Intel Xeon E5-4660 v3 vs Intel Xeon E5-2620 v3

Comparative analysis of Intel Xeon E5-4660 v3 and Intel Xeon E5-2620 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E5-4660 v3

Intel Xeon E5-2620 v3

Differences

Reasons to consider the Intel Xeon E5-4660 v3

8 more cores, run more applications at once: 14 vs 6
16 more threads: 28 vs 12
Around 14% higher maximum core temperature: 82.5°C vs 72.6°C
Around 8% better performance in PassMark - CPU mark: 14256 vs 13211

Specifications (specs)
Number of cores	14 vs 6
Number of threads	28 vs 12
Maximum core temperature	82.5°C vs 72.6°C
Max number of CPUs in a configuration	4 vs 2
Benchmarks
PassMark - CPU mark	14256 vs 13211

Reasons to consider the Intel Xeon E5-2620 v3

Around 10% higher clock speed: 3.20 GHz vs 2.90 GHz
Around 41% lower typical power consumption: 85 Watt vs 120 Watt
Around 9% better performance in PassMark - Single thread mark: 1696 vs 1558

Specifications (specs)
Maximum frequency	3.20 GHz vs 2.90 GHz
Thermal Design Power (TDP)	85 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	1696 vs 1558

Compare benchmarks

CPU 1: Intel Xeon E5-4660 v3
CPU 2: Intel Xeon E5-2620 v3

PassMark - Single thread mark

CPU 1

CPU 2

1558

1696

PassMark - CPU mark

CPU 1

CPU 2

14256

13211

Name	Intel Xeon E5-4660 v3	Intel Xeon E5-2620 v3
PassMark - Single thread mark	1558	1696
PassMark - CPU mark	14256	13211
Geekbench 4 - Single Core		697
Geekbench 4 - Multi-Core		3958
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		16.123
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		194.017
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.526
CompuBench 1.5 Desktop - Video Composition (Frames/s)		7.846
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		47.998

Compare specifications (specs)

	Intel Xeon E5-4660 v3	Intel Xeon E5-2620 v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q2'15	Q3'14
Place in performance rating	1410	1404
Processor Number	E5-4660V3	E5-2620V3
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	2.10 GHz	2.40 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	82.5°C	72.6°C
Maximum frequency	2.90 GHz	3.20 GHz
Number of cores	14	6
Number of QPI Links	2	2
Number of threads	28	12
VID voltage range		0.65V–1.30V
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	59 GB/s
Maximum memory size	768 GB	768 GB
Supported memory types	DDR4	DDR4 1600/1866
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	52.5mm x 51mm	52.5mm x 45mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	120 Watt	85 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)