Intel Xeon E7-8880 v2 vs Intel Xeon E5-4655 v3

Comparative analysis of Intel Xeon E7-8880 v2 and Intel Xeon E5-4655 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 E7-8880 v2

Intel Xeon E5-4655 v3

Differences

Reasons to consider the Intel Xeon E7-8880 v2

9 more cores, run more applications at once: 15 vs 6
18 more threads: 30 vs 12
2x more maximum memory size: 1.5 TB vs 768 GB
Around 4% lower typical power consumption: 130 Watt vs 135 Watt
2.8x better performance in PassMark - CPU mark: 25966 vs 9377

Specifications (specs)
Number of cores	15 vs 6
Number of threads	30 vs 12
Maximum memory size	1.5 TB vs 768 GB
Max number of CPUs in a configuration	8 vs 4
Thermal Design Power (TDP)	130 Watt vs 135 Watt
Benchmarks
PassMark - CPU mark	25966 vs 9377

Reasons to consider the Intel Xeon E5-4655 v3

Around 3% higher clock speed: 3.20 GHz vs 3.10 GHz
Around 16% higher maximum core temperature: 84.4°C vs 73°C
Around 38% better performance in PassMark - Single thread mark: 1817 vs 1316

Specifications (specs)
Maximum frequency	3.20 GHz vs 3.10 GHz
Maximum core temperature	84.4°C vs 73°C
Benchmarks
PassMark - Single thread mark	1817 vs 1316

Compare benchmarks

CPU 1: Intel Xeon E7-8880 v2
CPU 2: Intel Xeon E5-4655 v3

PassMark - Single thread mark

CPU 1

CPU 2

1316

1817

PassMark - CPU mark

CPU 1

CPU 2

25966

9377

Name	Intel Xeon E7-8880 v2	Intel Xeon E5-4655 v3
PassMark - Single thread mark	1316	1817
PassMark - CPU mark	25966	9377

Compare specifications (specs)

	Intel Xeon E7-8880 v2	Intel Xeon E5-4655 v3
Essentials
Architecture codename	Ivy Bridge	Haswell
Launch date	Q1'14	Q2'15
Place in performance rating	1279	1293
Processor Number	E7-8880V2	E5-4655V3
Series	Intel® Xeon® Processor E7 v2 Family	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.50 GHz	2.90 GHz
Bus Speed	8 GT/s QPI	9.6 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	73°C	84.4°C
Maximum frequency	3.10 GHz	3.20 GHz
Number of cores	15	6
Number of QPI Links	3	2
Number of threads	30	12
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	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)	130 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® AVX	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)