Intel Xeon E5-1660 v3 vs Intel Xeon E3-1240L v5

Comparative analysis of Intel Xeon E5-1660 v3 and Intel Xeon E3-1240L v5 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-1660 v3

Intel Xeon E3-1240L v5

Differences

Reasons to consider the Intel Xeon E5-1660 v3

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
Around 9% higher clock speed: 3.50 GHz vs 3.20 GHz
12x more maximum memory size: 768 GB vs 64 GB
Around 3% better performance in PassMark - Single thread mark: 1975 vs 1909
Around 92% better performance in PassMark - CPU mark: 12488 vs 6511

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum frequency	3.50 GHz vs 3.20 GHz
Maximum memory size	768 GB vs 64 GB
Benchmarks
PassMark - Single thread mark	1975 vs 1909
PassMark - CPU mark	12488 vs 6511

Reasons to consider the Intel Xeon E3-1240L v5

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
5.6x lower typical power consumption: 25 Watt vs 140 Watt

Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	25 Watt vs 140 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-1660 v3
CPU 2: Intel Xeon E3-1240L v5

PassMark - Single thread mark

CPU 1

CPU 2

1975

1909

PassMark - CPU mark

CPU 1

CPU 2

12488

6511

Name	Intel Xeon E5-1660 v3	Intel Xeon E3-1240L v5
PassMark - Single thread mark	1975	1909
PassMark - CPU mark	12488	6511
Geekbench 4 - Single Core	907
Geekbench 4 - Multi-Core	7564

Compare specifications (specs)

	Intel Xeon E5-1660 v3	Intel Xeon E3-1240L v5
Essentials
Architecture codename	Haswell	Skylake
Launch date	Q3'14	Q4'15
Place in performance rating	1294	1288
Processor Number	E5-1660V3	E3-1240LV5
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E3 v5 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.00 GHz	2.10 GHz
Bus Speed	0 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	65.9°C
Maximum frequency	3.50 GHz	3.20 GHz
Number of cores	8	4
Number of QPI Links	0
Number of threads	16	8
VID voltage range	0.65–1.30V	0.55V-1.52V
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	34.1 GB/s
Maximum memory size	768 GB	64 GB
Supported memory types	DDR4 1333/1600/1866/2133	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	52.5mm x 45.0 mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1151
Thermal Design Power (TDP)	140 Watt	25 Watt
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	1x16, 2x8, 1x8+2x4
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Graphics interfaces
Number of displays supported		0
Graphics image quality
4K resolution support