Intel Xeon E5-4655 v3 vs Intel Xeon E5-1660 v3

Comparative analysis of Intel Xeon E5-4655 v3 and Intel Xeon E5-1660 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-4655 v3

Intel Xeon E5-1660 v3

Differences

Reasons to consider the Intel Xeon E5-4655 v3

Around 28% higher maximum core temperature: 84.4°C vs 65.9°C
Around 4% lower typical power consumption: 135 Watt vs 140 Watt

Maximum core temperature	84.4°C vs 65.9°C
Max number of CPUs in a configuration	4 vs 1
Thermal Design Power (TDP)	135 Watt vs 140 Watt

Reasons to consider the Intel Xeon E5-1660 v3

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 9% higher clock speed: 3.50 GHz vs 3.20 GHz
Around 9% better performance in PassMark - Single thread mark: 1973 vs 1817
Around 34% better performance in PassMark - CPU mark: 12519 vs 9377

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	3.50 GHz vs 3.20 GHz
Benchmarks
PassMark - Single thread mark	1973 vs 1817
PassMark - CPU mark	12519 vs 9377

Compare benchmarks

CPU 1: Intel Xeon E5-4655 v3
CPU 2: Intel Xeon E5-1660 v3

PassMark - Single thread mark

CPU 1

CPU 2

1817

1973

PassMark - CPU mark

CPU 1

CPU 2

9377

12519

Name	Intel Xeon E5-4655 v3	Intel Xeon E5-1660 v3
PassMark - Single thread mark	1817	1973
PassMark - CPU mark	9377	12519
Geekbench 4 - Single Core		907
Geekbench 4 - Multi-Core		7564

Compare specifications (specs)

	Intel Xeon E5-4655 v3	Intel Xeon E5-1660 v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q2'15	Q3'14
Place in performance rating	1312	1313
Processor Number	E5-4655V3	E5-1660V3
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.90 GHz	3.00 GHz
Bus Speed	9.6 GT/s QPI	0 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	84.4°C	65.9°C
Maximum frequency	3.20 GHz	3.50 GHz
Number of cores	6	8
Number of QPI Links	2	0
Number of threads	12	16
VID voltage range		0.65–1.30V
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	68 GB/s
Maximum memory size	768 GB	768 GB
Supported memory types	DDR4	DDR4 1333/1600/1866/2133
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	52.5mm x 45mm	52.5mm x 45.0 mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	135 Watt	140 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	1S Only
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)