Ryzen 7 7840U vs Atom C3338

Primary details

Comparing Atom C3338 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2745	426
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.06	no data
Market segment	Server	Laptop
Series	Intel Atom	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	6.79	53.15
Architecture codename	Goldmont (2016−2017)	Phoenix-U (Zen 4) (2023)
Release date	22 February 2017 (7 years ago)	May 2023 (1 year ago)
Launch price (MSRP)	$27	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom C3338 and Ryzen 7 7840U 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.5 GHz	3.3 GHz
Boost clock speed	2.2 GHz	5.1 GHz
Multiplier	15	no data
L1 cache	112 KB	64K (per core)
L2 cache	4 MB	1 MB (per core)
L3 cache	4 MB	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	89 °C	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom C3338 and Ryzen 7 7840U 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	FCBGA1310	FP8
Power consumption (TDP)	8.5 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3338 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	-	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
Precision Boost 2	no data	+

Security technologies

Atom C3338 and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Boot	+	no data
Secure Key	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3338 and Ryzen 7 7840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3338 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 1866	DDR5-5600
Maximum memory size	128 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	14.936 GB/s	no data
ECC memory support	+	-

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 C3338 and Ryzen 7 7840U.

PCIe version	3	4.0
PCI Express lanes	10	20
USB revision	3	no data
Total number of SATA ports	10	no data
Max number of SATA 6 Gb/s Ports	10	no data
Number of USB ports	8	no data
Integrated LAN	4x2.5/1 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.

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Pros & cons summary

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Performance score	0.67	16.32
Physical cores	2	8
Threads	2	16
Chip lithography	14 nm	4 nm
Power consumption (TDP)	8 Watt	28 Watt

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Should you still have questions on choice between Atom C3338 and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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