Ultra 5 245K vs Atom N455

VS

Aggregate performance score

Atom N455
2010
1 core / 2 threads, 6 Watt
0.12
Core Ultra 5 245K
2024
14 cores / 14 threads, 125 Watt
27.76
+23033%

Core Ultra 5 245K outperforms Atom N455 by a whopping 23033% based on our aggregate benchmark results.

Primary details

Comparing Atom N455 and Core Ultra 5 245K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3352173
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data78.88
Market segmentLaptopDesktop processor
SeriesIntel Atomno data
Power efficiency1.6221.00
Architecture codenamePinetrail (2009−2011)Arrow Lake-S (2024−2025)
Release date1 June 2010 (14 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$64$309

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Atom N455 and Core Ultra 5 245K 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 cores1 (Single-Core)14 (Tetradeca-Core)
Threads214
Base clock speed1.66 GHz4.2 GHz
Boost clock speed1.67 GHz5.2 GHz
Bus rate533 MHz159 MHz
L1 cache64 KB (per core)112 KB (per core)
L2 cache512K (per core)3 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography45 nm3 nm
Die size66 mm2243 mm2
Maximum core temperature100 °Cno data
Number of transistors123 million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Atom N455 and Core Ultra 5 245K 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
SocketFCBGA559FCLGA1851
Power consumption (TDP)6.5 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and Core Ultra 5 245K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE2, Intel® SSE3, Intel® SSSE3Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology+no data
TSX-+
Idle Statesno data+
Thermal Monitoring++
SIPP-+
Demand Based Switching-no data
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Atom N455 and Core Ultra 5 245K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N455 and Core Ultra 5 245K are enumerated here.

VT-d-+
VT-x-+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N455 and Core Ultra 5 245K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-6400
Maximum memory size2 GB192 GB
Max memory channels12
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel GMA 3150Intel® Graphics
Quick Sync Video-+
Graphics max frequencyno data1.9 GHz

Graphics interfaces

Available interfaces and connections of Atom N455 and Core Ultra 5 245K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Atom N455 and Core Ultra 5 245K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data4K @ 60Hz
Max resolution over DisplayPortno data8K @ 60Hz

Graphics API support

APIs supported by Atom N455 and Core Ultra 5 245K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Atom N455 and Core Ultra 5 245K.

PCIe versionno data5.0 and 4.0
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.

Atom N455 0.12
Ultra 5 245K 27.76
+23033%

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 N455 196
Ultra 5 245K 44090
+22395%

Gaming performance

Pros & cons summary


Performance score 0.12 27.76
Recency 1 June 2010 24 October 2024
Physical cores 1 14
Threads 2 14
Chip lithography 45 nm 3 nm
Power consumption (TDP) 6 Watt 125 Watt

Atom N455 has 1983.3% lower power consumption.

Ultra 5 245K, on the other hand, has a 23033.3% higher aggregate performance score, an age advantage of 14 years, 1300% more physical cores and 600% more threads, and a 1400% more advanced lithography process.

The Core Ultra 5 245K is our recommended choice as it beats the Atom N455 in performance tests.

Be aware that Atom N455 is a notebook processor while Core Ultra 5 245K is a desktop one.


Should you still have questions on choice between Atom N455 and Core Ultra 5 245K, ask them in Comments section, and we shall answer.

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Intel Atom N455
Atom N455
Intel Core Ultra 5 245K
Core Ultra 5 245K

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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

Here you can ask a question about Atom N455 or Core Ultra 5 245K, agree or disagree with our judgements, or report an error or mismatch.