EPYC 7543 vs Atom D425

Primary details

Comparing Atom D425 and EPYC 7543 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	77
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	7.63
Market segment	Laptop	Server
Series	no data	AMD EPYC
Power efficiency	no data	16.13
Architecture codename	Pineview (2009−2011)	Milan (2021−2023)
Release date	21 June 2010 (14 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$993	$3,761

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom D425 and EPYC 7543 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)	32 (Dotriaconta-Core)
Threads	2	64
Base clock speed	1.8 GHz	2.8 GHz
Boost clock speed	1.83 GHz	3.7 GHz
Multiplier	no data	28
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	45 nm	7 nm+
Die size	66 mm2	8x 81 mm2
Maximum core temperature	100 °C	no data
Number of transistors	123 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom D425 and EPYC 7543 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	2
Socket	FCBGA559	SP3
Power consumption (TDP)	10 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D425 and EPYC 7543. 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

Security technologies

Atom D425 and EPYC 7543 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 EPYC 7543 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 EPYC 7543. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3	DDR4-3200
Maximum memory size	4 GB	4 TiB
Max memory channels	1	no data
Maximum memory bandwidth	6.4 GB/s	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 3150

N/A

Peripherals

Specifications and connection of peripherals supported by Atom D425 and EPYC 7543.

PCIe version	no data	4.0
PCI Express lanes	no data	128

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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Recency	21 June 2010	15 March 2021
Physical cores	1	32
Threads	2	64
Chip lithography	45 nm	7 nm
Power consumption (TDP)	10 Watt	225 Watt

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Should you still have questions on choice between Atom D425 and EPYC 7543, ask them in Comments section, and we shall answer.

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