PCI Express lanes	40	16
USB revision	no data	3
Total number of SATA ports	no data	16
Max number of SATA 6 Gb/s Ports	no data	16
Number of USB ports	no data	8
Integrated LAN	no data	2x10/2.5/1 GBE

Pros & cons summary

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Recency	20 June 2016	15 August 2017
Physical cores	18	12
Threads	36	12
Power consumption (TDP)	120 Watt	25 Watt

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Should you still have questions on choice between Xeon E5-2695 v4 and Atom C3850, ask them in Comments section, and we shall answer.

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