i7-12700KF vs Ryzen 9 3900XT

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Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.56
Core i7-12700KF
2021
12 cores / 20 threads, 125 Watt
21.59
+5%

Core i7-12700KF outperforms Ryzen 9 3900XT by a small 5% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and Core i7-12700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking274247
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation26.0644.05
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9Intel Core i7
Power efficiency18.5316.35
Architecture codenameMatisse 2 (2020)Alder Lake, Golden Cove, Gracemont (2021)
Release date16 June 2020 (4 years ago)27 October 2021 (3 years ago)
Launch price (MSRP)$499$384

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-12700KF has 69% better value for money than Ryzen 9 3900XT.

Detailed specifications

Ryzen 9 3900XT and Core i7-12700KF 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)12 (Dodeca-Core)
Threads2420
Base clock speed3.8 GHz3.6 GHz
Boost clock speed4.7 GHz5 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data36
L1 cache768 KB384 KB
L2 cache6 MB2 MB
L3 cache64 MB1 MB
Chip lithography7 nm, 12 nmIntel 7 nm
Die size74 mm2215.25 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °C72 °C
Number of transistors3,800 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3900XT and Core i7-12700KF 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)105 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Core i7-12700KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® 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 3900XT and Core i7-12700KF 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 3900XT and Core i7-12700KF 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 3900XT and Core i7-12700KF. 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
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Core i7-12700KF.

PCIe version4.05.0 and 4.0
PCI Express lanesno data20

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 3900XT 20.56
i7-12700KF 21.59
+5%

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 3900XT 32660
i7-12700KF 34293
+5%

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 3900XT 1741
i7-12700KF 2542
+46%

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 3900XT 9909
i7-12700KF 13726
+38.5%

Gaming performance

Pros & cons summary


Performance score 20.56 21.59
Recency 16 June 2020 27 October 2021
Threads 24 20
Power consumption (TDP) 105 Watt 125 Watt

Ryzen 9 3900XT has 20% more threads, and 19% lower power consumption.

i7-12700KF, on the other hand, has a 5% higher aggregate performance score, and an age advantage of 1 year.

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 3900XT and Core i7-12700KF.


Should you still have questions on choice between Ryzen 9 3900XT and Core i7-12700KF, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900XT
Ryzen 9 3900XT
Intel Core i7-12700KF
Core i7-12700KF

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Community ratings

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Questions & comments

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