AMD EPYC 7643 vs Intel Xeon E5-2696 v2

Comparative analysis of AMD EPYC 7643 and Intel Xeon E5-2696 v2 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the AMD EPYC 7643

  • 36 more cores, run more applications at once: 48 vs 12
  • 72 more threads: 96 vs 24
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 22 nm
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 8x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 8.5x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 5461.3x more maximum memory size: 4 TB vs 768 GB (per socket)
Number of cores 48 vs 12
Number of threads 96 vs 24
Manufacturing process technology 7 nm+ vs 22 nm
L1 cache 3 MB vs 768 KB
L2 cache 24 MB vs 3 MB
L3 cache 256 MB vs 30 MB
Maximum memory size 4 TB vs 768 GB (per socket)

Reasons to consider the Intel Xeon E5-2696 v2

  • Around 91567% higher clock speed: 3300 MHz vs 3.6 GHz
Maximum frequency 3300 MHz vs 3.6 GHz

Compare benchmarks

CPU 1: AMD EPYC 7643
CPU 2: Intel Xeon E5-2696 v2

Name AMD EPYC 7643 Intel Xeon E5-2696 v2
PassMark - Single thread mark 1915
PassMark - CPU mark 88348
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 56.68
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 312.635
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.097
CompuBench 1.5 Desktop - Video Composition (Frames/s) 16.335
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 84.763

Compare specifications (specs)

AMD EPYC 7643 Intel Xeon E5-2696 v2

Essentials

Architecture codename Zen 3 Ivy Bridge-EP
Launch date 15 Mar 2021
Launch price (MSRP) $4995
OPN PIB 100-100000326WOF
OPN Tray 100-000000326
Place in performance rating 224 223
Vertical segment Server Server
Family Intel Xeon E5-2600 v2
Processor Number E5-2696 v2

Performance

Base frequency 2.3 GHz 2500 MHz
L1 cache 3 MB 768 KB
L2 cache 24 MB 3 MB
L3 cache 256 MB 30 MB
Manufacturing process technology 7 nm+ 22 nm
Maximum frequency 3.6 GHz 3300 MHz
Number of cores 48 12
Number of threads 96 24
Unlocked
64 bit support
Bus Speed 5 GT/s DMI

Memory

ECC memory support
Max memory channels 8 4
Maximum memory bandwidth 190.73 GB/s
Maximum memory size 4 TB 768 GB (per socket)
Supported memory types DDR4-3200 DDR3

Compatibility

Configurable TDP 225-240 Watt
Socket Count 1P/2P
Sockets supported SP3 LGA2011
Thermal Design Power (TDP) 240 Watt
Max number of CPUs in a configuration 2

Peripherals

Max number of PCIe lanes 128
PCI Express revision 4.0 3.0

Advanced Technologies

AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Intel® Hyper-Threading technology
Intel® TSX-NI

Virtualization

AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)