Celeron 817 vs Ryzen 9 3900X

Primary details

Comparing Ryzen 9 3900X and Celeron 817 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	268	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	20.83	no data
Market segment	Desktop processor	Laptop
Series	AMD Ryzen 9	Intel Celeron
Power efficiency	18.51	no data
Architecture codename	Matisse (Zen 2) (2019−2020)	Sandy Bridge (2011−2013)
Release date	7 July 2019 (5 years ago)	no data (2024 years ago)
Launch price (MSRP)	$499	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 3900X and Celeron 817 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	12 (Dodeca-Core)	2 (Dual-core)
Threads	24	2
Base clock speed	3.8 GHz	no data
Boost clock speed	4.6 GHz	1.6 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	4 × 5 GT/s
Multiplier	no data	16
L1 cache	768 KB	128 KB
L2 cache	6 MB	512 KB
L3 cache	64 MB	2 MB
Chip lithography	7 nm, 12 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	95 °C	no data
Number of transistors	19,200 million	504 Million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 3900X and Celeron 817 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	AM4	no data
Power consumption (TDP)	105 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Celeron 817. You'll probably need this information if you require some particular technology.

AES-NI	+	-
FMA	-	+
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and Celeron 817 are enumerated here.

AMD-V	+	-
VT-x	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Celeron 817. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	no data
Maximum memory size	128 GB	16 GB
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

Intel HD Graphics (Sandy Bridge)

Pros & cons summary

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Physical cores	12	2
Threads	24	2
Chip lithography	7 nm	32 nm
Power consumption (TDP)	105 Watt	17 Watt

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