i3-8140U vs i5-8350U

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Aggregate performance score

Core i5-8350U
2017
4 cores / 8 threads, 15 Watt
3.91
+47%
Core i3-8140U
2019
2 cores / 4 threads, 15 Watt
2.66

Core i5-8350U outperforms Core i3-8140U by a considerable 47% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8350U and Core i3-8140U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14521724
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5no data
Power efficiency24.6716.78
Architecture codenameKaby Lake Refresh (2017−2019)no data
Release date21 August 2017 (7 years ago)1 October 2019 (5 years ago)
Launch price (MSRP)$297no data

Detailed specifications

Core i5-8350U and Core i3-8140U 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 cores4 (Quad-Core)2 (Dual-core)
Threads84
Base clock speed1.7 GHz2.1 GHz
Boost clock speed3.6 GHz3.9 GHz
Bus typeOPIno data
Bus rate4 GT/s4 GT/s OPI
Multiplier17no data
L1 cache64K (per core)no data
L2 cache256K (per core)no data
L3 cache6 MB (shared)4 MB Intel® Smart Cache
Chip lithography14 nm14 nm
Die size123 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-8350U and Core i3-8140U 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
SocketFCBGA1356,FC-BGA1356FCBGA1528
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8350U and Core i3-8140U. 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++
My WiFi++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
Smart Response++

Security technologies

Core i5-8350U and Core i3-8140U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8350U and Core i3-8140U are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8350U and Core i3-8140U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2400, LPDDR3-2133
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 620Intel UHD Graphics 620
Max video memory32 GB32 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.1 GHz1 GHz

Graphics interfaces

Available interfaces and connections of Core i5-8350U and Core i3-8140U integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI++

Graphics image quality

Maximum display resolutions supported by Core i5-8350U and Core i3-8140U integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096x2304@24Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i5-8350U and Core i3-8140U integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.44.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8350U and Core i3-8140U.

PCIe version3.03.0
PCI Express lanes1216

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.

i5-8350U 3.91
+47%
i3-8140U 2.66

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.

i5-8350U 6204
+46.8%
i3-8140U 4227

Gaming performance

Pros & cons summary


Performance score 3.91 2.66
Recency 21 August 2017 1 October 2019
Physical cores 4 2
Threads 8 4

i5-8350U has a 47% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i3-8140U, on the other hand, has an age advantage of 2 years.

The Core i5-8350U is our recommended choice as it beats the Core i3-8140U in performance tests.


Should you still have questions on choice between Core i5-8350U and Core i3-8140U, ask them in Comments section, and we shall answer.

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Intel Core i5-8350U
Core i5-8350U
Intel Core i3-8140U
Core i3-8140U

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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 Core i5-8350U or Core i3-8140U, agree or disagree with our judgements, or report an error or mismatch.