Atom C3958 vs Xeon E5-1650

Primary details

Comparing Xeon E5-1650 and Atom C3958 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1203	1751
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.14	0.57
Market segment	Server	Server
Series	no data	Intel Atom
Power efficiency	3.72	7.54
Architecture codename	Sandy Bridge-E (2011−2013)	Goldmont (2016−2017)
Release date	6 March 2012 (12 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	$175	$449

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-1650 has 977% better value for money than Atom C3958.

Detailed specifications

Xeon E5-1650 and Atom C3958 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)	16 (Hexadeca-Core)
Threads	12	16
Base clock speed	3.2 GHz	2 GHz
Boost clock speed	3.8 GHz	2 GHz
Multiplier	no data	20
L1 cache	64 KB (per core)	896 KB
L2 cache	256 KB (per core)	16 MB
L3 cache	12288 KB (shared)	16 MB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	64 °C	83 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-1650 and Atom C3958 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 (Uniprocessor)
Socket	FCLGA2011	FCBGA1310
Power consumption (TDP)	130 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1650 and Atom C3958. 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)	+	+
QuickAssist	no data	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data

Security technologies

Xeon E5-1650 and Atom C3958 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1650 and Atom C3958 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1650 and Atom C3958. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4: 2400
Maximum memory size	256 GB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	51.2 GB/s	38.397 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1650 and Atom C3958.

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	4x10/2.5/1 GBE

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	5.11	2.47
Recency	6 March 2012	15 August 2017
Physical cores	6	16
Threads	12	16
Chip lithography	32 nm	14 nm
Power consumption (TDP)	130 Watt	31 Watt

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Should you still have questions on choice between Xeon E5-1650 and Atom C3958, ask them in Comments section, and we shall answer.

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