Atom C3958 vs Xeon E5 1680 v4

Primary details

Comparing Xeon E5-1680 v4 and Atom C3958 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	856	1750
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.90	0.53
Market segment	Server	Server
Series	Intel Xeon E5	Intel Atom
Power efficiency	6.05	7.54
Architecture codename	Broadwell-EP (2016)	Goldmont (2016−2017)
Release date	20 June 2016 (8 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	$1,723	$449

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5 1680 v4 has 258% better value for money than Atom C3958.

Detailed specifications

Xeon E5-1680 v4 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	16
Base clock speed	3.4 GHz	2 GHz
Boost clock speed	4 GHz	2 GHz
Bus type	DMI 2.0	no data
Bus rate	5 GT/s	no data
Multiplier	34	20
L1 cache	64K (per core)	896 KB
L2 cache	256K (per core)	16 MB
L3 cache	20 MB (shared)	16 MB
Chip lithography	14 nm	14 nm
Die size	246.24 mm2	no data
Maximum core temperature	no data	83 °C
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	3,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-1680 v4 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 (Uniprocessor)	1 (Uniprocessor)
Socket	FCLGA2011	FCBGA1310
Power consumption (TDP)	140 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1680 v4 and Atom C3958. 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	-
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
Turbo Boost Max 3.0	+	no data

Security technologies

Xeon E5-1680 v4 and Atom C3958 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1680 v4 and Atom C3958 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1680 v4 and Atom C3958. 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	38.397 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1680 v4 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

Pros & cons summary

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Performance score	8.95	2.47
Recency	20 June 2016	15 August 2017
Physical cores	8	16
Power consumption (TDP)	140 Watt	31 Watt

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