Ryzen Embedded 8840U vs Atom C3958

Primary details

Comparing Atom C3958 and Ryzen Embedded 8840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1633	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.54	no data
Market segment	Server	Laptop
Series	Intel Atom	no data
Architecture codename	Goldmont (2016−2017)	Hawk Point
Release date	15 August 2017 (6 years ago)	2 April 2024 (less than a year ago)
Launch price (MSRP)	$449	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom C3958 and Ryzen Embedded 8840U 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	16 (Hexadeca-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	no data	3.3 GHz
Boost clock speed	2 GHz	5.1 GHz
L1 cache	896 KB	64 KB (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	no data	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	83 °C	no data
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Atom C3958 and Ryzen Embedded 8840U 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	no data	FP8
Power consumption (TDP)	31 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3958 and Ryzen Embedded 8840U. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3958 and Ryzen Embedded 8840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3958 and Ryzen Embedded 8840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1600	DDR5
Maximum memory size	256 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Atom C3958 and Ryzen Embedded 8840U.

PCIe version	no data	4.0
PCI Express lanes	16	20

Pros & cons summary

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Recency	15 August 2017	2 April 2024
Physical cores	16	8
Chip lithography	14 nm	4 nm
Power consumption (TDP)	31 Watt	28 Watt

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Should you still have questions on choice between Atom C3958 and Ryzen Embedded 8840U, ask them in Comments section, and we shall answer.

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