Intel Xeon E7-8891 v4 processor review
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 |
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PassMark CPU mark |
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Name | Value |
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PassMark - Single thread mark | 2104 |
PassMark - CPU mark | 48879 |
Specifications (specs)
Essentials |
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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 |
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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 |
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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 |
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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 |
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Max number of PCIe lanes | 32 |
PCI Express revision | 3.0 |
PCIe configurations | x4, x8, x16 |
Scalability | S8S |
Security & Reliability |
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Execute Disable Bit (EDB) | |
Intel® OS Guard | |
Intel® Secure Key technology | |
Intel® Trusted Execution technology (TXT) | |
Advanced Technologies |
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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 |
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Intel® Virtualization Technology (VT-x) | |
Intel® Virtualization Technology for Directed I/O (VT-d) | |
Intel® VT-x with Extended Page Tables (EPT) |