Intel Xeon E5-2643 v4 vs AMD EPYC 7551

Comparative analysis of Intel Xeon E5-2643 v4 and AMD EPYC 7551 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 E5-2643 v4

  • Around 23% higher clock speed: 3.70 GHz vs 3 GHz
  • Around 33% lower typical power consumption: 135 Watt vs 180 Watt
  • Around 27% better performance in PassMark - Single thread mark: 2277 vs 1789
  • Around 25% better performance in Geekbench 4 - Single Core: 3707 vs 2956
Specifications (specs)
Maximum frequency 3.70 GHz vs 3 GHz
Thermal Design Power (TDP) 135 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark 2277 vs 1789
Geekbench 4 - Single Core 3707 vs 2956

Reasons to consider the AMD EPYC 7551

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 26 more cores, run more applications at once: 32 vs 6
  • 52 more threads: 64 vs 12
  • 2.9x better performance in PassMark - CPU mark: 57865 vs 19937
  • Around 1% better performance in Geekbench 4 - Multi-Core: 20125 vs 19860
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 32 vs 6
Number of threads 64 vs 12
Benchmarks
PassMark - CPU mark 57865 vs 19937
Geekbench 4 - Multi-Core 20125 vs 19860

Compare benchmarks

CPU 1: Intel Xeon E5-2643 v4
CPU 2: AMD EPYC 7551

PassMark - Single thread mark
CPU 1
CPU 2
2277
1789
PassMark - CPU mark
CPU 1
CPU 2
19937
57865
Geekbench 4 - Single Core
CPU 1
CPU 2
3707
2956
Geekbench 4 - Multi-Core
CPU 1
CPU 2
19860
20125
Name Intel Xeon E5-2643 v4 AMD EPYC 7551
PassMark - Single thread mark 2277 1789
PassMark - CPU mark 19937 57865
Geekbench 4 - Single Core 3707 2956
Geekbench 4 - Multi-Core 19860 20125

Compare specifications (specs)

Intel Xeon E5-2643 v4 AMD EPYC 7551

Essentials

Architecture codename Broadwell Zen
Launch date Q1'16 June 2017
Place in performance rating 262 258
Processor Number E5-2643V4
Series Intel® Xeon® Processor E5 v4 Family AMD EPYC 7000 Series
Status Launched
Vertical segment Server Server
Family AMD EPYC
Price now $3,813.99
Value for money (0-100) 1.43

Performance

64 bit support
Base frequency 3.40 GHz 2 GHz
Bus Speed 9.6 GT/s QPI
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 75°C
Maximum frequency 3.70 GHz 3 GHz
Number of cores 6 32
Number of QPI Links 2
Number of threads 12 64
VID voltage range 0
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 76.8 GB/s 341 GB/s
Maximum memory size 1.5 TB
Supported memory types DDR4 1600/1866/2133/2400 DDR4
Supported memory frequency 2666 MHz

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 2 2
Package Size 45mm x 52.5mm
Sockets supported FCLGA2011-3 TR4
Thermal Design Power (TDP) 135 Watt 180 Watt
Socket Count 1P/2P

Peripherals

Max number of PCIe lanes 40
PCI Express revision 3.0 x128
PCIe configurations x4, x8, x16
Scalability 2S

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
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® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
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™)