A6-7400K vs FX-8100

VS

Aggregate performance score

FX-8100
2011
8 cores / 8 threads, 95 Watt
2.55
+148%
A6-7400K
2014
2 cores / 2 threads, 65 Watt
1.03

FX-8100 outperforms A6-7400K by a whopping 148% based on our aggregate benchmark results.

Primary details

Comparing FX-8100 and A6-7400K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17502453
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.541.50
Architecture codenameZambezi (2011−2012)Kaveri (2014−2015)
Release date12 October 2011 (13 years ago)31 July 2014 (10 years ago)

Detailed specifications

FX-8100 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 cores8 (Octa-Core)2 (Dual-core)
Threads82
Base clock speed2.8 GHz3.5 GHz
Boost clock speed3.7 GHz3.9 GHz
L1 cache384 KB128 KB
L2 cache8 MB1024 KB
L3 cache8 MB (shared)no data
Chip lithography32 nm28 nm
Die size315 mm2245 mm2
Maximum core temperatureno data70 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,200 million2,411 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++

Compatibility

Information on FX-8100 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
SocketAM3+FM2+
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8100 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 FX-8100 and A6-7400K are enumerated here.

AMD-V++
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8100 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 cardno dataAMD Radeon R5 Graphics
iGPU core countno data4
จำนวนพาธไลน์no data256
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of FX-8100 and A6-7400K integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by FX-8100 and A6-7400K integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 12
Vulkan-+

Peripherals

Specifications and connection of peripherals supported by FX-8100 and A6-7400K.

PCIe version2.03.0
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.

FX-8100 2.55
+148%
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.

FX-8100 4055
+147%
A6-7400K 1640

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.

FX-8100 411
+3.3%
A6-7400K 398

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.

FX-8100 1819
+225%
A6-7400K 560

Gaming performance

Pros & cons summary


Performance score 2.55 1.03
Recency 12 October 2011 31 July 2014
Physical cores 8 2
Threads 8 2
Chip lithography 32 nm 28 nm
Power consumption (TDP) 95 Watt 65 Watt

FX-8100 has a 147.6% higher aggregate performance score, and 300% more physical cores and 300% more threads.

A6-7400K, on the other hand, has an age advantage of 2 years, a 14.3% more advanced lithography process, and 46.2% lower power consumption.

The FX-8100 is our recommended choice as it beats the A6-7400K in performance tests.


Should you still have questions on choice between FX-8100 and A6-7400K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD FX-8100
FX-8100
AMD A6-7400K
A6-7400K

Similar processor comparisons

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.


3.8 64 votes

Rate FX-8100 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.4 84 votes

Rate A6-7400K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about FX-8100 or A6-7400K, agree or disagree with our judgements, or report an error or mismatch.