i3-N305 vs i9-9900K

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Aggregate performance score

Core i9-9900K
2018
8 cores / 16 threads, 95 Watt
11.93
+83%

Core i9-9900K outperforms Core i3-N305 by an impressive 83% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900K and Core i3-N305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6711056
Place by popularitynot in top-10068
Cost-effectiveness evaluation8.11no data
Market segmentDesktop processorLaptop
SeriesCore i9 (Desktop)no data
Power efficiency11.4539.64
Architecture codenameCoffee Lake-R (2018−2019)Alder Lake-N (2023)
Release date8 October 2018 (6 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$488$309

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900K and Core i3-N305 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 cores8 (Octa-Core)8 (Octa-Core)
Threads168
Base clock speed3.6 GHz0.1 GHz
Boost clock speed5 GHz3.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache512 KB96 KB (per core)
L2 cache2 MB2 MB (per module)
L3 cache16 MB (shared)6 MB (shared)
Chip lithography14 nmIntel 7 nm
Die size178 mm2no data
Maximum core temperature100 °C105 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9900K and Core i3-N305 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
SocketLGA-1151FCBGA1264
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Core i3-N305. 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+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology+-
TSX+-
Idle States+no data
Thermal Monitoring++
SIPP+-
GPIOno data+

Security technologies

Core i9-9900K and Core i3-N305 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Core i3-N305 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Core i3-N305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size128 GB16 GB
Max memory channels21
Maximum memory bandwidth44.668 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel UHD Graphics
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHz1.25 GHz
Execution Unitsno data32
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Core i3-N305 integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Core i3-N305 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096 x 2304@24Hz4096 x 2160@60Hz
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hz4096 x 2160@60Hz

Graphics API support

APIs supported by Core i9-9900K and Core i3-N305 integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Core i3-N305.

PCIe version3.03.0
PCI Express lanes169
USB revisionno data2.0/3.2

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.

i9-9900K 11.93
+83%
i3-N305 6.52

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.

i9-9900K 18262
+83.1%
i3-N305 9973

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.

i9-9900K 7933
+40.4%
i3-N305 5651

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.

i9-9900K 48779
+86.4%
i3-N305 26169

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.

i9-9900K 14282
+57.3%
i3-N305 9081

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.

i9-9900K 3.58
+899%
i3-N305 35.77

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.

i9-9900K 21
+88.8%
i3-N305 11

Cinebench 15 64-bit multi-core

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

i9-9900K 1979
+139%
i3-N305 829

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.

i9-9900K 212
+28.7%
i3-N305 165

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.

i9-9900K 2.38
+16.1%
i3-N305 2.05

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.

i9-9900K 11.1
+102%
i3-N305 5.5

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.  

i9-9900K 114
+104%
i3-N305 56

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.  

i9-9900K 261
+28.6%
i3-N305 203

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.

i9-9900K 7633
+126%
i3-N305 3377

Geekbench 5.5 Multi-Core

i9-9900K 8845
+90.5%
i3-N305 4644

Blender(-)

i9-9900K 224
i3-N305 589
+163%

Geekbench 5.5 Single-Core

i9-9900K 1300
+21.4%
i3-N305 1071

7-Zip Single

i9-9900K 5411
+31.8%
i3-N305 4105

7-Zip

i9-9900K 48207
+127%
i3-N305 21239

Gaming performance

Pros & cons summary


Performance score 11.93 6.52
Integrated graphics card 3.09 5.57
Recency 8 October 2018 3 January 2023
Threads 16 8
Power consumption (TDP) 95 Watt 15 Watt

i9-9900K has a 83% higher aggregate performance score, and 100% more threads.

i3-N305, on the other hand, has 80.3% faster integrated GPU, an age advantage of 4 years, and 533.3% lower power consumption.

The Core i9-9900K is our recommended choice as it beats the Core i3-N305 in performance tests.

Note that Core i9-9900K is a desktop processor while Core i3-N305 is a notebook one.


Should you still have questions on choice between Core i9-9900K and Core i3-N305, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-9900K
Core i9-9900K
Intel Core i3-N305
Core i3-N305

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Community ratings

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Questions & comments

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