Ryzen 9 5900X vs FX-4300

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Aggregate performance score

FX-4300
2012
4 cores / 4 threads, 95 Watt
1.88
Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.61
+1209%

Ryzen 9 5900X outperforms FX-4300 by a whopping 1209% based on our aggregate benchmark results.

Primary details

Comparing FX-4300 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1988206
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.3532.24
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 9
Power efficiency1.8722.17
Architecture codenameVishera (2012−2015)Vermeer (Zen3) (2020−2022)
Release date23 October 2012 (12 years ago)5 November 2020 (4 years ago)
Launch price (MSRP)$122$549

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900X has 9111% better value for money than FX-4300.

Detailed specifications

FX-4300 and Ryzen 9 5900X 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)12 (Dodeca-Core)
Threads424
Base clock speed3.8 GHz3.7 GHz
Boost clock speed4 GHz4.8 GHz
Multiplierno data37
L1 cacheno data64K (per core)
L2 cache4096 KB512K (per core)
L3 cacheno data64 MB
Chip lithography32 nm7 nm, 12 nm
Die size315 mm22x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum core temperature71 °Cno data
Maximum case temperature (TCase)no data95 °C
Number of transistors1,200 million0 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 Ryzen 9 5900X 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+AM4
Power consumption (TDP)95 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4300 and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4300 and Ryzen 9 5900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4300 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)-

Peripherals

Specifications and connection of peripherals supported by FX-4300 and Ryzen 9 5900X.

PCIe versionn/a4.0

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
Ryzen 9 5900X 24.61
+1209%

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
Ryzen 9 5900X 39097
+1212%

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
Ryzen 9 5900X 2207
+386%

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
Ryzen 9 5900X 11939
+981%

Gaming performance

Pros & cons summary


Performance score 1.88 24.61
Recency 23 October 2012 5 November 2020
Physical cores 4 12
Threads 4 24
Chip lithography 32 nm 7 nm
Power consumption (TDP) 95 Watt 105 Watt

FX-4300 has 10.5% lower power consumption.

Ryzen 9 5900X, on the other hand, has a 1209% higher aggregate performance score, an age advantage of 8 years, 200% more physical cores and 500% more threads, and a 357.1% more advanced lithography process.

The Ryzen 9 5900X is our recommended choice as it beats the FX-4300 in performance tests.


Should you still have questions on choice between FX-4300 and Ryzen 9 5900X, ask them in Comments section, and we shall answer.

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AMD FX-4300
FX-4300
AMD Ryzen 9 5900X
Ryzen 9 5900X

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Community ratings

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Questions & comments

Here you can ask a question about FX-4300 or Ryzen 9 5900X, agree or disagree with our judgements, or report an error or mismatch.