Ultra 5 245KF vs i5-8265U

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Aggregate performance score

Core i5-8265U
2018
4 cores / 8 threads, 15 Watt
3.74
Core Ultra 5 245KF
2024
14 cores / 14 threads, 125 Watt
27.61
+638%

Core Ultra 5 245KF outperforms Core i5-8265U by a whopping 638% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8265U and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1487177
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data82.27
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency23.6020.90
Architecture codenameWhiskey Lake-U (2018−2019)Arrow Lake-S (2024−2025)
Release date1 October 2018 (6 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$297$294

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8265U and Core Ultra 5 245KF 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)14 (Tetradeca-Core)
Threads814
Base clock speed1.6 GHz4.2 GHz
Boost clock speed3.9 GHz5.2 GHz
Bus typeOPIno data
Bus rate4 GT/sno data
Multiplier16no data
L1 cache64 KB (per core)112 KB (per core)
L2 cache256 KB (per core)3 MB (per core)
L3 cache6 MB (shared)24 MB (shared)
Chip lithography14 nm3 nm
Die size123 mm2243 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Core i5-8265U and Core Ultra 5 245KF 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
SocketFCBGA15281851
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8265U and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX-+
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data

Security technologies

Core i5-8265U and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8265U and Core Ultra 5 245KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8265U and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics for 8th Generation Intel ProcessorsN/A
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Core i5-8265U and Core Ultra 5 245KF integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-8265U and Core Ultra 5 245KF integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-8265U and Core Ultra 5 245KF integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8265U and Core Ultra 5 245KF.

PCIe version3.05.0
PCI Express lanes1620

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
Ultra 5 245KF 27.61
+638%

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 5935
Ultra 5 245KF 43853
+639%

Gaming performance

Pros & cons summary


Performance score 3.74 27.61
Recency 1 October 2018 24 October 2024
Physical cores 4 14
Threads 8 14
Chip lithography 14 nm 3 nm
Power consumption (TDP) 15 Watt 125 Watt

i5-8265U has 733.3% lower power consumption.

Ultra 5 245KF, on the other hand, has a 638.2% higher aggregate performance score, an age advantage of 6 years, 250% more physical cores and 75% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 5 245KF 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 Ultra 5 245KF is a desktop one.


Should you still have questions on choice between Core i5-8265U and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

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Intel Core i5-8265U
Core i5-8265U
Intel Core Ultra 5 245KF
Core Ultra 5 245KF

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Community ratings

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3.9 1212 votes

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Questions & comments

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