Intel Xeon Silver 4208 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon Silver 4208 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.

Intel Xeon Silver 4208

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon Silver 4208

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 3% higher clock speed: 3.20 GHz vs 3.1 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more maximum memory size: 1 TB vs 512 GB
Around 39% better performance in PassMark - CPU mark: 19398 vs 13912

Specifications (specs)
Launch date	2 April 2019 vs 21 Feb 2018
Maximum frequency	3.20 GHz vs 3.1 GHz
L2 cache	8 MB vs 4 MB
Maximum memory size	1 TB vs 512 GB
Benchmarks
PassMark - CPU mark	19398 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 45% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 70% lower typical power consumption: 50 Watt vs 85 Watt
Around 5% better performance in PassMark - Single thread mark: 1881 vs 1789

Specifications (specs)
Unlocked	Unlocked vs Locked
L1 cache	768 KB vs 512 KB
L3 cache	16 MB vs 11 MB
Thermal Design Power (TDP)	50 Watt vs 85 Watt
Benchmarks
PassMark - Single thread mark	1881 vs 1789

Compare benchmarks

CPU 1: Intel Xeon Silver 4208
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

1789

1881

PassMark - CPU mark

CPU 1

CPU 2

19398

13912

Name	Intel Xeon Silver 4208	AMD EPYC Embedded 3251
PassMark - Single thread mark	1789	1881
PassMark - CPU mark	19398	13912

Compare specifications (specs)

	Intel Xeon Silver 4208	AMD EPYC Embedded 3251
Essentials
Architecture codename	Cascade Lake	Zen
Family	Xeon Silver
Launch date	2 April 2019	21 Feb 2018
Launch price (MSRP)	$417
Place in performance rating	1049	1091
Processor Number	4208
Series	4200
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.10 GHz	2.5 GHz
L1 cache	512 KB	768 KB
L2 cache	8 MB	4 MB
L3 cache	11 MB	16 MB
Manufacturing process technology	14 nm	14 nm
Maximum case temperature (TCase)	78 °C
Maximum frequency	3.20 GHz	3.1 GHz
Number of cores	8	8
Number of threads	16	16
Number of Ultra Path Interconnect (UPI) Links	2
Unlocked
Die size		192 mm
Transistor count		4800 million
Memory
ECC memory support
Max memory channels	6	2
Maximum memory bandwidth	107.3 GB/s	39.74 GB/s
Maximum memory size	1 TB	512 GB
Supported memory frequency	2400 MHz
Supported memory types	DDR4-2400	DDR4-2666
Compatibility
Sockets supported	FCLGA3647
Thermal Design Power (TDP)	85 Watt	50 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	48	32
PCI Express revision	3.0	3.0
Scalability	2S
Integrated LAN
PCIe configurations		x16, x8, x4, x2
Total number of SATA ports		8
USB revision		3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Speed Shift technology
Turbo Boost Max 3.0
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™)