i9-13900K vs i7-1265U

VS

Aggregate performance score

Core i7-1265U
2022
10 cores / 12 threads, 15 Watt
8.67
Core i9-13900K
2022
24 cores / 32 threads, 125 Watt
37.09
+328%

Core i9-13900K outperforms Core i7-1265U by a whopping 328% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1265U and Core i9-13900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking88088
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data62.93
Market segmentLaptopDesktop processor
SeriesIntel Alder Lake-MIntel Core i9
Power efficiency54.6728.06
Architecture codenameAlder Lake-U (2022)Raptor Lake, Raptor Cove, Gracemont (2022)
Release date23 February 2022 (2 years ago)27 September 2022 (2 years ago)
Launch price (MSRP)no data$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-1265U and Core i9-13900K 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)24 (Tetracosa-Core)
Threads1232
Base clock speed1.8 GHz3 GHz
Boost clock speed4.8 GHz5.7 GHz
Bus rateno data4 × 16 GT/s
Multiplierno data30
L1 cache80K (per core)80K (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache12 MB (shared)36 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die sizeno data257 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i7-1265U and Core i9-13900K 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
SocketFCBGA1744FCLGA1700
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1265U and Core i9-13900K. 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++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access+no data
SIPP++
Turbo Boost Max 3.0no data+
Deep Learning Boost++

Security technologies

Core i7-1265U and Core i9-13900K 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 i7-1265U and Core i9-13900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1265U and Core i9-13900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4, DDR5
Maximum memory size64 GB192 GB
Max memory channels22
Maximum memory bandwidthno data89.604 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel UHD Graphics 770
Quick Sync Video++
Clear Video HDno data+
Graphics max frequency1.25 GHz1.65 GHz
Execution Units9632

Graphics interfaces

Available interfaces and connections of Core i7-1265U and Core i9-13900K integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i7-1265U and Core i9-13900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz4096 x 2160 @ 60Hz
Max resolution over eDP4096 x 2304 @ 120Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-1265U and Core i9-13900K integrated GPUs, sometimes API versions are included.

DirectX12.112
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core i7-1265U and Core i9-13900K.

PCIe version4.05.0 and 4.0
PCI Express lanes2020

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.

i7-1265U 8.67
i9-13900K 37.09
+328%

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.

i7-1265U 13765
i9-13900K 58913
+328%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-1265U 1945
i9-13900K 3001
+54.3%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-1265U 6323
i9-13900K 20184
+219%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-1265U 8549
i9-13900K 12018
+40.6%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-1265U 38152
i9-13900K 87738
+130%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-1265U 9434
i9-13900K 20192
+114%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-1265U 5.24
i9-13900K 2.05
+156%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-1265U 16
i9-13900K 68
+310%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-1265U 1345
i9-13900K 5806
+332%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-1265U 240
i9-13900K 318
+32.5%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-1265U 2.99
i9-13900K 3.87
+29.4%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-1265U 9.7
i9-13900K 22.9
+136%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-1265U 5960
i9-13900K 14271
+139%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-1265U 81
i9-13900K 265
+227%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-1265U 266
i9-13900K 419
+57.9%

Geekbench 5.5 Multi-Core

i7-1265U 8127
i9-13900K 24033
+196%

Blender(-)

i7-1265U 424
+404%
i9-13900K 84

Geekbench 5.5 Single-Core

i7-1265U 1740
i9-13900K 2286
+31.4%

7-Zip Single

i7-1265U 5286
i9-13900K 7272
+37.6%

7-Zip

i7-1265U 34399
i9-13900K 146984
+327%

WebXPRT 3

i7-1265U 280
i9-13900K 368
+31.7%

CrossMark Overall

i7-1265U 1594
i9-13900K 2580
+61.9%

WebXPRT 4 Overall

i7-1265U 243
i9-13900K 316
+30.3%

Blender v3.3 Classroom CPU(-)

i7-1265U 834
+494%
i9-13900K 141

Gaming performance

Pros & cons summary


Performance score 8.67 37.09
Recency 23 February 2022 27 September 2022
Physical cores 10 24
Threads 12 32
Power consumption (TDP) 15 Watt 125 Watt

i7-1265U has 733.3% lower power consumption.

i9-13900K, on the other hand, has a 327.8% higher aggregate performance score, an age advantage of 7 months, and 140% more physical cores and 166.7% more threads.

The Core i9-13900K is our recommended choice as it beats the Core i7-1265U in performance tests.

Be aware that Core i7-1265U is a notebook processor while Core i9-13900K is a desktop one.


Should you still have questions on choice between Core i7-1265U and Core i9-13900K, ask them in Comments section, and we shall answer.

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Intel Core i7-1265U
Core i7-1265U
Intel Core i9-13900K
Core i9-13900K

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

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Questions & comments

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