Ryzen 7 7840U vs Atom D425

Primary details

Comparing Atom D425 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	427
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	no data	53.17
Architecture codename	Pineview (2009−2011)	Phoenix-U (Zen 4) (2023)
Release date	21 June 2010 (14 years ago)	May 2023 (1 year ago)
Launch price (MSRP)	$993	no data

Detailed specifications

Atom D425 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	1 (Single-Core)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.8 GHz	3.3 GHz
Boost clock speed	1.83 GHz	5.1 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	512 KB (per core)	1 MB (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	45 nm	4 nm
Die size	66 mm2	178 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	123 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom D425 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	1
Socket	FCBGA559	FP8
Power consumption (TDP)	10 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D425 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
Precision Boost 2	no data	+

Security technologies

Atom D425 and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom D425 and Ryzen 7 7840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D425 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3	DDR5-5600
Maximum memory size	4 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	6.4 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel GMA 3150

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Atom D425 and Ryzen 7 7840U.

PCIe version	no data	4.0
PCI Express lanes	no data	20

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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Pros & cons summary

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Physical cores	1	8
Threads	2	16
Chip lithography	45 nm	4 nm
Power consumption (TDP)	10 Watt	28 Watt

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Should you still have questions on choice between Atom D425 and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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