Intel Xeon E5-2651 v2 vs Intel Xeon E5-2637 v4

Comparative analysis of Intel Xeon E5-2651 v2 and Intel Xeon E5-2637 v4 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. 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 E5-2637 v4

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
Around 18% better performance in Geekbench 4 - Multi-Core: 18071 vs 15346

Specifications (specs)
Number of cores	12 vs 4
Number of threads	24 vs 8
Benchmarks
Geekbench 4 - Multi-Core	18071 vs 15346

Reasons to consider the Intel Xeon E5-2637 v4

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2048x more maximum memory size: 1.5 TB vs 768 GB (per socket)
2x better performance in Geekbench 4 - Single Core: 4138 vs 2030

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	1.5 TB vs 768 GB (per socket)
Benchmarks
Geekbench 4 - Single Core	4138 vs 2030

Compare benchmarks

CPU 1: Intel Xeon E5-2651 v2
CPU 2: Intel Xeon E5-2637 v4

Geekbench 4 - Single Core

CPU 1

CPU 2

2030

4138

Geekbench 4 - Multi-Core

CPU 1

CPU 2

18071

15346

Name	Intel Xeon E5-2651 v2	Intel Xeon E5-2637 v4
Geekbench 4 - Single Core	2030	4138
Geekbench 4 - Multi-Core	18071	15346
PassMark - Single thread mark		2220
PassMark - CPU mark		14097

Compare specifications (specs)

	Intel Xeon E5-2651 v2	Intel Xeon E5-2637 v4
Essentials
Architecture codename	Ivy Bridge-EP	Broadwell
Family	Intel Xeon E5-2600 v2
Launch date	November 2013	Q1'16
Place in performance rating	327	331
Processor Number	E5-2651 v2	E5-2637V4
Vertical segment	Server	Server
Series		Intel® Xeon® Processor E5 v4 Family
Status		Launched
Performance
64 bit support
Base frequency	1800 MHz	3.50 GHz
Bus Speed	5 GT/s DMI	9.6 GT/s QPI
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		75°C
Maximum frequency		3.70 GHz
Number of QPI Links		2
VID voltage range		0
Memory
ECC memory support
Max memory channels	4	4
Maximum memory size	768 GB (per socket)	1.5 TB
Supported memory types	DDR3	DDR4 1600/1866/2133/2400
Maximum memory bandwidth		76.8 GB/s
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	LGA2011	FCLGA2011-3
Low Halogen Options Available
Package Size		45mm x 52.5mm
Thermal Design Power (TDP)		135 Watt
Peripherals
PCI Express revision	3.0	3.0
Max number of PCIe lanes		40
PCIe configurations		x4, x8, x16
Scalability		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
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® AVX2
Intel 64
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		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)