Intel Xeon D-1622 vs AMD EPYC 7251

Comparative analysis of Intel Xeon D-1622 and AMD EPYC 7251 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 D-1622

AMD EPYC 7251

Differences

Reasons to consider the Intel Xeon D-1622

CPU is newer: launch date 1 year(s) 10 month(s) later
Around 10% higher clock speed: 3.20 GHz vs 2.9 GHz
3x lower typical power consumption: 40 Watt vs 120 Watt
Around 12% better performance in PassMark - Single thread mark: 1875 vs 1671

Specifications (specs)
Launch date	2 Apr 2019 vs June 2017
Maximum frequency	3.20 GHz vs 2.9 GHz
Thermal Design Power (TDP)	40 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	1875 vs 1671

Reasons to consider the AMD EPYC 7251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
3x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
5.3x more L3 cache, more data can be stored in the L3 cache for quick access later
2.4x better performance in PassMark - CPU mark: 14935 vs 6205

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	8 vs 4
Number of threads	16 vs 8
L1 cache	96 KB (per core) vs 256 KB
L2 cache	512 KB (per core) vs 1 MB
L3 cache	32 MB vs 6 MB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	14935 vs 6205

Compare benchmarks

CPU 1: Intel Xeon D-1622
CPU 2: AMD EPYC 7251

PassMark - Single thread mark

CPU 1

CPU 2

1875

1671

PassMark - CPU mark

CPU 1

CPU 2

6205

14935

Name	Intel Xeon D-1622	AMD EPYC 7251
PassMark - Single thread mark	1875	1671
PassMark - CPU mark	6205	14935

Compare specifications (specs)

	Intel Xeon D-1622	AMD EPYC 7251
Essentials
Architecture codename	Hewitt Lake	Zen
Launch date	2 Apr 2019	June 2017
Launch price (MSRP)	$170
Place in performance rating	1327	1315
Processor Number	D-1622
Series	Intel Xeon D Processor	AMD EPYC 7000 Series
Status	Launched
Vertical segment	Server	Server
Family		AMD EPYC
Performance
64 bit support
Base frequency	2.60 GHz	2.1 GHz
L1 cache	256 KB	96 KB (per core)
L2 cache	1 MB	512 KB (per core)
L3 cache	6 MB	32 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	83
Maximum frequency	3.20 GHz	2.9 GHz
Number of cores	4	8
Number of QPI Links	0
Number of threads	8	16
Number of Ultra Path Interconnect (UPI) Links	0
Die size		192 mm
Transistor count		4800 million
Unlocked
Memory
Max memory channels	2	8
Maximum memory size	128 GB
Supported memory frequency	2133 MHz	2400 MHz
Supported memory types	DDR4, DDR3	DDR4
Maximum memory bandwidth		307 GB/s
Compatibility
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm
Sockets supported	FCBGA1667	TR4
Thermal Design Power (TDP)	40 Watt	120 Watt
Socket Count		1P/2P
Peripherals
Integrated LAN
Max number of PCIe lanes	32
Max number of SATA 6 Gb/s Ports	6
Number of USB ports	8
PCI Express revision	2.0/3.0	x128
PCIe configurations	x4 x8 x16
Scalability	1S Only
Total number of SATA ports	6
UART
USB revision	2.0/3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel AVX2
Integrated Intel® QuickAssist Technology
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® ME Firmware Version	SPS 3.0
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Quiet System
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™)