AMD Opteron 3365 vs AMD EPYC 7251

Comparative analysis of AMD Opteron 3365 and AMD EPYC 7251 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, 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 AMD Opteron 3365

  • Around 14% higher clock speed: 3.3 GHz vs 2.9 GHz
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 85% lower typical power consumption: 65 Watt vs 120 Watt
Maximum frequency 3.3 GHz vs 2.9 GHz
L2 cache 8 MB vs 512 KB (per core)
Thermal Design Power (TDP) 65 Watt vs 120 Watt

Reasons to consider the AMD EPYC 7251

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 8 more threads: 16 vs 8
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 48% better performance in PassMark - Single thread mark: 1671 vs 1132
  • 3.6x better performance in PassMark - CPU mark: 14935 vs 4105
Specifications (specs)
Unlocked Unlocked vs Locked
Number of threads 16 vs 8
Manufacturing process technology 14 nm vs 32 nm
L1 cache 96 KB (per core) vs 384 KB
L3 cache 32 MB vs 8 MB
Benchmarks
PassMark - Single thread mark 1671 vs 1132
PassMark - CPU mark 14935 vs 4105

Compare benchmarks

CPU 1: AMD Opteron 3365
CPU 2: AMD EPYC 7251

PassMark - Single thread mark
CPU 1
CPU 2
1132
1671
PassMark - CPU mark
CPU 1
CPU 2
4105
14935
Name AMD Opteron 3365 AMD EPYC 7251
PassMark - Single thread mark 1132 1671
PassMark - CPU mark 4105 14935
Geekbench 4 - Single Core 2048
Geekbench 4 - Multi-Core 6931

Compare specifications (specs)

AMD Opteron 3365 AMD EPYC 7251

Essentials

Family AMD Opteron AMD EPYC
OPN Tray OS3365OLW8KHK
Place in performance rating 1344 1272
Series AMD Opteron 3300 Series Processor AMD EPYC 7000 Series
Vertical segment Server Server
Architecture codename Zen
Launch date June 2017

Performance

Base frequency 2.3 GHz 2.1 GHz
L1 cache 384 KB 96 KB (per core)
L2 cache 8 MB 512 KB (per core)
L3 cache 8 MB 32 MB
Manufacturing process technology 32 nm 14 nm
Maximum core temperature 70.30°C
Maximum frequency 3.3 GHz 2.9 GHz
Number of cores 8 8
Number of threads 8 16
Unlocked
64 bit support
Die size 192 mm
Transistor count 4800 million

Memory

Supported memory frequency 2000 MHz 2400 MHz
Supported memory types DDR3 DDR4
Max memory channels 8
Maximum memory bandwidth 307 GB/s

Compatibility

Sockets supported AM3+ TR4
Thermal Design Power (TDP) 65 Watt 120 Watt
Max number of CPUs in a configuration 2
Socket Count 1P/2P

Peripherals

PCI Express revision x128

Virtualization

AMD Virtualization (AMD-V™)