Intel Xeon E7-8891 v3 vs Intel Xeon E5-4627 v3

Comparative analysis of Intel Xeon E7-8891 v3 and Intel Xeon E5-4627 v3 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.

Intel Xeon E7-8891 v3

Intel Xeon E5-4627 v3

Differences

Reasons to consider the Intel Xeon E7-8891 v3

10 more threads: 20 vs 10
Around 9% higher clock speed: 3.50 GHz vs 3.20 GHz
2x more maximum memory size: 1.5 TB vs 768 GB
Around 7% better performance in PassMark - CPU mark: 21615 vs 20294

Specifications (specs)
Number of threads	20 vs 10
Maximum frequency	3.50 GHz vs 3.20 GHz
Maximum memory size	1.5 TB vs 768 GB
Max number of CPUs in a configuration	8 vs 4
Benchmarks
PassMark - CPU mark	21615 vs 20294

Reasons to consider the Intel Xeon E5-4627 v3

Around 9% higher maximum core temperature: 86.4°C vs 79°C
Around 22% lower typical power consumption: 135 Watt vs 165 Watt

Specifications (specs)
Maximum core temperature	86.4°C vs 79°C
Thermal Design Power (TDP)	135 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	1722 vs 1715

Compare benchmarks

CPU 1: Intel Xeon E7-8891 v3
CPU 2: Intel Xeon E5-4627 v3

PassMark - Single thread mark

CPU 1

CPU 2

1715

1722

PassMark - CPU mark

CPU 1

CPU 2

21615

20294

Name	Intel Xeon E7-8891 v3	Intel Xeon E5-4627 v3
PassMark - Single thread mark	1715	1722
PassMark - CPU mark	21615	20294

Compare specifications (specs)

	Intel Xeon E7-8891 v3	Intel Xeon E5-4627 v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q2'15	Q2'15
Place in performance rating	1191	1197
Processor Number	E7-8891V3	E5-4627V3
Series	Intel® Xeon® Processor E7 v3 Family	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.80 GHz	2.60 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	79°C	86.4°C
Maximum frequency	3.50 GHz	3.20 GHz
Number of cores	10	10
Number of QPI Links	3	2
Number of threads	20	10
Memory
Max memory channels	4	4
Maximum memory bandwidth	85 GB/s	68 GB/s
Maximum memory size	1.5 TB	768 GB
Supported memory types	DDR4-1333/1600/1866, DDR3-1066/1333/1600	DDR4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	8	4
Package Size	52mm x 45mm	52.5mm x 45mm
Sockets supported	FCLGA2011	FCLGA2011-3
Thermal Design Power (TDP)	165 Watt	135 Watt
Peripherals
Max number of PCIe lanes	32	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	S8S	4S
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® 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	46-bit
Thermal Monitoring
Intel® Flex Memory Access
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)