A6-7400K vs A8-3870K

VS

Aggregate performance score

A8-3870K
2011
4 cores / 4 threads, 100 Watt
1.47
+42.7%
A6-7400K
2014
2 cores / 2 threads, 65 Watt
1.03

A8-3870K outperforms A6-7400K by a considerable 43% based on our aggregate benchmark results.

Primary details

Comparing A8-3870K and A6-7400K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21752453
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.391.50
Architecture codenameLlano (2011−2012)Kaveri (2014−2015)
Release date20 December 2011 (13 years ago)31 July 2014 (10 years ago)

Detailed specifications

A8-3870K and A6-7400K 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 GHz3.5 GHz
Boost clock speed3 GHz3.9 GHz
L1 cache128 KB (per core)128 KB
L2 cache1 MB (per core)1024 KB
L3 cache0 KBno data
Chip lithography32 nm28 nm
Die size228 mm2245 mm2
Maximum core temperatureno data70 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,178 million2,411 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++

Compatibility

Information on A8-3870K and A6-7400K 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

Technologies and extensions

Technological solutions and additional instructions supported by A8-3870K and A6-7400K. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+
FRTC-+
FreeSync-+
TrueAudio-+
PowerNow-+
PowerGating-+
Out-of-band client management-+
VirusProtect-+
HSA-+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3870K and A6-7400K are enumerated here.

AMD-V++
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3870K and A6-7400K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1866
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 6550DAMD Radeon R5 Graphics
iGPU core countno data4
จำนวนพาธไลน์no data256
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of A8-3870K and A6-7400K integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by A8-3870K and A6-7400K integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 12
Vulkan-+

Peripherals

Specifications and connection of peripherals supported by A8-3870K and A6-7400K.

PCIe versionno data3.0
PCI Express lanesno data16

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
+42.7%
A6-7400K 1.03

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
+42%
A6-7400K 1640

Gaming performance

Pros & cons summary


Performance score 1.47 1.03
Recency 20 December 2011 31 July 2014
Physical cores 4 2
Threads 4 2
Chip lithography 32 nm 28 nm
Power consumption (TDP) 100 Watt 65 Watt

A8-3870K has a 42.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A6-7400K, on the other hand, has an age advantage of 2 years, a 14.3% more advanced lithography process, and 53.8% lower power consumption.

The A8-3870K is our recommended choice as it beats the A6-7400K in performance tests.


Should you still have questions on choice between A8-3870K and A6-7400K, ask them in Comments section, and we shall answer.

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AMD A8-3870K
A8-3870K
AMD A6-7400K
A6-7400K

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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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3.4 84 votes

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Questions & comments

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