Intel Xeon D-1540 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon D-1540 and AMD EPYC Embedded 3251 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon D-1540

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon D-1540

Around 11% lower typical power consumption: 45 Watt vs 50 Watt

Thermal Design Power (TDP)	45 Watt vs 50 Watt

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 19% higher clock speed: 3.1 GHz vs 2.60 GHz
4x more maximum memory size: 512 GB vs 128 GB
Around 16% better performance in PassMark - Single thread mark: 1881 vs 1617
Around 39% better performance in PassMark - CPU mark: 13912 vs 10025

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.1 GHz vs 2.60 GHz
Maximum memory size	512 GB vs 128 GB
Benchmarks
PassMark - Single thread mark	1881 vs 1617
PassMark - CPU mark	13912 vs 10025

Compare benchmarks

CPU 1: Intel Xeon D-1540
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

1617

1881

PassMark - CPU mark

CPU 1

CPU 2

10025

13912

Name	Intel Xeon D-1540	AMD EPYC Embedded 3251
PassMark - Single thread mark	1617	1881
PassMark - CPU mark	10025	13912
Geekbench 4 - Single Core	1980
Geekbench 4 - Multi-Core	11725

Compare specifications (specs)

	Intel Xeon D-1540	AMD EPYC Embedded 3251
Essentials
Architecture codename	Broadwell	Zen
Launch date	Q1'15	21 Feb 2018
Place in performance rating	1006	1187
Processor Number	D-1540
Series	Intel® Xeon® D Processor
Status	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	2.5 GHz
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	80°C
Maximum frequency	2.60 GHz	3.1 GHz
Number of cores	8	8
Number of threads	16	16
Die size		192 mm
L1 cache		768 KB
L2 cache		4 MB
L3 cache		16 MB
Transistor count		4800 million
Unlocked
Memory
Max memory channels	2	2
Maximum memory size	128 GB	512 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4	DDR4-2666
ECC memory support
Maximum memory bandwidth		39.74 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCBGA1667
Thermal Design Power (TDP)	45 Watt	50 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	32	32
Number of USB ports	8
PCI Express revision	2.0/3.0	3.0
PCIe configurations	x4 x8 x16	x16, x8, x4, x2
Scalability	1S Only
Total number of SATA ports	6	8
UART
USB revision	2.0/3.0	3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)