A8-3800 vs FX-4100

VS

Aggregate performance score

FX-4100
2011
4 cores / 4 threads, 95 Watt
1.65
+27.9%
A8-3800
2011
4 cores / 4 threads, 65 Watt
1.29

FX-4100 outperforms A8-3800 by a significant 28% based on our aggregate benchmark results.

Primary details

Comparing FX-4100 and A8-3800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20842286
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.641.88
Architecture codenameZambezi (2011−2012)Llano (2011−2012)
Release date12 October 2011 (13 years ago)30 June 2011 (13 years ago)

Detailed specifications

FX-4100 and A8-3800 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 speed3.6 GHz2.4 GHz
Boost clock speed3.8 GHz2.7 GHz
L1 cache192 KB128 KB (per core)
L2 cache4096 KB1 MB (per core)
L3 cache8192 KB0 KB
Chip lithography32 nm32 nm
Die size315 mm2228 mm2
Maximum core temperature71 °Cno data
Number of transistors1,200 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
P0 Vcore voltageMin: 1.1 V - Max: 1.4125 Vno data

Compatibility

Information on FX-4100 and A8-3800 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+FM1
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4100 and A8-3800. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4100 and A8-3800 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4100 and A8-3800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 6550D

Peripherals

Specifications and connection of peripherals supported by FX-4100 and A8-3800.

PCIe versionn/ano data

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-4100 1.65
+27.9%
A8-3800 1.29

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-4100 2617
+27.7%
A8-3800 2049

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-4100 396
+36.1%
A8-3800 291

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-4100 1005
+13%
A8-3800 889

Gaming performance

Pros & cons summary


Performance score 1.65 1.29
Recency 12 October 2011 30 June 2011
Power consumption (TDP) 95 Watt 65 Watt

FX-4100 has a 27.9% higher aggregate performance score, and an age advantage of 3 months.

A8-3800, on the other hand, has 46.2% lower power consumption.

The FX-4100 is our recommended choice as it beats the A8-3800 in performance tests.


Should you still have questions on choice between FX-4100 and A8-3800, ask them in Comments section, and we shall answer.

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AMD FX-4100
FX-4100
AMD A8-3800
A8-3800

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Community ratings

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Questions & comments

Here you can ask a question about FX-4100 or A8-3800, agree or disagree with our judgements, or report an error or mismatch.