Intel Xeon E7-8891 v4 processor review

Intel Xeon E7-8891 v4

Xeon E7-8891 v4 processor released by Intel; release date: Q2'16. The processor is designed for server-computers and based on Broadwell microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 10, threads - 20. Maximum CPU clock speed - 3.50 GHz. Maximum operating temperature - 79°C. Manufacturing process technology - 14 nm.

Supported memory types: DDR4-1333/1600/1866 DDR3-1066/1333/1600. Maximum memory size: 3 TB.

Supported socket types: FCLGA2011. Maximum number of processors in a configuration - 8. Power consumption (TDP): 165 Watt.

Benchmarks

PassMark
Single thread mark
Top 1 CPU
This CPU
4870
2104
PassMark
CPU mark
Top 1 CPU
This CPU
156834
48879
Name Value
PassMark - Single thread mark 2104
PassMark - CPU mark 48879

Specifications (specs)

Essentials

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

Performance

64 bit support
Base frequency 2.80 GHz
Bus Speed 9.6 GT/s QPI
Manufacturing process technology 14 nm
Maximum core temperature 79°C
Maximum frequency 3.50 GHz
Number of cores 10
Number of QPI Links 3
Number of threads 20

Memory

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

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 8
Package Size 45mm x 52.5mm
Sockets supported FCLGA2011
Thermal Design Power (TDP) 165 Watt

Peripherals

Max number of PCIe lanes 32
PCI Express revision 3.0
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)