i5-12600KF vs Ryzen 9 3900

VS

Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
19.34
+10.1%
Core i5-12600KF
2021
10 cores / 16 threads, 125 Watt
17.56

Ryzen 9 3900 outperforms Core i5-12600KF by a moderate 10% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Core i5-12600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking300358
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation20.7448.63
Market segmentDesktop processorDesktop processor
SeriesAMD Matisse (Ryzen 3000 Desktop)Intel Core i5
Power efficiency28.1613.29
Architecture codenameMatisse (Zen 2) (2019−2020)Alder Lake, Golden Cove, Gracemont (2021)
Release date24 September 2019 (5 years ago)27 October 2021 (3 years ago)
Launch price (MSRP)$499$264

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-12600KF has 134% better value for money than Ryzen 9 3900.

Detailed specifications

Ryzen 9 3900 and Core i5-12600KF 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 cores12 (Dodeca-Core)10 (Deca-Core)
Threads2416
Base clock speed3.1 GHz3.7 GHz
Boost clock speed4.3 GHz4.9 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data37
L1 cache768 KB384 KB
L2 cache6 MB9.5 MB
L3 cache64 MB2 MB
Chip lithography7 nm, 12 nmIntel 7 nm
Die size2x 74 mm2215.25 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors7,600 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3900 and Core i5-12600KF 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
SocketAM4FCLGA1700
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Core i5-12600KF. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 9 3900 and Core i5-12600KF technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Core i5-12600KF are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Core i5-12600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800, DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s76.805 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Core i5-12600KF.

PCIe version4.05.0 and 4.0
PCI Express lanes2420

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.

Ryzen 9 3900 19.34
+10.1%
i5-12600KF 17.56

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.

Ryzen 9 3900 30722
+10.1%
i5-12600KF 27901

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.

Ryzen 9 3900 1678
i5-12600KF 2519
+50.1%

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.

Ryzen 9 3900 9543
i5-12600KF 12311
+29%

Gaming performance

Pros & cons summary


Performance score 19.34 17.56
Recency 24 September 2019 27 October 2021
Physical cores 12 10
Threads 24 16
Power consumption (TDP) 65 Watt 125 Watt

Ryzen 9 3900 has a 10.1% higher aggregate performance score, 20% more physical cores and 50% more threads, and 92.3% lower power consumption.

i5-12600KF, on the other hand, has an age advantage of 2 years.

The Ryzen 9 3900 is our recommended choice as it beats the Core i5-12600KF in performance tests.


Should you still have questions on choice between Ryzen 9 3900 and Core i5-12600KF, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900
Ryzen 9 3900
Intel Core i5-12600KF
Core i5-12600KF

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Community ratings

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