Ultra 5 245KF vs Atom x5-Z8300

Aggregate performance score

Atom x5-Z8300
2015
4 cores / 4 threads
0.51
Core Ultra 5 245KF
2024
14 cores / 14 threads, 125 Watt
27.77
+5345%

Core Ultra 5 245KF outperforms Atom x5-Z8300 by a whopping 5345% based on our aggregate benchmark results.

Primary details

Comparing Atom x5-Z8300 and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2862170
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data78.55
Market segmentLaptopDesktop processor
Series5x Intel Atomno data
Power efficiencyno data21.02
Architecture codenameCherry Trail (2015−2016)Arrow Lake-S (2024−2025)
Release date2 March 2015 (9 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$294

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Atom x5-Z8300 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 cores4 (Quad-Core)14 (Tetradeca-Core)
Threads414
Base clock speed1.44 GHz4.2 GHz
Boost clock speed1.84 GHz5.2 GHz
L1 cacheno data112 KB (per core)
L2 cache2 MB3 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography14 nm3 nm
Die sizeno data243 mm2
Maximum core temperature90 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Atom x5-Z8300 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
SocketUTFCBGA5921851
Power consumption (TDP)no data125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-Z8300 and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

AES-NI++
AVX-+
Enhanced SpeedStep (EIST)++
TSX-+

Security technologies

Atom x5-Z8300 and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
Secure Boot+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-Z8300 and Core Ultra 5 245KF are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8300 and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size2 GBno data
Max memory channels1no data
Maximum memory bandwidth12.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD GraphicsN/A
Max video memory2 GBno data
Graphics max frequency500 MHzno data
Execution Units12no data

Graphics interfaces

Available interfaces and connections of Atom x5-Z8300 and Core Ultra 5 245KF integrated GPUs.

Number of displays supported2no data

Graphics image quality

Maximum display resolutions supported by Atom x5-Z8300 and Core Ultra 5 245KF integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.41920x1080no data

Peripherals

Specifications and connection of peripherals supported by Atom x5-Z8300 and Core Ultra 5 245KF.

PCIe version2.05.0
PCI Express lanes120
USB revision3.0no data

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.

Atom x5-Z8300 0.51
Ultra 5 245KF 27.77
+5345%

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.

Atom x5-Z8300 814
Ultra 5 245KF 44104
+5318%

Gaming performance

Pros & cons summary


Performance score 0.51 27.77
Recency 2 March 2015 24 October 2024
Physical cores 4 14
Threads 4 14
Chip lithography 14 nm 3 nm

Ultra 5 245KF has a 5345.1% higher aggregate performance score, an age advantage of 9 years, 250% more physical cores and 250% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 5 245KF is our recommended choice as it beats the Atom x5-Z8300 in performance tests.

Be aware that Atom x5-Z8300 is a notebook processor while Core Ultra 5 245KF is a desktop one.


Should you still have questions on choice between Atom x5-Z8300 and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Atom x5-Z8300
Atom x5-Z8300
Intel Core Ultra 5 245KF
Core Ultra 5 245KF

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Community ratings

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Questions & comments

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