Atom x5-Z8350 vs i9-9900KF

VS

Aggregate performance score

Core i9-9900KF
2019
8 cores / 16 threads, 95 Watt
11.94
+1959%

Core i9-9900KF outperforms Atom x5-Z8350 by a whopping 1959% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900KF and Atom x5-Z8350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6722818
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.31no data
Market segmentDesktop processorLaptop
SeriesIntel Core i95x Intel Atom
Power efficiency11.46no data
Architecture codenameCoffee Lake-R (2018−2019)Cherry Trail (2015−2016)
Release date7 January 2019 (5 years ago)8 February 2016 (8 years ago)
Launch price (MSRP)$488no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900KF and Atom x5-Z8350 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)4 (Quad-Core)
Threads164
Base clock speed3.6 GHz1.44 GHz
Boost clock speed5 GHz1.92 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache512 KBno data
L2 cache2 MB2 MB
L3 cache16 MB (shared)0 KB
Chip lithography14 nm14 nm
Maximum core temperature100 °C90 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-9900KF and Atom x5-Z8350 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 (Uniprocessor)
SocketFCLGA1151UTFCBGA592
Power consumption (TDP)95 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KF and Atom x5-Z8350. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0no data-

Security technologies

Core i9-9900KF and Atom x5-Z8350 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Bootno data+
Secure Key+no data
MPX+-
Identity Protection++
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KF and Atom x5-Z8350 are enumerated here.

VT-d+no data
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Atom x5-Z8350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-26664 GB
Maximum memory size128 GB2 GB
Max memory channels21
Maximum memory bandwidth42.671 GB/s12.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics
Max video memoryno data2 GB
Graphics max frequencyno data500 MHz
Execution Unitsno data12

Graphics interfaces

Available interfaces and connections of Core i9-9900KF and Atom x5-Z8350 integrated GPUs.

Number of displays supportedno data2

Graphics image quality

Maximum display resolutions supported by Core i9-9900KF and Atom x5-Z8350 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data1920x1080

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KF and Atom x5-Z8350.

PCIe version3.02.0
PCI Express lanes161
USB revisionno data3.0

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.

i9-9900KF 11.94
+1959%
Atom x5-Z8350 0.58

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.

i9-9900KF 18266
+1948%
Atom x5-Z8350 892

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.

i9-9900KF 1724
+1177%
Atom x5-Z8350 135

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.

i9-9900KF 8136
+2105%
Atom x5-Z8350 369

Gaming performance

Pros & cons summary


Performance score 11.94 0.58
Recency 7 January 2019 8 February 2016
Physical cores 8 4
Threads 16 4

i9-9900KF has a 1958.6% higher aggregate performance score, an age advantage of 2 years, and 100% more physical cores and 300% more threads.

The Core i9-9900KF is our recommended choice as it beats the Atom x5-Z8350 in performance tests.

Note that Core i9-9900KF is a desktop processor while Atom x5-Z8350 is a notebook one.


Should you still have questions on choice between Core i9-9900KF and Atom x5-Z8350, 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.


Intel Core i9-9900KF
Core i9-9900KF
Intel Atom x5-Z8350
Atom x5-Z8350

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Community ratings

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Questions & comments

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