A8-3870K vs A6-3420M

VS

Aggregate performance score

A6-3420M
2011
4 cores / 4 threads, 35 Watt
0.85

A8-3870K outperforms A6-3420M by an impressive 79% based on our aggregate benchmark results.

Primary details

Comparing A6-3420M and A8-3870K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25832157
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD A-Seriesno data
Power efficiency2.211.39
Architecture codenameLlano (2011−2012)Llano (2011−2012)
Release date20 December 2011 (12 years ago)20 December 2011 (12 years ago)

Detailed specifications

A6-3420M and A8-3870K 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)4 (Quad-Core)
Threads44
Base clock speed1.5 GHz3 GHz
Boost clock speed2.4 GHz3 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 size228 mm2228 mm2
Number of transistors1,178 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on A6-3420M and A8-3870K 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
SocketFS1FM1
Power consumption (TDP)35 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-3420M and A8-3870K. You'll probably need this information if you require some particular technology.

Instruction set extensions3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480Gno data

Virtualization technologies

Virtual machine speed-up technologies supported by A6-3420M and A8-3870K are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-3420M and A8-3870K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 6520GAMD 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.

A6-3420M 0.85
A8-3870K 1.52
+78.8%

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.

A6-3420M 1294
A8-3870K 2321
+79.4%

Gaming performance

Pros & cons summary


Performance score 0.85 1.52
Integrated graphics card 0.77 1.04
Power consumption (TDP) 35 Watt 100 Watt

A6-3420M has 185.7% lower power consumption.

A8-3870K, on the other hand, has a 78.8% higher aggregate performance score, and 35.1% faster integrated GPU.

The A8-3870K is our recommended choice as it beats the A6-3420M in performance tests.

Be aware that A6-3420M is a notebook processor while A8-3870K is a desktop one.


Should you still have questions on choice between A6-3420M and A8-3870K, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD A6-3420M
A6-3420M
AMD A8-3870K
A8-3870K

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Community ratings

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Questions & comments

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