Intel Xeon E5-4660 v4 vs Intel Xeon E5-2650L v4

Comparative analysis of Intel Xeon E5-4660 v4 and Intel Xeon E5-2650L v4 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 E5-4660 v4

Intel Xeon E5-2650L v4

Differences

Reasons to consider the Intel Xeon E5-4660 v4

2 more cores, run more applications at once: 16 vs 14
4 more threads: 32 vs 28
Around 20% higher clock speed: 3.00 GHz vs 2.50 GHz
Around 30% higher maximum core temperature: 83 vs 64°C

Number of cores	16 vs 14
Number of threads	32 vs 28
Maximum frequency	3.00 GHz vs 2.50 GHz
Maximum core temperature	83 vs 64°C
Max number of CPUs in a configuration	4 vs 2

Reasons to consider the Intel Xeon E5-2650L v4

Around 85% lower typical power consumption: 65 Watt vs 120 Watt
Around 1% better performance in PassMark - Single thread mark: 1596 vs 1575
Around 2% better performance in PassMark - CPU mark: 25017 vs 24421

Specifications (specs)
Thermal Design Power (TDP)	65 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	1596 vs 1575
PassMark - CPU mark	25017 vs 24421

Compare benchmarks

CPU 1: Intel Xeon E5-4660 v4
CPU 2: Intel Xeon E5-2650L v4

PassMark - Single thread mark

CPU 1

CPU 2

1575

1596

PassMark - CPU mark

CPU 1

CPU 2

24421

25017

Name	Intel Xeon E5-4660 v4	Intel Xeon E5-2650L v4
PassMark - Single thread mark	1575	1596
PassMark - CPU mark	24421	25017

Compare specifications (specs)

	Intel Xeon E5-4660 v4	Intel Xeon E5-2650L v4
Essentials
Architecture codename	Broadwell	Broadwell
Launch date	Q2'16	Q1'16
Place in performance rating	1170	1151
Processor Number	E5-4660V4	E5-2650LV4
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E5 v4 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.20 GHz	1.70 GHz
Bus Speed	9.6 GT/s QPI	9.6 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	83	64°C
Maximum frequency	3.00 GHz	2.50 GHz
Number of cores	16	14
Number of QPI Links	2	2
Number of threads	32	28
VID voltage range		0
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	76.8 GB/s
Maximum memory size	1.5 TB	1.5 TB
Supported memory types	DDR4	DDR4 1600/1866/2133/2400
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	45mm x 52.5mm	45mm x 52.5mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	120 Watt	65 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)