A9-9420 vs FX-4300

VS

Aggregate performance score

FX-4300
2012
4 cores / 4 threads, 95 Watt
1.88
+100%
A9-9420
2016
2 cores / 2 threads, 15 Watt
0.94

FX-4300 outperforms A9-9420 by a whopping 100% based on our aggregate benchmark results.

Primary details

Comparing FX-4300 and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19882523
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.35no data
Market segmentDesktop processorLaptop
Seriesno dataAMD Bristol Ridge
Power efficiency1.875.93
Architecture codenameVishera (2012−2015)Stoney Ridge (2016−2019)
Release date23 October 2012 (12 years ago)31 May 2016 (8 years ago)
Launch price (MSRP)$122no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

FX-4300 and A9-9420 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 speed3.8 GHz3 GHz
Boost clock speed4 GHz3.6 GHz
L1 cacheno data160 KB
L2 cache4096 KB1 MB (shared)
L3 cacheno data0 KB
Chip lithography32 nm28 nm
Die size315 mm2125 mm2
Maximum core temperature71 °C90 °C
Maximum case temperature (TCase)no data74 °C
Number of transistors1,200 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
P0 Vcore voltageMin: 1.225 V - Max: 1.3875 Vno data

Compatibility

Information on FX-4300 and A9-9420 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+FT4
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4300 and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataVirtualization,
AES-NI++
FMA++
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4300 and A9-9420 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4300 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Radeon R5

Peripherals

Specifications and connection of peripherals supported by FX-4300 and A9-9420.

PCIe versionn/a3.0
PCI Express lanesno data8

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-4300 1.88
+100%
A9-9420 0.94

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-4300 2981
+98.7%
A9-9420 1500

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-4300 454
+39.7%
A9-9420 325

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-4300 1104
+121%
A9-9420 500

Gaming performance

Pros & cons summary


Performance score 1.88 0.94
Recency 23 October 2012 31 May 2016
Physical cores 4 2
Threads 4 2
Chip lithography 32 nm 28 nm
Power consumption (TDP) 95 Watt 15 Watt

FX-4300 has a 100% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A9-9420, on the other hand, has an age advantage of 3 years, a 14.3% more advanced lithography process, and 533.3% lower power consumption.

The FX-4300 is our recommended choice as it beats the A9-9420 in performance tests.

Note that FX-4300 is a desktop processor while A9-9420 is a notebook one.


Should you still have questions on choice between FX-4300 and A9-9420, 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-4300
FX-4300
AMD A9-9420
A9-9420

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Community ratings

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Questions & comments

Here you can ask a question about FX-4300 or A9-9420, agree or disagree with our judgements, or report an error or mismatch.