FX-4100 vs Atom C3858

Primary details

Comparing Atom C3858 and FX-4100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1554	1970
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.39	0.24
Market segment	Server	Desktop processor
Series	Intel Atom	no data
Architecture codename	Goldmont (2016−2017)	Zambezi (2011−2012)
Release date	15 August 2017 (6 years ago)	12 October 2011 (12 years ago)
Launch price (MSRP)	$332	no data
Current price	$1249 (3.8x MSRP)	$28

Cost-effectiveness evaluation

Performance per price, higher is better.

Atom C3858 has 63% better value for money than FX-4100.

Detailed specifications

Atom C3858 and FX-4100 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	12	4
Base clock speed	2 GHz	3.6 GHz
Boost clock speed	2 GHz	3.8 GHz
L1 cache	672 KB	192 KB
L2 cache	12 MB	4096 KB
L3 cache	12 MB	8192 KB
Chip lithography	14 nm	32 nm
Die size	no data	315 mm2
Maximum core temperature	83 °C	71 °C
Number of transistors	no data	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	Yes
P0 Vcore voltage	no data	Min: 1.1 V - Max: 1.4125 V

Compatibility

Information on Atom C3858 and FX-4100 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
Socket	FCBGA1310	AM3+
Power consumption (TDP)	25 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3858 and FX-4100. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Status	Launched	no data

Security technologies

Atom C3858 and FX-4100 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3858 and FX-4100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3858 and FX-4100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR3
Maximum memory size	256 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Atom C3858 and FX-4100.

PCIe version	3	n/a
PCI Express lanes	16	no data
USB revision	3	no data
Total number of SATA ports	16	no data
Max number of SATA 6 Gb/s Ports	16	no data
Number of USB ports	8	no data
Integrated LAN	4x10/2.5/1 GBE	no data

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.

Atom C3858 outperforms FX-4100 by 80% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.04	1.69
Recency	15 August 2017	12 October 2011
Physical cores	12	4
Threads	12	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	25 Watt	95 Watt

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Should you still have questions on choice between Atom C3858 and FX-4100, ask them in Comments section, and we shall answer.

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