Intel Xeon E7-8891 v4 vs AMD EPYC 7451

Comparative analysis of Intel Xeon E7-8891 v4 and AMD EPYC 7451 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.

 

Differences

Reasons to consider the Intel Xeon E7-8891 v4

  • Around 9% higher clock speed: 3.50 GHz vs 3.2 GHz
  • Around 9% lower typical power consumption: 165 Watt vs 180 Watt
  • Around 9% better performance in PassMark - Single thread mark: 2104 vs 1931
Specifications (specs)
Maximum frequency 3.50 GHz vs 3.2 GHz
Max number of CPUs in a configuration 8 vs 2
Thermal Design Power (TDP) 165 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark 2104 vs 1931

Reasons to consider the AMD EPYC 7451

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 14 more cores, run more applications at once: 24 vs 10
  • 28 more threads: 48 vs 20
  • Around 7% better performance in PassMark - CPU mark: 52322 vs 48879
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 24 vs 10
Number of threads 48 vs 20
Benchmarks
PassMark - CPU mark 52322 vs 48879

Compare benchmarks

CPU 1: Intel Xeon E7-8891 v4
CPU 2: AMD EPYC 7451

PassMark - Single thread mark
CPU 1
CPU 2
2104
1931
PassMark - CPU mark
CPU 1
CPU 2
48879
52322
Name Intel Xeon E7-8891 v4 AMD EPYC 7451
PassMark - Single thread mark 2104 1931
PassMark - CPU mark 48879 52322

Compare specifications (specs)

Intel Xeon E7-8891 v4 AMD EPYC 7451

Essentials

Architecture codename Broadwell Zen
Launch date Q2'16 June 2017
Place in performance rating 579 612
Processor Number E7-8891V4
Series Intel® Xeon® Processor E7 v4 Family AMD EPYC 7000 Series
Status Launched
Vertical segment Server Server
Family AMD EPYC

Performance

64 bit support
Base frequency 2.80 GHz 2.3 GHz
Bus Speed 9.6 GT/s QPI
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 79°C
Maximum frequency 3.50 GHz 3.2 GHz
Number of cores 10 24
Number of QPI Links 3
Number of threads 20 48
Die size 192 mm
L1 cache 96 KB (per core)
L2 cache 512 KB (per core)
L3 cache 64 MB
Transistor count 4800 million
Unlocked

Memory

Max memory channels 4 8
Maximum memory bandwidth 85 GB/s 341 GB/s
Maximum memory size 3 TB
Supported memory types DDR4-1333/1600/1866 DDR3-1066/1333/1600 DDR4
Supported memory frequency 2666 MHz

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 8 2
Package Size 45mm x 52.5mm
Sockets supported FCLGA2011 TR4
Thermal Design Power (TDP) 165 Watt 180 Watt
Socket Count 1P/2P

Peripherals

Max number of PCIe lanes 32
PCI Express revision 3.0 x128
PCIe configurations x4, x8, x16
Scalability S8S

Security & Reliability

Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Instruction Replay Technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE) 46-bit
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™)