Intel Xeon E5-2643 v3 vs Intel Xeon W-2155

Comparative analysis of Intel Xeon E5-2643 v3 and Intel Xeon W-2155 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 v3

  • Around 14% higher maximum core temperature: 77.3°C vs 68
  • Around 50% higher maximum memory size: 768 GB vs 512 GB
  • Around 4% lower typical power consumption: 135 Watt vs 140 Watt
Maximum core temperature 77.3°C vs 68
Maximum memory size 768 GB vs 512 GB
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 135 Watt vs 140 Watt

Reasons to consider the Intel Xeon W-2155

  • 4 more cores, run more applications at once: 10 vs 6
  • 8 more threads: 20 vs 12
  • Around 22% higher clock speed: 4.50 GHz vs 3.70 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
  • Around 26% better performance in PassMark - Single thread mark: 2604 vs 2062
  • Around 18% better performance in PassMark - CPU mark: 21019 vs 17888
Specifications (specs)
Number of cores 10 vs 6
Number of threads 20 vs 12
Maximum frequency 4.50 GHz vs 3.70 GHz
Manufacturing process technology 14 nm vs 22 nm
Benchmarks
PassMark - Single thread mark 2604 vs 2062
PassMark - CPU mark 21019 vs 17888

Compare benchmarks

CPU 1: Intel Xeon E5-2643 v3
CPU 2: Intel Xeon W-2155

PassMark - Single thread mark
CPU 1
CPU 2
2062
2604
PassMark - CPU mark
CPU 1
CPU 2
17888
21019
Name Intel Xeon E5-2643 v3 Intel Xeon W-2155
PassMark - Single thread mark 2062 2604
PassMark - CPU mark 17888 21019
Geekbench 4 - Single Core 1104
Geekbench 4 - Multi-Core 9442

Compare specifications (specs)

Intel Xeon E5-2643 v3 Intel Xeon W-2155

Essentials

Architecture codename Haswell Skylake
Launch date Q3'14 Q3'17
Place in performance rating 927 869
Processor Number E5-2643V3 W-2155
Series Intel® Xeon® Processor E5 v3 Family Intel® Xeon® W Processor
Status Launched Launched
Vertical segment Server Server

Performance

64 bit support
Base frequency 3.40 GHz 3.30 GHz
Bus Speed 9.6 GT/s QPI 0 GT/s QPI
Manufacturing process technology 22 nm 14 nm
Maximum core temperature 77.3°C 68
Maximum frequency 3.70 GHz 4.50 GHz
Number of cores 6 10
Number of QPI Links 2 0
Number of threads 12 20
VID voltage range 0.65V–1.30V
Number of Ultra Path Interconnect (UPI) Links 0

Memory

Max memory channels 4 4
Maximum memory bandwidth 68 GB/s 85.3 GB/s
Maximum memory size 768 GB 512 GB
Supported memory types DDR4 1600/1866/2133 DDR4 1600/1866/2133/2400/2666

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 2 1
Package Size 52.5mm x 45mm 45mm x 52.5mm
Sockets supported FCLGA2011-3 FCLGA2066
Thermal Design Power (TDP) 135 Watt 140 Watt

Peripherals

Max number of PCIe lanes 40 48
PCI Express revision 3.0 3.0
PCIe configurations x4, x8, x16 x4, x8, x16
Scalability 2S 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® AVX2 Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
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 46-bit
Thermal Monitoring
Intel® Optane™ Memory Supported
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units 2
Speed Shift technology

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)