Celeron N5105 vs i9-9900K

Primary details

Comparing Core i9-9900K and Celeron N5105 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	671	1729
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.11	no data
Market segment	Desktop processor	Desktop processor
Series	Core i9 (Desktop)	no data
Power efficiency	11.45	24.16
Architecture codename	Coffee Lake-R (2018−2019)	Jasper Lake (2021)
Release date	8 October 2018 (6 years ago)	11 January 2021 (3 years ago)
Launch price (MSRP)	$488	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900K and Celeron N5105 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 cores	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	3.6 GHz	2 GHz
Boost clock speed	5 GHz	2.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	512 KB	no data
L2 cache	2 MB	1.5 MB
L3 cache	16 MB (shared)	4 MB
Chip lithography	14 nm	10 nm
Die size	178 mm2	no data
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9900K and Celeron N5105 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 configuration	1 (Uniprocessor)	1
Socket	LGA-1151	FCBGA1338
Power consumption (TDP)	95 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Celeron N5105. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
SIPP	+	-
Smart Response	no data	-
GPIO	no data	+
Turbo Boost Max 3.0	no data	-

Security technologies

Core i9-9900K and Celeron N5105 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	+
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Celeron N5105 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 Celeron N5105. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	128 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	44.668 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 630	Intel UHD Graphics
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	800 MHz
Execution Units	no data	24
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Celeron N5105 integrated GPUs.

Number of displays supported	3	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
MIPI-DSI	no data	+

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Celeron N5105 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096 x 2304@24Hz	4096x2160@60Hz
Max resolution over eDP	4096 x 2304@60Hz	4096x2160@60Hz
Max resolution over DisplayPort	4096 x 2304@60Hz	4096x2160@60Hz

Graphics API support

APIs supported by Core i9-9900K and Celeron N5105 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Celeron N5105.

PCIe version	3.0	no data
PCI Express lanes	16	8
USB revision	no data	2.0/3.2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	14
Integrated LAN	no data	-
UART	no data	+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

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Pros & cons summary

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Performance score	11.93	2.65
Integrated graphics card	3.09	5.57
Recency	8 October 2018	11 January 2021
Physical cores	8	4
Threads	16	4
Chip lithography	14 nm	10 nm
Power consumption (TDP)	95 Watt	10 Watt

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Should you still have questions on choice between Core i9-9900K and Celeron N5105, ask them in Comments section, and we shall answer.

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