Atom C3538 vs i9-9900

Primary details

Comparing Core i9-9900 and Atom C3538 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	743	2344
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.58	0.04
Market segment	Desktop processor	Server
Series	Intel Core i9	Intel Atom
Power efficiency	15.12	7.49
Architecture codename	Coffee Lake-R (2018−2019)	Goldmont (2016−2017)
Release date	23 April 2019 (5 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	$439	$75

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900 has 21350% better value for money than Atom C3538.

Detailed specifications

Core i9-9900 and Atom C3538 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	3.1 GHz	2.1 GHz
Boost clock speed	5 GHz	2.1 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	no data	21
L1 cache	512 KB	224 KB
L2 cache	2 MB	8 MB
L3 cache	16 MB (shared)	8 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	87 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i9-9900 and Atom C3538 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 (Uniprocessor)
Socket	FCLGA1151	FCBGA1310
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900 and Atom C3538. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-9900 and Atom C3538 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900 and Atom C3538 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900 and Atom C3538. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4: 2133
Maximum memory size	128 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	29.871 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	no data
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	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i9-9900 and Atom C3538 integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900 and Atom C3538 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@24Hz	no data
Max resolution over eDP	4096 x 2304@60Hz	no data
Max resolution over DisplayPort	4096 x 2304@60Hz	no data

Graphics API support

APIs supported by Core i9-9900 and Atom C3538 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900 and Atom C3538.

PCIe version	3.0	3
PCI Express lanes	16	12
USB revision	no data	3
Total number of SATA ports	no data	12
Max number of SATA 6 Gb/s Ports	no data	12
Number of USB ports	no data	8
Integrated LAN	no data	2x10/2.5/1 GBE + 2x2.5/1 GBE

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	10.58	1.21
Recency	23 April 2019	15 August 2017
Physical cores	8	4
Threads	16	4
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between Core i9-9900 and Atom C3538, ask them in Comments section, and we shall answer.

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