i9-10900 vs i5-8600K

VS

Aggregate performance score

Core i5-8600K
2017
6 cores / 6 threads, 95 Watt
6.42
Core i9-10900
2020
10 cores / 20 threads, 65 Watt
12.46
+94.1%

Core i9-10900 outperforms Core i5-8600K by an impressive 94% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8600K and Core i9-10900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1051613
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.95no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5no data
Power efficiency6.4018.14
Architecture codenameCoffee Lake-S (2017−2018)Comet Lake (2020)
Release date5 October 2017 (7 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$257no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8600K and Core i9-10900 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 cores6 (Hexa-Core)10 (Deca-Core)
Threads620
Base clock speed3.6 GHz2.8 GHz
Boost clock speed4.3 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier36no data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache9 MB (shared)20 MB (shared)
Chip lithography14 nm14 nm
Die size149 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 i5-8600K and Core i9-10900 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
SocketFCLGA1151FCLGA1200
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8600K and Core i9-10900. 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++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
SIPP++
Turbo Boost Max 3.0no data+

Security technologies

Core i5-8600K and Core i9-10900 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 i5-8600K and Core i9-10900 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8600K and Core i9-10900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4-2933
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Intel UHD Graphics 630
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.15 GHz1.2 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i5-8600K and Core i9-10900 integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i5-8600K and Core i9-10900 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096 x 2160@30Hz
Max resolution over eDP4096x2304@60Hz4096 x 2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core i5-8600K and Core i9-10900 integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8600K and Core i9-10900.

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.

i5-8600K 6.42
i9-10900 12.46
+94.1%

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.

i5-8600K 10202
i9-10900 19794
+94%

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.

i5-8600K 1575
i9-10900 1727
+9.7%

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.

i5-8600K 5695
i9-10900 8449
+48.4%

Gaming performance

Pros & cons summary


Performance score 6.42 12.46
Recency 5 October 2017 30 April 2020
Physical cores 6 10
Threads 6 20
Power consumption (TDP) 95 Watt 65 Watt

i9-10900 has a 94.1% higher aggregate performance score, an age advantage of 2 years, 66.7% more physical cores and 233.3% more threads, and 46.2% lower power consumption.

The Core i9-10900 is our recommended choice as it beats the Core i5-8600K in performance tests.


Should you still have questions on choice between Core i5-8600K and Core i9-10900, ask them in Comments section, and we shall answer.

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Intel Core i5-8600K
Core i5-8600K
Intel Core i9-10900
Core i9-10900

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Community ratings

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