Intel Xeon E5-2651 v2 vs Intel Xeon E3-1585L v5

Comparative analysis of Intel Xeon E5-2651 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: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E5-2651 v2

Intel Xeon E3-1585L v5

Differences

Reasons to consider the Intel Xeon E5-2651 v2

8 more cores, run more applications at once: 12 vs 4
16 more threads: 24 vs 8

Number of cores	12 vs 4
Number of threads	24 vs 8
Max number of CPUs in a configuration	2 vs 1

Reasons to consider the Intel Xeon E3-1585L v5

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
85.3x more maximum memory size: 64 GB vs 768 GB (per socket)

Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	64 GB vs 768 GB (per socket)

Compare benchmarks

CPU 1: Intel Xeon E5-2651 v2
CPU 2: Intel Xeon E3-1585L v5

Name	Intel Xeon E5-2651 v2	Intel Xeon E3-1585L v5
Geekbench 4 - Single Core	2030
Geekbench 4 - Multi-Core	18071
PassMark - Single thread mark		2188
PassMark - CPU mark		8083

Compare specifications (specs)

	Intel Xeon E5-2651 v2	Intel Xeon E3-1585L v5
Essentials
Architecture codename	Ivy Bridge-EP	Skylake
Family	Intel Xeon E5-2600 v2
Launch date	November 2013	Q2'16
Place in performance rating	289	1020
Processor Number	E5-2651 v2	E3-1585LV5
Vertical segment	Server	Server
Series		Intel® Xeon® Processor E3 v5 Family
Status		Launched
Performance
64 bit support
Base frequency	1800 MHz	3.00 GHz
Bus Speed	5 GT/s DMI	8 GT/s DMI3
L1 cache	768 KB
L2 cache	3 MB
L3 cache	30 MB
Manufacturing process technology	22 nm	14 nm
Number of cores	12	4
Number of threads	24	8
Maximum core temperature		100
Maximum frequency		3.70 GHz
Number of QPI Links		0
Memory
ECC memory support
Max memory channels	4	2
Maximum memory size	768 GB (per socket)	64 GB
Supported memory types	DDR3	DDR3L,LPDDR3 1600MHz, DDR4 2133MHz at 1.2V
Compatibility
Max number of CPUs in a configuration	2	1
Sockets supported	LGA2011	FCBGA1440
Low Halogen Options Available
Thermal Design Power (TDP)		45 Watt
Peripherals
PCI Express revision	3.0	3.0
Max number of PCIe lanes		16
PCIe configurations		1x16,2x8,1x8+2x4
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® OS Guard
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® TSX-NI
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