i5-12450H vs Atom C3858

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Aggregate performance score

Atom C3858
2017
12 cores / 12 threads, 25 Watt
2.96
Core i5-12450H
2022
8 cores / 12 threads, 45 Watt
10.65
+260%

Core i5-12450H outperforms Atom C3858 by a whopping 260% based on our aggregate benchmark results.

Primary details

Comparing Atom C3858 and Core i5-12450H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1652740
Place by popularitynot in top-1002
Cost-effectiveness evaluation0.89no data
Market segmentServerLaptop
SeriesIntel AtomIntel Alder Lake-P
Power efficiency11.2022.38
Architecture codenameGoldmont (2016−2017)Alder Lake-H (2022)
Release date15 August 2017 (7 years ago)January 2022 (3 years ago)
Launch price (MSRP)$332no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Atom C3858 and Core i5-12450H 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads1212
Base clock speed2 GHz2 GHz
Boost clock speed2 GHz4.4 GHz
Multiplier20no data
L1 cache672 KB80K (per core)
L2 cache12 MB1.25 MB (per core)
L3 cache12 MB12 MB (shared)
Chip lithography14 nm10 nm
Die sizeno data217 mm2
Maximum core temperature83 °C100 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Atom C3858 and Core i5-12450H 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
SocketFCBGA1310Intel BGA 1744
Power consumption (TDP)25 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3858 and Core i5-12450H. You'll probably need this information if you require some particular technology.

AES-NI++
FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
QuickAssist+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
TSX-+

Security technologies

Atom C3858 and Core i5-12450H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB+no data
Secure Boot+no data
Secure Key+no data
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3858 and Core i5-12450H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3858 and Core i5-12450H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4: 2400DDR4, DDR5
Maximum memory size256 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics Xe G4 48EUs ( - 1200 MHz)

Peripherals

Specifications and connection of peripherals supported by Atom C3858 and Core i5-12450H.

PCIe version34.0
PCI Express lanes1620
USB revision3no data
Total number of SATA ports16no data
Max number of SATA 6 Gb/s Ports16no data
Number of USB ports8no data
Integrated LAN4x10/2.5/1 GBEno 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 C3858 2.96
i5-12450H 10.65
+260%

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 C3858 4707
i5-12450H 16914
+259%

Gaming performance

Pros & cons summary


Performance score 2.96 10.65
Physical cores 12 8
Chip lithography 14 nm 10 nm
Power consumption (TDP) 25 Watt 45 Watt

Atom C3858 has 50% more physical cores, and 80% lower power consumption.

i5-12450H, on the other hand, has a 259.8% higher aggregate performance score, and a 40% more advanced lithography process.

The Core i5-12450H is our recommended choice as it beats the Atom C3858 in performance tests.

Be aware that Atom C3858 is a server/workstation processor while Core i5-12450H is a notebook one.


Should you still have questions on choice between Atom C3858 and Core i5-12450H, 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 Atom C3858
Atom C3858
Intel Core i5-12450H
Core i5-12450H

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

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 C3858 or Core i5-12450H, agree or disagree with our judgements, or report an error or mismatch.