i5-1235U vs Atom N450

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Primary details

Comparing Atom N450 and Core i5-1235U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated891
Place by popularitynot in top-10011
Market segmentLaptopLaptop
SeriesIntel AtomIntel Alder Lake-M
Power efficiencyno data53.19
Architecture codenamePinetrail (2009−2011)Alder Lake-U (2022)
Release date21 December 2009 (14 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$64no data

Detailed specifications

Atom N450 and Core i5-1235U 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)10 (Deca-Core)
Threads212
Base clock speed1.66 GHz1.3 GHz
Boost clock speed1.67 GHz4.4 GHz
Bus rate533 MHzno data
L1 cache56 KB (per core)80K (per core)
L2 cache512 KB (per core)1.25 MB (per core)
L3 cache0 KB12 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size66 mm2no data
Maximum core temperature100 °C100 °C
Number of transistors123 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Atom N450 and Core i5-1235U 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
SocketFCBGA559FCBGA1744
Power consumption (TDP)5.5 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N450 and Core i5-1235U. 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-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology++
TSX-+
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switching-no data
Deep Learning Boost-+

Security technologies

Atom N450 and Core i5-1235U 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 N450 and Core i5-1235U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N450 and Core i5-1235U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR4, DDR5
Maximum memory size2 GB64 GB
Max memory channels12

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.2 GHz
Execution Unitsno data80

Graphics interfaces

Available interfaces and connections of Atom N450 and Core i5-1235U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Atom N450 and Core i5-1235U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom N450 and Core i5-1235U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Atom N450 and Core i5-1235U.

PCIe versionno data4.0
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.



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 N450 203
i5-1235U 13389
+6496%

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.

Atom N450 72
i5-1235U 1847
+2465%

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.

Atom N450 114
i5-1235U 5674
+4877%

Pros & cons summary


Recency 21 December 2009 23 February 2022
Physical cores 1 10
Threads 2 12
Power consumption (TDP) 5 Watt 15 Watt

Atom N450 has 200% lower power consumption.

i5-1235U, on the other hand, has an age advantage of 12 years, and 900% more physical cores and 500% more threads.

We couldn't decide between Atom N450 and Core i5-1235U. We've got no test results to judge.


Should you still have questions on choice between Atom N450 and Core i5-1235U, ask them in Comments section, and we shall answer.

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Intel Atom N450
Atom N450
Intel Core i5-1235U
Core i5-1235U

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Community ratings

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Questions & comments

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