Intel Xeon E5-4640 v4 vs Intel Xeon E5-1660 v4

Comparative analysis of Intel Xeon E5-4640 v4 and Intel Xeon E5-1660 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-4640 v4

Intel Xeon E5-1660 v4

Differences

Reasons to consider the Intel Xeon E5-4640 v4

4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 14% higher maximum core temperature: 80 vs 70°C
Around 33% lower typical power consumption: 105 Watt vs 140 Watt
Around 67% better performance in PassMark - CPU mark: 22559 vs 13518

Specifications (specs)
Number of cores	12 vs 8
Number of threads	24 vs 16
Maximum core temperature	80 vs 70°C
Max number of CPUs in a configuration	4 vs 1
Thermal Design Power (TDP)	105 Watt vs 140 Watt
Benchmarks
PassMark - CPU mark	22559 vs 13518

Reasons to consider the Intel Xeon E5-1660 v4

Around 46% higher clock speed: 3.80 GHz vs 2.60 GHz
Around 40% better performance in PassMark - Single thread mark: 2203 vs 1573

Specifications (specs)
Maximum frequency	3.80 GHz vs 2.60 GHz
Benchmarks
PassMark - Single thread mark	2203 vs 1573

Compare benchmarks

CPU 1: Intel Xeon E5-4640 v4
CPU 2: Intel Xeon E5-1660 v4

PassMark - Single thread mark

CPU 1

CPU 2

1573

2203

PassMark - CPU mark

CPU 1

CPU 2

22559

13518

Name	Intel Xeon E5-4640 v4	Intel Xeon E5-1660 v4
PassMark - Single thread mark	1573	2203
PassMark - CPU mark	22559	13518
Geekbench 4 - Single Core		888
Geekbench 4 - Multi-Core		6851

Compare specifications (specs)

	Intel Xeon E5-4640 v4	Intel Xeon E5-1660 v4
Essentials
Architecture codename	Broadwell	Broadwell
Launch date	Q2'16	Q2'16
Place in performance rating	1250	1262
Processor Number	E5-4640V4	E5-1660V4
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	2.10 GHz	3.20 GHz
Bus Speed	8 GT/s QPI	0 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	80	70°C
Maximum frequency	2.60 GHz	3.80 GHz
Number of cores	12	8
Number of QPI Links	2	0
Number of threads	24	16
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	1
Package Size	45mm x 52.5mm	45mm x 52.5mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	105 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)