Intel Xeon E5-4650 v2 vs Intel Xeon E3-1585L v5

Comparative analysis of Intel Xeon E5-4650 v2 and Intel Xeon E3-1585L v5 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E5-4650 v2

Intel Xeon E3-1585L v5

Differences

Reasons to consider the Intel Xeon E5-4650 v2

6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
12x more maximum memory size: 768 GB vs 64 GB
4x better performance in PassMark - CPU mark: 31723 vs 7959

Specifications (specs)
Number of cores	10 vs 4
Number of threads	20 vs 8
Maximum memory size	768 GB vs 64 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	31723 vs 7959

Reasons to consider the Intel Xeon E3-1585L v5

Around 28% higher clock speed: 3.70 GHz vs 2.90 GHz
Around 33% higher maximum core temperature: 100 vs 75°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2.1x lower typical power consumption: 45 Watt vs 95 Watt
Around 41% better performance in PassMark - Single thread mark: 2152 vs 1531

Specifications (specs)
Maximum frequency	3.70 GHz vs 2.90 GHz
Maximum core temperature	100 vs 75°C
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	45 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	2152 vs 1531

Compare benchmarks

CPU 1: Intel Xeon E5-4650 v2
CPU 2: Intel Xeon E3-1585L v5

PassMark - Single thread mark

CPU 1

CPU 2

1531

2152

PassMark - CPU mark

CPU 1

CPU 2

31723

7959

Name	Intel Xeon E5-4650 v2	Intel Xeon E3-1585L v5
PassMark - Single thread mark	1531	2152
PassMark - CPU mark	31723	7959

Compare specifications (specs)

	Intel Xeon E5-4650 v2	Intel Xeon E3-1585L v5
Essentials
Architecture codename	Ivy Bridge EP	Skylake
Launch date	Q1'14	Q2'16
Place in performance rating	1146	1147
Processor Number	E5-4650V2	E3-1585LV5
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E3 v5 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.40 GHz	3.00 GHz
Bus Speed	8 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	75°C	100
Maximum frequency	2.90 GHz	3.70 GHz
Number of cores	10	4
Number of QPI Links	2	0
Number of threads	20	8
VID voltage range	0.65-1.30V
Memory
Max memory channels	4	2
Maximum memory bandwidth	59.7 GB/s
Maximum memory size	768 GB	64 GB
Supported memory types	DDR3 800/1066/1333/1600/1866	DDR3L,LPDDR3 1600MHz, DDR4 2133MHz at 1.2V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	52.5 mm x 45 mm
Sockets supported	FCLGA2011	FCBGA1440
Thermal Design Power (TDP)	95 Watt	45 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	4S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
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)
Graphics
Device ID		0x193A
eDRAM		128 MB
Execution Units		72
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.15 GHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Max video memory		64 GB
Processor graphics		Intel® Iris® Pro Graphics P580
Graphics interfaces
Number of displays supported		3