Ryzen 9 9900X vs FX-8140

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Aggregate performance score

FX-8140
2012
8 cores / 8 threads, 95 Watt
3.06
Ryzen 9 9900X
2024
12 cores / 24 threads, 120 Watt
34.52
+1028%

Ryzen 9 9900X outperforms FX-8140 by a whopping 1028% based on our aggregate benchmark results.

Primary details

Comparing FX-8140 and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1637109
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data66.82
Market segmentDesktop processorDesktop processor
Power efficiency3.0527.22
Architecture codenameZambezi (2011−2012)Granite Ridge (2024)
Release date23 October 2012 (12 years ago)15 August 2024 (less than a year ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

FX-8140 and Ryzen 9 9900X 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)12 (Dodeca-Core)
Threads824
Base clock speed3.2 GHz4.4 GHz
Boost clock speed4.1 GHz5.6 GHz
L1 cache384 KB80 KB (per core)
L2 cache8 MB1 MB (per core)
L3 cache8 MB (shared)64 MB (shared)
Chip lithography32 nm4 nm
Die size315 mm22x 70.6 mm2
Maximum core temperatureno data95 °C
Number of transistors1,200 million16,630 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++

Compatibility

Information on FX-8140 and Ryzen 9 9900X 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+AM5
Power consumption (TDP)95 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8140 and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8140 and Ryzen 9 9900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8140 and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by FX-8140 and Ryzen 9 9900X.

PCIe version2.05.0
PCI Express lanesno data24

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-8140 3.06
Ryzen 9 9900X 34.52
+1028%

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-8140 4860
Ryzen 9 9900X 54839
+1028%

Gaming performance

Pros & cons summary


Performance score 3.06 34.52
Recency 23 October 2012 15 August 2024
Physical cores 8 12
Threads 8 24
Chip lithography 32 nm 4 nm
Power consumption (TDP) 95 Watt 120 Watt

FX-8140 has 26.3% lower power consumption.

Ryzen 9 9900X, on the other hand, has a 1028.1% higher aggregate performance score, an age advantage of 11 years, 50% more physical cores and 200% more threads, and a 700% more advanced lithography process.

The Ryzen 9 9900X is our recommended choice as it beats the FX-8140 in performance tests.


Should you still have questions on choice between FX-8140 and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

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AMD FX-8140
FX-8140
AMD Ryzen 9 9900X
Ryzen 9 9900X

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Community ratings

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Questions & comments

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