i5-12400T vs Atom Z520

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Primary details

Comparing Atom Z520 and Core i5-12400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated754
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Atomno data
Power efficiencyno data27.62
Architecture codenameSilverthorne (2008−2010)Alder Lake-S (2022)
Release date2 April 2008 (16 years ago)January 2022 (2 years ago)
Launch price (MSRP)$65no data

Detailed specifications

Atom Z520 and Core i5-12400T 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)6 (Hexa-Core)
Threads212
Base clock speed1.33 GHz1.8 GHz
Boost clock speed0.03 GHz4.2 GHz
Bus typeFSBno data
Bus rate533.33 MT/sno data
Multiplier10no data
L1 cache56 KB80K (per core)
L2 cache512 KB1.25 MB (per core)
L3 cache0 KB18 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size24.18 mm2163 mm2
Maximum core temperature90 °C100 °C
Number of transistors47 Millionno data
64 bit support-+
Windows 11 compatibility-+
VID voltage range0.75-1.1Vno data

Compatibility

Information on Atom Z520 and Core i5-12400T 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
SocketPBGA441FCLGA1700
Power consumption (TDP)2 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z520 and Core i5-12400T. 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-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Demand Based Switching+no data
Turbo Boost Max 3.0no data-
FSB parity-no data
Deep Learning Boost-+

Security technologies

Atom Z520 and Core i5-12400T 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 Z520 and Core i5-12400T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z520 and Core i5-12400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel UHD Graphics 730
Quick Sync Video-+
Clear Video HD-+
Graphics max frequency-1.45 GHz
Execution Units-24

Graphics interfaces

Available interfaces and connections of Atom Z520 and Core i5-12400T integrated GPUs.

Number of displays supported-4

Graphics image quality

Maximum display resolutions supported by Atom Z520 and Core i5-12400T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4-4096 x 2160 @ 60Hz
Max resolution over eDP-5120 x 3200 @ 120Hz
Max resolution over DisplayPort-7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom Z520 and Core i5-12400T integrated GPUs, sometimes API versions are included.

DirectX-12
OpenGL-4.5

Peripherals

Specifications and connection of peripherals supported by Atom Z520 and Core i5-12400T.

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.



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 Z520 122
i5-12400T 16215
+13191%

Pros & cons summary


Physical cores 1 6
Threads 2 12
Power consumption (TDP) 2 Watt 35 Watt

Atom Z520 has 1650% lower power consumption.

i5-12400T, on the other hand, has 500% more physical cores and 500% more threads.

We couldn't decide between Atom Z520 and Core i5-12400T. We've got no test results to judge.

Be aware that Atom Z520 is a notebook processor while Core i5-12400T is a desktop one.


Should you still have questions on choice between Atom Z520 and Core i5-12400T, ask them in Comments section, and we shall answer.

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Intel Atom Z520
Atom Z520
Intel Core i5-12400T
Core i5-12400T

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.6 27 votes

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3.4 60 votes

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Questions & comments

Here you can ask a question about Atom Z520 or Core i5-12400T, agree or disagree with our judgements, or report an error or mismatch.