Intel Xeon D-1520 vs AMD EPYC 7251

Comparative analysis of Intel Xeon D-1520 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the Intel Xeon D-1520

  • 2.7x lower typical power consumption: 45 Watt vs 120 Watt
Thermal Design Power (TDP) 45 Watt vs 120 Watt

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
  • Around 12% higher clock speed: 2.9 GHz vs 2.60 GHz
  • Around 32% better performance in PassMark - Single thread mark: 1671 vs 1270
  • 3x better performance in PassMark - CPU mark: 14935 vs 4917
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 8 vs 4
Number of threads 16 vs 8
Maximum frequency 2.9 GHz vs 2.60 GHz
Max number of CPUs in a configuration 2 vs 1
Benchmarks
PassMark - Single thread mark 1671 vs 1270
PassMark - CPU mark 14935 vs 4917

Compare benchmarks

CPU 1: Intel Xeon D-1520
CPU 2: AMD EPYC 7251

PassMark - Single thread mark
CPU 1
CPU 2
1270
1671
PassMark - CPU mark
CPU 1
CPU 2
4917
14935
Name Intel Xeon D-1520 AMD EPYC 7251
PassMark - Single thread mark 1270 1671
PassMark - CPU mark 4917 14935
Geekbench 4 - Single Core 2155
Geekbench 4 - Multi-Core 7331

Compare specifications (specs)

Intel Xeon D-1520 AMD EPYC 7251

Essentials

Architecture codename Broadwell Zen
Launch date Q1'15 June 2017
Place in performance rating 1244 1273
Processor Number D-1520
Series Intel® Xeon® D Processor AMD EPYC 7000 Series
Status Launched
Vertical segment Server Server
Family AMD EPYC

Performance

64 bit support
Base frequency 2.20 GHz 2.1 GHz
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 80°C
Maximum frequency 2.60 GHz 2.9 GHz
Number of cores 4 8
Number of threads 8 16
Die size 192 mm
L1 cache 96 KB (per core)
L2 cache 512 KB (per core)
L3 cache 32 MB
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 DDR4
Maximum memory bandwidth 307 GB/s

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 2
Package Size 37.5mm x 37.5mm
Sockets supported FCBGA1667 TR4
Thermal Design Power (TDP) 45 Watt 120 Watt
Socket Count 1P/2P

Peripherals

Integrated LAN
Max number of PCIe lanes 32
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® 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™)