Intel Xeon E5-4627 v4 vs Intel Xeon E5-2643 v3

Comparative analysis of Intel Xeon E5-4627 v4 and Intel Xeon E5-2643 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 E5-4627 v4

Intel Xeon E5-2643 v3

Differences

Reasons to consider the Intel Xeon E5-4627 v4

4 more cores, run more applications at once: 10 vs 6
Around 6% higher maximum core temperature: 82 vs 77.3°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2x more maximum memory size: 1.5 TB vs 768 GB
Around 25% better performance in PassMark - CPU mark: 22336 vs 17911

Specifications (specs)
Number of cores	10 vs 6
Maximum core temperature	82 vs 77.3°C
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	1.5 TB vs 768 GB
Max number of CPUs in a configuration	4 vs 2
Benchmarks
PassMark - CPU mark	22336 vs 17911

Reasons to consider the Intel Xeon E5-2643 v3

2 more threads: 12 vs 10
Around 16% higher clock speed: 3.70 GHz vs 3.20 GHz
Around 6% better performance in PassMark - Single thread mark: 2061 vs 1951

Specifications (specs)
Number of threads	12 vs 10
Maximum frequency	3.70 GHz vs 3.20 GHz
Benchmarks
PassMark - Single thread mark	2061 vs 1951

Compare benchmarks

CPU 1: Intel Xeon E5-4627 v4
CPU 2: Intel Xeon E5-2643 v3

PassMark - Single thread mark

CPU 1

CPU 2

1951

2061

PassMark - CPU mark

CPU 1

CPU 2

22336

17911

Name	Intel Xeon E5-4627 v4	Intel Xeon E5-2643 v3
PassMark - Single thread mark	1951	2061
PassMark - CPU mark	22336	17911

Compare specifications (specs)

	Intel Xeon E5-4627 v4	Intel Xeon E5-2643 v3
Essentials
Architecture codename	Broadwell	Haswell
Launch date	Q2'16	Q3'14
Place in performance rating	913	929
Processor Number	E5-4627V4	E5-2643V3
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.60 GHz	3.40 GHz
Bus Speed	8 GT/s QPI	9.6 GT/s QPI
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	82	77.3°C
Maximum frequency	3.20 GHz	3.70 GHz
Number of cores	10	6
Number of QPI Links	2	2
Number of threads	10	12
VID voltage range		0.65V–1.30V
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	68 GB/s
Maximum memory size	1.5 TB	768 GB
Supported memory types	DDR4	DDR4 1600/1866/2133
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	45mm x 52.5mm	52.5mm x 45mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	135 Watt	135 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	4S	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
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® Demand Based Switching
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)