i5-12400F vs A8-3870K

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Aggregate performance score

A8-3870K
2011
4 cores / 4 threads, 100 Watt
1.47
Core i5-12400F
2022
6 cores / 12 threads, 65 Watt
12.34
+739%

Core i5-12400F outperforms A8-3870K by a whopping 739% based on our aggregate benchmark results.

Primary details

Comparing A8-3870K and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2160619
Place by popularitynot in top-1004
Cost-effectiveness evaluationno data43.60
Market segmentDesktop processorDesktop processor
Power efficiency1.3917.89
Architecture codenameLlano (2011−2012)Alder Lake-S (2022)
Release date20 December 2011 (12 years ago)4 January 2022 (2 years ago)
Launch price (MSRP)no data$180

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-3870K and Core i5-12400F 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)6 (Hexa-Core)
Threads412
Base clock speed3 GHz2.5 GHz
Boost clock speed3 GHz4.4 GHz
L1 cache128 KB (per core)80K (per core)
L2 cache1 MB (per core)1.25 MB (per core)
L3 cache0 KB18 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size228 mm2163 mm2
Maximum core temperatureno data100 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on A8-3870K and Core i5-12400F 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
SocketFM1FCLGA1700
Power consumption (TDP)100 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3870K and Core i5-12400F. 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+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

A8-3870K and Core i5-12400F technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3870K and Core i5-12400F 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 A8-3870K and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 6550Dno data

Peripherals

Specifications and connection of peripherals supported by A8-3870K and Core i5-12400F.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

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.

A8-3870K 1.47
i5-12400F 12.34
+739%

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.

A8-3870K 2328
i5-12400F 19526
+739%

Gaming performance

Pros & cons summary


Performance score 1.47 12.34
Recency 20 December 2011 4 January 2022
Physical cores 4 6
Threads 4 12
Power consumption (TDP) 100 Watt 65 Watt

i5-12400F has a 739.5% higher aggregate performance score, an age advantage of 10 years, 50% more physical cores and 200% more threads, and 53.8% lower power consumption.

The Core i5-12400F is our recommended choice as it beats the A8-3870K in performance tests.


Should you still have questions on choice between A8-3870K and Core i5-12400F, 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.


AMD A8-3870K
A8-3870K
Intel Core i5-12400F
Core i5-12400F

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.


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Questions & comments

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