A4-5300B vs A8-3870K

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Aggregate performance score

A8-3870K
2011
4 cores / 4 threads, 100 Watt
1.47
+86.1%
A4-5300B
2012
2 cores / 2 threads, 65 Watt
0.79

A8-3870K outperforms A4-5300B by an impressive 86% based on our aggregate benchmark results.

Primary details

Comparing A8-3870K and A4-5300B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21752635
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.391.15
Architecture codenameLlano (2011−2012)Trinity (2012−2013)
Release date20 December 2011 (13 years ago)2 October 2012 (12 years ago)

Detailed specifications

A8-3870K and A4-5300B 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)2 (Dual-core)
Threads42
Base clock speed3 GHz3.4 GHz
Boost clock speed3 GHz3.6 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 mm2246 mm2
Maximum case temperature (TCase)no data70 °C
Number of transistors1,178 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A8-3870K and A4-5300B 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
SocketFM1FM2
Power consumption (TDP)100 Watt65 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3870K and A4-5300B are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3870K and A4-5300B. 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 6550DAMD Radeon HD 7480D

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
+86.1%
A4-5300B 0.79

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
+86.7%
A4-5300B 1247

Gaming performance

Pros & cons summary


Performance score 1.47 0.79
Integrated graphics card 1.04 0.72
Recency 20 December 2011 2 October 2012
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 100 Watt 65 Watt

A8-3870K has a 86.1% higher aggregate performance score, 44.4% faster integrated GPU, and 100% more physical cores and 100% more threads.

A4-5300B, on the other hand, has an age advantage of 9 months, and 53.8% lower power consumption.

The A8-3870K is our recommended choice as it beats the A4-5300B in performance tests.


Should you still have questions on choice between A8-3870K and A4-5300B, ask them in Comments section, and we shall answer.

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AMD A8-3870K
A8-3870K
AMD A4-5300B
A4-5300B

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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.


4.1 214 votes

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3.2 66 votes

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Questions & comments

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