Core i9-9900T vs Atom C3558

Primary details

Comparing Atom C3558 and Core i9-9900T processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2022	830
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.53	7.90
Market segment	Server	Desktop processor
Series	Intel Atom	Intel Core i9
Architecture codename	Goldmont (2016−2017)	Coffee Lake-R (2018−2019)
Release date	15 August 2017 (6 years ago)	23 April 2019 (5 years ago)
Launch price (MSRP)	$86	$439
Current price	$424 (4.9x MSRP)	$472 (1.1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900T has 1391% better value for money than Atom C3558.

Detailed specifications

Atom C3558 and Core i9-9900T 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	16
Base clock speed	2.2 GHz	2.1 GHz
Boost clock speed	2.2 GHz	4.4 GHz
L1 cache	224 KB	64K (per core)
L2 cache	8 MB	256K (per core)
L3 cache	8 MB	16 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	180.3 mm2
Maximum core temperature	83 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Atom C3558 and Core i9-9900T 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	1
Socket	FCBGA1310	FCLGA1151
Power consumption (TDP)	16 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3558 and Core i9-9900T. You'll probably need this information if you require some particular technology.

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

Security technologies

Atom C3558 and Core i9-9900T technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3558 and Core i9-9900T are enumerated here.

AMD-V	no data	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3558 and Core i9-9900T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2133	DDR4
Maximum memory size	256 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	29.871 GB/s	41.6 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Atom C3558 and Core i9-9900T integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Atom C3558 and Core i9-9900T integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Atom C3558 and Core i9-9900T integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom C3558 and Core i9-9900T.

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

Core i9-9900T outperforms Atom C3558 by 447% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.57	8.59
Recency	15 August 2017	23 April 2019
Physical cores	4	8
Threads	4	16
Cost	$86	$439
Power consumption (TDP)	16 Watt	35 Watt

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Should you still have questions on choice between Atom C3558 and Core i9-9900T, ask them in Comments section, and we shall answer.

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