EPYC Embedded 3401 vs Atom D2550

Primary details

Comparing Atom D2550 and EPYC Embedded 3401 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3156	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	AMD EPYC Embedded
Power efficiency	2.46	no data
Architecture codename	Cedarview (2011−2012)	Zen (2017−2020)
Release date	1 November 2011 (13 years ago)	21 February 2018 (6 years ago)

Detailed specifications

Atom D2550 and EPYC Embedded 3401 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)	16 (Hexadeca-Core)
Threads	4	16
Base clock speed	1.86 GHz	no data
Boost clock speed	1.87 GHz	1.85 GHz
Multiplier	no data	18.5
L1 cache	64 KB (per core)	1536 KB
L2 cache	512K (per core)	8 MB
L3 cache	0 KB	32 MB
Chip lithography	32 nm	14 nm
Die size	66 mm2	213 mm2
Maximum core temperature	100 °C	no data
Number of transistors	176 million	9600 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom D2550 and EPYC Embedded 3401 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 (Uniprocessor)
Socket	FCBGA559	no data
Power consumption (TDP)	10 Watt	85 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D2550 and EPYC Embedded 3401. 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
PAE	36 Bit	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom D2550 and EPYC Embedded 3401 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D2550 and EPYC Embedded 3401. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2666
Maximum memory size	4 GB	1 TiB
Max memory channels	1	4
Maximum memory bandwidth	6.4 GB/s	85.33 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel Graphics Media Accelerator (GMA) 3650 (640 MHz)

no data

Graphics interfaces

Available interfaces and connections of Atom D2550 and EPYC Embedded 3401 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Atom D2550 and EPYC Embedded 3401.

PCI Express lanes

4

no data

Pros & cons summary

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Recency	1 November 2011	21 February 2018
Physical cores	2	16
Threads	4	16
Chip lithography	32 nm	14 nm
Power consumption (TDP)	10 Watt	85 Watt

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