Intel Xeon E5-2640 v4 vs Intel Xeon E5-2660 v3

Comparative analysis of Intel Xeon E5-2640 v4 and Intel Xeon E5-2660 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 E5-2640 v4

Intel Xeon E5-2660 v3

Differences

Reasons to consider the Intel Xeon E5-2640 v4

Around 3% higher clock speed: 3.40 GHz vs 3.30 GHz
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 17% lower typical power consumption: 90 Watt vs 105 Watt
Around 3% better performance in PassMark - Single thread mark: 1858 vs 1802

Specifications (specs)
Maximum frequency	3.40 GHz vs 3.30 GHz
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	1.5 TB vs 768 GB
Thermal Design Power (TDP)	90 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	1858 vs 1802

Reasons to consider the Intel Xeon E5-2660 v3

Around 4% higher maximum core temperature: 79°C vs 76°C
Around 5% better performance in PassMark - CPU mark: 21923 vs 20810
Around 8% better performance in Geekbench 4 - Single Core: 754 vs 695
Around 9% better performance in Geekbench 4 - Multi-Core: 5962 vs 5464

Specifications (specs)
Maximum core temperature	79°C vs 76°C
Benchmarks
PassMark - CPU mark	21923 vs 20810
Geekbench 4 - Single Core	754 vs 695
Geekbench 4 - Multi-Core	5962 vs 5464

Compare benchmarks

CPU 1: Intel Xeon E5-2640 v4
CPU 2: Intel Xeon E5-2660 v3

PassMark - Single thread mark

CPU 1

CPU 2

1858

1802

PassMark - CPU mark

CPU 1

CPU 2

20810

21923

Geekbench 4 - Single Core

CPU 1

CPU 2

695

754

Geekbench 4 - Multi-Core

CPU 1

CPU 2

5464

5962

Name	Intel Xeon E5-2640 v4	Intel Xeon E5-2660 v3
PassMark - Single thread mark	1858	1802
PassMark - CPU mark	20810	21923
Geekbench 4 - Single Core	695	754
Geekbench 4 - Multi-Core	5464	5962

Compare specifications (specs)

	Intel Xeon E5-2640 v4	Intel Xeon E5-2660 v3
Essentials
Architecture codename	Broadwell	Haswell
Launch date	Q1'16	Q3'14
Place in performance rating	1457	1412
Processor Number	E5-2640V4	E5-2660V3
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	2.40 GHz	2.60 GHz
Bus Speed	8 GT/s QPI	9.6 GT/s QPI
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	76°C	79°C
Maximum frequency	3.40 GHz	3.30 GHz
Number of cores	10	10
Number of QPI Links	2	2
Number of threads	20	20
VID voltage range	0	0.65V–1.30V
Memory
Max memory channels	4	4
Maximum memory bandwidth	68.3 GB/s	68 GB/s
Maximum memory size	1.5 TB	768 GB
Supported memory types	DDR4 1600/1866/2133	DDR4 1600/1866/2133
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	45mm x 52.5mm	52.5mm x 45mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	90 Watt	105 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	2S	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	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	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)