i5-8400B vs Athlon 64 3100+

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Primary details

Comparing Athlon 64 3100+ and Core i5-8400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3110not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i5
Power efficiency1.14no data
Architecture codenameLima (2008−2009)Coffee Lake (2017−2019)
Release dateApril 2008 (16 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)no data$182

Detailed specifications

Athlon 64 3100+ 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 cores1 (Single-Core)6 (Hexa-Core)
Threads16
Base clock speedno data2.8 GHz
Boost clock speed2 GHz4 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data28
L1 cache128K384 KB
L2 cache512K1.5 MB
L3 cacheno data9 MB
Chip lithography65 nm14 nm
Die size77 mm2126 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)81 °Cno data
Number of transistors122 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Athlon 64 3100+ 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)
SocketAM2FCBGA1440
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 3100+ 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)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Athlon 64 3100+ 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 Athlon 64 3100+ and Core i5-8400B are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 3100+ and Core i5-8400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR4-2666
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 cardno dataIntel 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 Athlon 64 3100+ and Core i5-8400B integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Athlon 64 3100+ 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 Athlon 64 3100+ and Core i5-8400B integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Athlon 64 3100+ and Core i5-8400B.

PCIe versionno data3.0
PCI Express lanesno data16

Pros & cons summary


Physical cores 1 6
Threads 1 6
Chip lithography 65 nm 14 nm
Power consumption (TDP) 25 Watt 65 Watt

Athlon 64 3100+ has 160% lower power consumption.

i5-8400B, on the other hand, has 500% more physical cores and 500% more threads, and a 364.3% more advanced lithography process.

We couldn't decide between Athlon 64 3100+ and Core i5-8400B. We've got no test results to judge.

Note that Athlon 64 3100+ is a desktop processor while Core i5-8400B is a notebook one.


Should you still have questions on choice between Athlon 64 3100+ and Core i5-8400B, ask them in Comments section, and we shall answer.

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AMD Athlon 64 3100+
Athlon 64 3100+
Intel Core i5-8400B
Core i5-8400B

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Community ratings

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4.7 3 votes

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Questions & comments

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