3 100U vs i5-12400T

Aggregate performance score

Core i5-12400T
2022
6 cores / 12 threads, 35 Watt
10.60
+8.3%

Core i5-12400T outperforms Core 3 100U by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i5-12400T and Core 3 100U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking754803
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataRaptor Lake-U
Power efficiency27.6259.51
Architecture codenameAlder Lake-S (2022)Raptor Lake-U Refresh (2024)
Release dateJanuary 2022 (2 years ago)8 January 2024 (less than a year ago)
Launch price (MSRP)no data$426

Detailed specifications

Core i5-12400T and Core 3 100U 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 cores6 (Hexa-Core)6 (Hexa-Core)
Threads128
Base clock speed1.8 GHz1.2 GHz
Boost clock speed4.2 GHz4.7 GHz
Bus rateno data55 MHz
L1 cache80K (per core)80 KB (per core)
L2 cache1.25 MB (per core)1.25 MB (per core)
L3 cache18 MB (shared)10 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die size163 mm2no data
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i5-12400T and Core 3 100U 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
SocketFCLGA1700FCBGA1744
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-12400T and Core 3 100U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
Turbo Boost Max 3.0-no data
Deep Learning Boost++

Security technologies

Core i5-12400T and Core 3 100U technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-12400T and Core 3 100U are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-12400T and Core 3 100U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size128 GB96 GB
Max memory channels22
Maximum memory bandwidth76.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 730Intel® Graphics
Quick Sync Video++
Clear Video HD+no data
Graphics max frequency1.45 GHz1.25 GHz
Execution Units2464

Graphics interfaces

Available interfaces and connections of Core i5-12400T and Core 3 100U integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i5-12400T and Core 3 100U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hz4096 x 2304 @ 60Hz
Max resolution over eDP5120 x 3200 @ 120Hz4096 x 2304 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-12400T and Core 3 100U integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i5-12400T and Core 3 100U.

PCIe version5.0 and 4.04.0
PCI Express lanes208

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.

i5-12400T 10.60
+8.3%
3 100U 9.79

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.

i5-12400T 16215
+8.2%
3 100U 14987

Gaming performance

Pros & cons summary


Performance score 10.60 9.79
Threads 12 8
Power consumption (TDP) 35 Watt 15 Watt

i5-12400T has a 8.3% higher aggregate performance score, and 50% more threads.

3 100U, on the other hand, has 133.3% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i5-12400T and Core 3 100U.

Note that Core i5-12400T is a desktop processor while Core 3 100U is a notebook one.


Should you still have questions on choice between Core i5-12400T and Core 3 100U, ask them in Comments section, and we shall answer.

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Intel Core i5-12400T
Core i5-12400T
Intel Core 3 100U
Core 3 100U

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.


3.5 64 votes

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4.8 12 votes

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Questions & comments

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