Atom x5-E3940 vs C3558

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Aggregate performance score

Atom C3558
2017
4 cores / 4 threads, 16 Watt
1.53
+24.4%
Atom x5-E3940
2014
4 cores / 4 threads, 10 Watt
1.23

Atom C3558 outperforms Atom x5-E3940 by a significant 24% based on our aggregate benchmark results.

Primary details

Comparing Atom C3558 and Atom x5-E3940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21392324
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.47no data
Market segmentServerLaptop
SeriesIntel Atom5x Intel Atom
Power efficiency9.0411.63
Architecture codenameGoldmont (2016−2017)Apollo Lake (2014−2016)
Release date15 August 2017 (7 years ago)30 August 2014 (10 years ago)
Launch price (MSRP)$86no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Atom C3558 and Atom x5-E3940 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 cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed2.2 GHz1.6 GHz
Boost clock speed2.2 GHz1.8 GHz
Multiplier22no data
L1 cache224 KB56K (per core)
L2 cache8 MB2 MB (shared)
L3 cache8 MB0 KB
Chip lithography14 nm14 nm
Maximum core temperature83 °Cno data
Maximum case temperature (TCase)no data103 °C
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Atom C3558 and Atom x5-E3940 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCBGA1310Intel BGA 1296
Power consumption (TDP)16 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3558 and Atom x5-E3940. You'll probably need this information if you require some particular technology.

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

Security technologies

Atom C3558 and Atom x5-E3940 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
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 C3558 and Atom x5-E3940 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3558 and Atom x5-E3940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4: 2133DDR3-1866
Maximum memory size256 GB8 GB
Max memory channels2no data
Maximum memory bandwidth29.871 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 500

Peripherals

Specifications and connection of peripherals supported by Atom C3558 and Atom x5-E3940.

PCIe version32.0
PCI Express lanes124
USB revision3no data
Total number of SATA ports12no data
Max number of SATA 6 Gb/s Ports12no data
Number of USB ports8no data
Integrated LAN2x10/2.5/1 GBE + 2x2.5/1 GBEno 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.


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 C3558 1.53
+24.4%
Atom x5-E3940 1.23

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom C3558 2431
+24.5%
Atom x5-E3940 1953

Gaming performance

Pros & cons summary


Performance score 1.53 1.23
Recency 15 August 2017 30 August 2014
Power consumption (TDP) 16 Watt 10 Watt

Atom C3558 has a 24.4% higher aggregate performance score, and an age advantage of 2 years.

Atom x5-E3940, on the other hand, has 60% lower power consumption.

The Atom C3558 is our recommended choice as it beats the Atom x5-E3940 in performance tests.

Be aware that Atom C3558 is a server/workstation processor while Atom x5-E3940 is a notebook one.


Should you still have questions on choice between Atom C3558 and Atom x5-E3940, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Atom C3558
Atom C3558
Intel Atom x5-E3940
Atom x5-E3940

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4 1 vote

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2.1 7 votes

Rate Atom x5-E3940 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about Atom C3558 or Atom x5-E3940, agree or disagree with our judgements, or report an error or mismatch.