i5-8400B vs Atom x7835RE

VS

Primary details

Comparing Atom x7835RE and Core i5-8400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1188not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Seriesno dataIntel Core i5
Power efficiency41.69no data
Architecture codenameAmston Lake (2024)Coffee Lake (2017−2019)
Release date8 April 2024 (less than a year ago)2 April 2018 (6 years ago)
Launch price (MSRP)$127$182

Detailed specifications

Atom x7835RE and Core i5-8400B 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 cores8 (Octa-Core)6 (Hexa-Core)
Threads86
Base clock speed1.3 GHz2.8 GHz
Boost clock speed3.6 GHz4 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data28
L1 cache96 KB (per core)384 KB
L2 cache2 MB (per module)1.5 MB
L3 cache6 MB (shared)9 MB
Chip lithography10 nm14 nm
Die sizeno data126 mm2
Maximum core temperatureno data100 °C
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Atom x7835RE and Core i5-8400B 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 configuration11 (Uniprocessor)
SocketIntel BGA 1264FCBGA1440
Power consumption (TDP)12 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x7835RE and Core i5-8400B. 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++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Atom x7835RE and Core i5-8400B technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x7835RE and Core i5-8400B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x7835RE and Core i5-8400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4-2666
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 32EUIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Atom x7835RE and Core i5-8400B integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Atom x7835RE and Core i5-8400B integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Atom x7835RE and Core i5-8400B integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Atom x7835RE and Core i5-8400B.

PCIe version3.03.0
PCI Express lanes916

Pros & cons summary


Recency 8 April 2024 2 April 2018
Physical cores 8 6
Threads 8 6
Chip lithography 10 nm 14 nm
Power consumption (TDP) 12 Watt 65 Watt

Atom x7835RE has an age advantage of 6 years, 33.3% more physical cores and 33.3% more threads, a 40% more advanced lithography process, and 441.7% lower power consumption.

We couldn't decide between Atom x7835RE and Core i5-8400B. We've got no test results to judge.


Should you still have questions on choice between Atom x7835RE and Core i5-8400B, 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 x7835RE
Atom x7835RE
Intel Core i5-8400B
Core i5-8400B

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.


No user ratings yet.

Rate Atom x7835RE on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 1 vote

Rate Core i5-8400B on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Atom x7835RE or Core i5-8400B, agree or disagree with our judgements, or report an error or mismatch.