Intel Xeon E5-2637 v4 vs Intel Xeon E5-2643 v2

Comparative analysis of Intel Xeon E5-2637 v4 and Intel Xeon E5-2643 v2 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 E5-2637 v4

Intel Xeon E5-2643 v2

Differences

Reasons to consider the Intel Xeon E5-2637 v4

Around 1% higher maximum core temperature: 75°C vs 74°C
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 11% better performance in PassMark - Single thread mark: 2191 vs 1976
Around 14% better performance in Geekbench 4 - Single Core: 4138 vs 3641

Specifications (specs)
Maximum core temperature	75°C vs 74°C
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	1.5 TB vs 768 GB
Benchmarks
PassMark - Single thread mark	2191 vs 1976
Geekbench 4 - Single Core	4138 vs 3641

Reasons to consider the Intel Xeon E5-2643 v2

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 3% higher clock speed: 3.80 GHz vs 3.70 GHz
Around 4% lower typical power consumption: 130 Watt vs 135 Watt
Around 23% better performance in PassMark - CPU mark: 17142 vs 13932
Around 22% better performance in Geekbench 4 - Multi-Core: 18673 vs 15346

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	3.80 GHz vs 3.70 GHz
Thermal Design Power (TDP)	130 Watt vs 135 Watt
Benchmarks
PassMark - CPU mark	17142 vs 13932
Geekbench 4 - Multi-Core	18673 vs 15346

Compare benchmarks

CPU 1: Intel Xeon E5-2637 v4
CPU 2: Intel Xeon E5-2643 v2

PassMark - Single thread mark

CPU 1

CPU 2

2191

1976

PassMark - CPU mark

CPU 1

CPU 2

13932

17142

Geekbench 4 - Single Core

CPU 1

CPU 2

4138

3641

Geekbench 4 - Multi-Core

CPU 1

CPU 2

15346

18673

Name	Intel Xeon E5-2637 v4	Intel Xeon E5-2643 v2
PassMark - Single thread mark	2191	1976
PassMark - CPU mark	13932	17142
Geekbench 4 - Single Core	4138	3641
Geekbench 4 - Multi-Core	15346	18673

Compare specifications (specs)

	Intel Xeon E5-2637 v4	Intel Xeon E5-2643 v2
Essentials
Architecture codename	Broadwell	Ivy Bridge EP
Launch date	Q1'16	September 2013
Place in performance rating	290	301
Processor Number	E5-2637V4	E5-2643V2
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E5 v2 Family
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$2,200
Price now		$2,641.75
Value for money (0-100)		1.43
Performance
64 bit support
Base frequency	3.50 GHz	3.50 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s QPI
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	75°C	74°C
Maximum frequency	3.70 GHz	3.80 GHz
Number of cores	4	6
Number of QPI Links	2	2
Number of threads	8	12
VID voltage range	0	0.65–1.30V
Die size		160 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		15360 KB (shared)
Transistor count		1400 million
Memory
Max memory channels	4	4
Maximum memory bandwidth	76.8 GB/s	59.7 GB/s
Maximum memory size	1.5 TB	768 GB
Supported memory types	DDR4 1600/1866/2133/2400	DDR3 800/1066/1333/1600/1866
ECC memory support
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
Thermal Design Power (TDP)	135 Watt	130 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 Only
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® AVX
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
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)