i9-14900KF vs Ryzen 7 7840H

VS

Aggregate performance score

Ryzen 7 7840H
2023
8 cores / 16 threads, 35 Watt
17.80
Core i9-14900KF
2023
24 cores / 32 threads, 125 Watt
37.39
+110%

Core i9-14900KF outperforms Ryzen 7 7840H by a whopping 110% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7840H and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking34982
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data66.51
Market segmentLaptopDesktop processor
Power efficiency48.1028.29
Architecture codenamePhoenix (2023−2024)Raptor Lake-R (2023−2024)
Release dateJanuary 2023 (1 year ago)17 October 2023 (1 year ago)
Launch price (MSRP)no data$564

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 7840H and Core i9-14900KF 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)24 (Tetracosa-Core)
Threads1632
Base clock speed3.8 GHz3.2 GHz
Boost clock speed5.1 GHz5.8 GHz
L1 cache64K (per core)80 KB (per core)
L2 cache1 MB (per core)2 MB (per core)
L3 cache16 MB (shared)36 MB (shared)
Chip lithography4 nmIntel 7 nm
Die size178 mm2257 mm2
Maximum core temperatureno data100 °C
Number of transistors25,000 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 7840H and Core i9-14900KF 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
SocketFP8FCLGA1700
Power consumption (TDP)35 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840H and Core i9-14900KF. 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 7 7840H and Core i9-14900KF 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 7 7840H and Core i9-14900KF 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 7 7840H and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5600DDR5-5600, DDR4-3200
Maximum memory sizeno data192 GB
Max memory channelsno data2
Maximum memory bandwidthno data89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780MN/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7840H and Core i9-14900KF.

PCIe version4.05.0 and 4.0
PCI Express lanes2016

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 7 7840H 17.80
i9-14900KF 37.39
+110%

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 7 7840H 28269
i9-14900KF 59389
+110%

Gaming performance

Pros & cons summary


Performance score 17.80 37.39
Physical cores 8 24
Threads 16 32
Power consumption (TDP) 35 Watt 125 Watt

Ryzen 7 7840H has 257.1% lower power consumption.

i9-14900KF, on the other hand, has a 110.1% higher aggregate performance score, and 200% more physical cores and 100% more threads.

The Core i9-14900KF is our recommended choice as it beats the Ryzen 7 7840H in performance tests.

Be aware that Ryzen 7 7840H is a notebook processor while Core i9-14900KF is a desktop one.


Should you still have questions on choice between Ryzen 7 7840H and Core i9-14900KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 7 7840H
Ryzen 7 7840H
Intel Core i9-14900KF
Core i9-14900KF

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Community ratings

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Questions & comments

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