i9-14900KS vs Ryzen 9 3900XT

VS

Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.56
Core i9-14900KS
2024
24 cores / 32 threads, 150 Watt
39.21
+90.7%

Core i9-14900KS outperforms Ryzen 9 3900XT by an impressive 91% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and Core i9-14900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27472
Place by popularitynot in top-10010
Cost-effectiveness evaluation26.06no data
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9no data
Power efficiency18.5324.74
Architecture codenameMatisse 2 (2020)Raptor Lake-R (2023−2024)
Release date16 June 2020 (4 years ago)March 2024 (recently)
Launch price (MSRP)$499$689

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900XT and Core i9-14900KS 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)24 (Tetracosa-Core)
Threads2432
Base clock speed3.8 GHz3.2 GHz
Boost clock speed4.7 GHz5.9 GHz
L1 cache768 KB80 KB (per core)
L2 cache6 MB2 MB (per core)
L3 cache64 MB36 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size74 mm2257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3900XT and Core i9-14900KS 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 Watt150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Core i9-14900KS. 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++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
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 i9-14900KS technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and Core i9-14900KS 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 i9-14900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-5600, DDR4-3200
Maximum memory size128 GB192 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s89.6 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel UHD Graphics 770
Quick Sync Video-+
Clear Video HD-+
Graphics max frequency-1.65 GHz
Execution Units-32

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900XT and Core i9-14900KS integrated GPUs.

Number of displays supported-4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 3900XT and Core i9-14900KS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4-4096 x 2160 @ 60Hz
Max resolution over eDP-5120 x 3200 @ 120Hz
Max resolution over DisplayPort-7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 3900XT and Core i9-14900KS integrated GPUs, sometimes API versions are included.

DirectX-12
OpenGL-4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Core i9-14900KS.

PCIe version4.05.0 and 4.0
PCI Express lanesno data16

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
i9-14900KS 39.21
+90.7%

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
i9-14900KS 62289
+90.7%

Gaming performance

Pros & cons summary


Performance score 20.56 39.21
Physical cores 12 24
Threads 24 32
Power consumption (TDP) 105 Watt 150 Watt

Ryzen 9 3900XT has 42.9% lower power consumption.

i9-14900KS, on the other hand, has a 90.7% higher aggregate performance score, and 100% more physical cores and 33.3% more threads.

The Core i9-14900KS is our recommended choice as it beats the Ryzen 9 3900XT in performance tests.


Should you still have questions on choice between Ryzen 9 3900XT and Core i9-14900KS, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 9 3900XT
Ryzen 9 3900XT
Intel Core i9-14900KS
Core i9-14900KS

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Community ratings

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


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Questions & comments

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