Intel Xeon Silver 4310T vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon Silver 4310T 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 4310T

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon Silver 4310T

CPU is newer: launch date 3 year(s) 1 month(s) later
Around 10% higher clock speed: 3.40 GHz vs 3.1 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
2.5x more L2 cache, more data can be stored in the L2 cache for quick access later
12x more maximum memory size: 6 TB vs 512 GB
Around 11% better performance in PassMark - Single thread mark: 2089 vs 1881
Around 48% better performance in PassMark - CPU mark: 20607 vs 13912

Specifications (specs)
Launch date	6 Apr 2021 vs 21 Feb 2018
Maximum frequency	3.40 GHz vs 3.1 GHz
Manufacturing process technology	10 nm vs 14 nm
L2 cache	10 MB vs 4 MB
Maximum memory size	6 TB vs 512 GB
Benchmarks
PassMark - Single thread mark	2089 vs 1881
PassMark - CPU mark	20607 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 20% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 7% more L3 cache; more data can be stored in the L3 cache for quick access later
2.1x lower typical power consumption: 50 Watt vs 105 Watt

Unlocked	Unlocked vs Locked
L1 cache	768 KB vs 640 KB
L3 cache	16 MB vs 15 MB
Thermal Design Power (TDP)	50 Watt vs 105 Watt

Compare benchmarks

CPU 1: Intel Xeon Silver 4310T
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

2089

1881

PassMark - CPU mark

CPU 1

CPU 2

20607

13912

Name	Intel Xeon Silver 4310T	AMD EPYC Embedded 3251
PassMark - Single thread mark	2089	1881
PassMark - CPU mark	20607	13912

Compare specifications (specs)

	Intel Xeon Silver 4310T	AMD EPYC Embedded 3251
Essentials
Architecture codename	Ice Lake	Zen
Launch date	6 Apr 2021	21 Feb 2018
Launch price (MSRP)	$555
Place in performance rating	1001	1202
Processor Number	4310T
Series	3rd Generation Intel Xeon Scalable Processors
Status	Launched
Vertical segment	Server	Server
Performance
Base frequency	2.30 GHz	2.5 GHz
L1 cache	640 KB	768 KB
L2 cache	10 MB	4 MB
L3 cache	15 MB	16 MB
Manufacturing process technology	10 nm	14 nm
Maximum core temperature	88°C
Maximum frequency	3.40 GHz	3.1 GHz
Number of Ultra Path Interconnect (UPI) Links	2
64 bit support
Die size		192 mm
Number of cores		8
Number of threads		16
Transistor count		4800 million
Unlocked
Memory
Max memory channels	8	2
Maximum memory size	6 TB	512 GB
Supported memory frequency	2667 MHz
Supported memory types	DDR4-2667	DDR4-2666
ECC memory support
Maximum memory bandwidth		39.74 GB/s
Compatibility
Package Size	77.5mm x 56.5mm
Sockets supported	FCLGA4189
Thermal Design Power (TDP)	105 Watt	50 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	64	32
PCI Express revision	4.0	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® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions	Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units	2
Speed Shift technology
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™)