Ultra 5 245KF vs Ryzen 9 3900X

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Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 125 Watt
20.53
Core Ultra 5 245KF
2024
14 cores / 14 threads, 125 Watt
27.68
+34.8%

Core Ultra 5 245KF outperforms Ryzen 9 3900X by a substantial 35% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking275176
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation21.7382.57
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9no data
Power efficiency15.5420.96
Architecture codenameMatisse (Zen 2) (2019−2020)Arrow Lake-S (2024−2025)
Release date7 July 2019 (5 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$499$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 5 245KF has 280% better value for money than Ryzen 9 3900X.

Detailed specifications

Ryzen 9 3900X and Core Ultra 5 245KF 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)14 (Tetradeca-Core)
Threads2414
Base clock speed3.8 GHz4.2 GHz
Boost clock speed4.6 GHz5.2 GHz
L1 cache96K (per core)112 KB (per core)
L2 cache512K (per core)3 MB (per core)
L3 cache64 MB24 MB (shared)
Chip lithography7 nm, 12 nm3 nm
Die sizeno data243 mm2
Maximum core temperature95 °Cno data
Number of transistors19,200 million17,800 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900X and Core Ultra 5 245KF 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 configuration1 (Uniprocessor)1
SocketAM41851
Power consumption (TDP)125 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
TSX-+
Precision Boost 2+no data

Security technologies

Ryzen 9 3900X and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and Core Ultra 5 245KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900X and Core Ultra 5 245KF.

PCIe versionno data5.0
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 3900X 20.53
Ultra 5 245KF 27.68
+34.8%

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 3900X 32613
Ultra 5 245KF 43973
+34.8%

Gaming performance

Pros & cons summary


Performance score 20.53 27.68
Recency 7 July 2019 24 October 2024
Physical cores 12 14
Threads 24 14
Chip lithography 7 nm 3 nm

Ryzen 9 3900X has 71.4% more threads.

Ultra 5 245KF, on the other hand, has a 34.8% higher aggregate performance score, an age advantage of 5 years, 16.7% more physical cores, and a 133.3% more advanced lithography process.

The Core Ultra 5 245KF is our recommended choice as it beats the Ryzen 9 3900X in performance tests.


Should you still have questions on choice between Ryzen 9 3900X and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 9 3900X
Ryzen 9 3900X
Intel Core Ultra 5 245KF
Core Ultra 5 245KF

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.7 5169 votes

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3.3 12 votes

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Questions & comments

Here you can ask a question about Ryzen 9 3900X or Core Ultra 5 245KF, agree or disagree with our judgements, or report an error or mismatch.