i3-N305 vs Atom x5-E3940

VS

Aggregate performance score

Atom x5-E3940
2014
4 cores / 4 threads, 10 Watt
1.23
Core i3-N305
2023
8 cores / 8 threads, 15 Watt
6.27
+410%

Core i3-N305 outperforms Atom x5-E3940 by a whopping 410% based on our aggregate benchmark results.

Primary details

Comparing Atom x5-E3940 and Core i3-N305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23091065
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Series5x Intel Atomno data
Power efficiency11.6439.56
Architecture codenameApollo Lake (2014−2016)Alder Lake-N (2023)
Release date30 August 2014 (10 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)no data$309

Detailed specifications

Atom x5-E3940 and Core i3-N305 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)8 (Octa-Core)
Threads48
Base clock speed1.6 GHz0.1 GHz
Boost clock speed1.8 GHz3.8 GHz
L1 cache56K (per core)96 KB (per core)
L2 cache2 MB (shared)2 MB (per module)
L3 cache0 KB6 MB (shared)
Chip lithography14 nmIntel 7 nm
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)103 °Cno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Atom x5-E3940 and Core i3-N305 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
SocketIntel BGA 1296FCBGA1264
Power consumption (TDP)10 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-E3940 and Core i3-N305. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Hyper-Threading Technologyno data-
Thermal Monitoring-+
GPIOno data+

Security technologies

Atom x5-E3940 and Core i3-N305 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-E3940 and Core i3-N305 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-E3940 and Core i3-N305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR4, DDR5
Maximum memory size8 GB16 GB
Max memory channelsno data1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 500Intel UHD Graphics
Quick Sync Video-+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Atom x5-E3940 and Core i3-N305 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Atom x5-E3940 and Core i3-N305 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@60Hz
Max resolution over DisplayPortno data4096 x 2160@60Hz

Graphics API support

APIs supported by Atom x5-E3940 and Core i3-N305 integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Atom x5-E3940 and Core i3-N305.

PCIe version2.03.0
PCI Express lanes49
USB revisionno data2.0/3.2

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 x5-E3940 1.23
i3-N305 6.27
+410%

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 x5-E3940 1953
i3-N305 9955
+410%

Gaming performance

Pros & cons summary


Performance score 1.23 6.27
Integrated graphics card 0.77 5.58
Recency 30 August 2014 3 January 2023
Physical cores 4 8
Threads 4 8
Power consumption (TDP) 10 Watt 15 Watt

Atom x5-E3940 has 50% lower power consumption.

i3-N305, on the other hand, has a 409.8% higher aggregate performance score, 624.7% faster integrated GPU, an age advantage of 8 years, and 100% more physical cores and 100% more threads.

The Core i3-N305 is our recommended choice as it beats the Atom x5-E3940 in performance tests.


Should you still have questions on choice between Atom x5-E3940 and Core i3-N305, ask them in Comments section, and we shall answer.

Vote for your favorite

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


Intel Atom x5-E3940
Atom x5-E3940
Intel Core i3-N305
Core i3-N305

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.


2.1 7 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 626 votes

Rate Core i3-N305 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Atom x5-E3940 or Core i3-N305, agree or disagree with our judgements, or report an error or mismatch.