3 100U vs i5-1245U

VS

Aggregate performance score

Core i5-1245U
2022
10 cores / 12 threads, 15 Watt
8.43
Core 3 100U
2024
6 cores / 8 threads, 15 Watt
9.12
+8.2%

Core 3 100U outperforms Core i5-1245U by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i5-1245U and Core 3 100U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking906841
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Alder Lake-MRaptor Lake-U
Power efficiency53.1557.50
Architecture codenameAlder Lake-U (2022)Raptor Lake-U Refresh (2024)
Release date23 February 2022 (2 years ago)8 January 2024 (less than a year ago)
Launch price (MSRP)no data$426

Detailed specifications

Core i5-1245U 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 cores10 (Deca-Core)6 (Hexa-Core)
Threads128
Base clock speed1.6 GHz1.2 GHz
Boost clock speed4.4 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 cache12 MB (shared)10 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i5-1245U 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
SocketFCBGA1744FCBGA1744
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-1245U 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++
FMA+-
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift++
Hyper-Threading Technology++
TSX++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
Deep Learning Boost++

Security technologies

Core i5-1245U 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 i5-1245U 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 i5-1245U and Core 3 100U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size64 GB96 GB
Max memory channels22

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel® Graphics
Quick Sync Video++
Graphics max frequency1.2 GHz1.25 GHz
Execution Units8064

Graphics interfaces

Available interfaces and connections of Core i5-1245U and Core 3 100U integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i5-1245U and Core 3 100U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz4096 x 2304 @ 60Hz
Max resolution over eDP4096 x 2304 @ 120Hz4096 x 2304 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-1245U and Core 3 100U integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.64.6

Peripherals

Specifications and connection of peripherals supported by Core i5-1245U and Core 3 100U.

PCIe version4.04.0
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.

i5-1245U 8.43
3 100U 9.12
+8.2%

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.

i5-1245U 13384
3 100U 14493
+8.3%

Gaming performance

Pros & cons summary


Performance score 8.43 9.12
Recency 23 February 2022 8 January 2024
Physical cores 10 6
Threads 12 8

i5-1245U has 66.7% more physical cores and 50% more threads.

3 100U, on the other hand, has a 8.2% higher aggregate performance score, and an age advantage of 1 year.

Given the minimal performance differences, no clear winner can be declared between Core i5-1245U and Core 3 100U.


Should you still have questions on choice between Core i5-1245U and Core 3 100U, ask them in Comments section, and we shall answer.

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Intel Core i5-1245U
Core i5-1245U
Intel Core 3 100U
Core 3 100U

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Community ratings

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


3.8 89 votes

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Questions & comments

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