i7-12700KF vs A8-3820

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Aggregate performance score

A8-3820
2011
4 cores / 4 threads, 65 Watt
1.37
Core i7-12700KF
2021
12 cores / 20 threads, 125 Watt
21.59
+1476%

Core i7-12700KF outperforms A8-3820 by a whopping 1476% based on our aggregate benchmark results.

Primary details

Comparing A8-3820 and Core i7-12700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2237246
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data44.18
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i7
Power efficiency1.9816.26
Architecture codenameLlano (2011−2012)Alder Lake, Golden Cove, Gracemont (2021)
Release date20 December 2011 (12 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)no data$384

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-3820 and Core i7-12700KF 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)12 (Dodeca-Core)
Threads420
Base clock speed2.5 GHz3.6 GHz
Boost clock speed2.8 GHz5 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data36
L1 cache128 KB (per core)80K (per core)
L2 cache1 MB (per core)1.25 MB (per core)
L3 cache0 KB25 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size228 mm2215.25 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on A8-3820 and Core i7-12700KF 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)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3820 and Core i7-12700KF. 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-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

A8-3820 and Core i7-12700KF technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3820 and Core i7-12700KF 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 A8-3820 and Core i7-12700KF. 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 data76.805 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 A8-3820 and Core i7-12700KF.

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.

A8-3820 1.37
i7-12700KF 21.59
+1476%

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.

A8-3820 2180
i7-12700KF 34290
+1473%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

A8-3820 304
i7-12700KF 2542
+736%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

A8-3820 929
i7-12700KF 13710
+1376%

Gaming performance

Pros & cons summary


Performance score 1.37 21.59
Recency 20 December 2011 4 November 2021
Physical cores 4 12
Threads 4 20
Power consumption (TDP) 65 Watt 125 Watt

A8-3820 has 92.3% lower power consumption.

i7-12700KF, on the other hand, has a 1475.9% higher aggregate performance score, an age advantage of 9 years, and 200% more physical cores and 400% more threads.

The Core i7-12700KF is our recommended choice as it beats the A8-3820 in performance tests.


Should you still have questions on choice between A8-3820 and Core i7-12700KF, ask them in Comments section, and we shall answer.

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AMD A8-3820
A8-3820
Intel Core i7-12700KF
Core i7-12700KF

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Community ratings

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Questions & comments

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