i3-9350K vs i5-8265U

VS

Aggregate performance score

Core i5-8265U
2018
4 cores / 8 threads, 15 Watt
3.74
Core i3-9350K
2019
4 cores / 4 threads, 91 Watt
4.85
+29.7%

Core i3-9350K outperforms Core i5-8265U by a substantial 30% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8265U and Core i3-9350K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14741237
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency23.605.04
Architecture codenameWhiskey Lake-U (2018−2019)Coffee Lake (2017−2019)
Release date1 October 2018 (6 years ago)23 April 2019 (5 years ago)
Launch price (MSRP)$297no data

Detailed specifications

Core i5-8265U and Core i3-9350K 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)4 (Quad-Core)
Threads84
Base clock speed1.6 GHz4 GHz
Boost clock speed3.9 GHz4.6 GHz
Bus typeOPIno data
Bus rate4 GT/s8 GT/s
Multiplier16no data
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache6 MB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Die size123 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i5-8265U and Core i3-9350K 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
SocketFCBGA1528FCLGA1151
Power consumption (TDP)15 Watt91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8265U and Core i3-9350K. 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+no data
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Response+no data

Security technologies

Core i5-8265U and Core i3-9350K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8265U and Core i3-9350K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8265U and Core i3-9350K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2400
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s37.5 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® UHD Graphics for 8th Generation Intel® ProcessorsIntel UHD Graphics 630
Max video memory32 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.1 GHz1.15 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i5-8265U and Core i3-9350K integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-8265U and Core i3-9350K integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096 x 2304@24Hz
Max resolution over eDP4096x2304@60Hz4096 x 2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core i5-8265U and Core i3-9350K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8265U and Core i3-9350K.

PCIe version3.03.0
PCI Express lanes1616

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.

i5-8265U 3.74
i3-9350K 4.85
+29.7%

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.

i5-8265U 5943
i3-9350K 7700
+29.6%

Gaming performance

Pros & cons summary


Performance score 3.74 4.85
Recency 1 October 2018 23 April 2019
Threads 8 4
Power consumption (TDP) 15 Watt 91 Watt

i5-8265U has 100% more threads, and 506.7% lower power consumption.

i3-9350K, on the other hand, has a 29.7% higher aggregate performance score, and an age advantage of 6 months.

The Core i3-9350K is our recommended choice as it beats the Core i5-8265U in performance tests.

Be aware that Core i5-8265U is a notebook processor while Core i3-9350K is a desktop one.


Should you still have questions on choice between Core i5-8265U and Core i3-9350K, 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 Core i5-8265U
Core i5-8265U
Intel Core i3-9350K
Core i3-9350K

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Community ratings

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Questions & comments

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