A8-3820 vs A6-5400K

VS

Aggregate performance score

A6-5400K
2012
2 cores / 2 threads, 65 Watt
0.80
A8-3820
2011
4 cores / 4 threads, 65 Watt
1.37
+71.3%

A8-3820 outperforms A6-5400K by an impressive 71% based on our aggregate benchmark results.

Primary details

Comparing A6-5400K and A8-3820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26172240
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.172.00
Architecture codenameTrinity (2012−2013)Llano (2011−2012)
Release date2 October 2012 (12 years ago)20 December 2011 (13 years ago)

Detailed specifications

A6-5400K and A8-3820 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 cores2 (Dual-core)4 (Quad-Core)
Threads24
Base clock speed3.6 GHz2.5 GHz
Boost clock speed3.8 GHz2.8 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache0 KB0 KB
Chip lithography32 nm32 nm
Die size246 mm2228 mm2
Maximum case temperature (TCase)70 °Cno data
Number of transistors1,178 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A6-5400K and A8-3820 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
SocketFM2FM1
Power consumption (TDP)65 Watt65 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by A6-5400K and A8-3820 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-5400K and A8-3820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon HD 7540DAMD Radeon HD 6550D

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.

A6-5400K 0.80
A8-3820 1.37
+71.3%

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.

A6-5400K 1275
A8-3820 2180
+71%

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.

A6-5400K 383
+26%
A8-3820 304

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.

A6-5400K 516
A8-3820 929
+80%

Gaming performance

Pros & cons summary


Performance score 0.80 1.37
Recency 2 October 2012 20 December 2011
Physical cores 2 4
Threads 2 4

A6-5400K has an age advantage of 9 months.

A8-3820, on the other hand, has a 71.3% higher aggregate performance score, and 100% more physical cores and 100% more threads.

The A8-3820 is our recommended choice as it beats the A6-5400K in performance tests.


Should you still have questions on choice between A6-5400K and A8-3820, ask them in Comments section, and we shall answer.

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AMD A6-5400K
A6-5400K
AMD A8-3820
A8-3820

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Community ratings

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Questions & comments

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