Intel Xeon E5-2667 v3 vs Intel Xeon E5-2637

Comparative analysis of Intel Xeon E5-2667 v3 and Intel Xeon E5-2637 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 E5-2667 v3

Intel Xeon E5-2637

Differences

Reasons to consider the Intel Xeon E5-2667 v3

6 more cores, run more applications at once: 8 vs 2
12 more threads: 16 vs 4
Around 3% higher clock speed: 3.60 GHz vs 3.50 GHz
Around 11% higher maximum core temperature: 77.8°C vs 70.0°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more maximum memory size: 768 GB vs 384 GB
Around 19% better performance in PassMark - Single thread mark: 1960 vs 1654
3.6x better performance in PassMark - CPU mark: 20907 vs 5775

Specifications (specs)
Number of cores	8 vs 2
Number of threads	16 vs 4
Maximum frequency	3.60 GHz vs 3.50 GHz
Maximum core temperature	77.8°C vs 70.0°C
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	768 GB vs 384 GB
Benchmarks
PassMark - Single thread mark	1960 vs 1654
PassMark - CPU mark	20907 vs 5775

Reasons to consider the Intel Xeon E5-2637

Around 69% lower typical power consumption: 80 Watt vs 135 Watt

Thermal Design Power (TDP)	80 Watt vs 135 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2667 v3
CPU 2: Intel Xeon E5-2637

PassMark - Single thread mark

CPU 1

CPU 2

1960

1654

PassMark - CPU mark

CPU 1

CPU 2

20907

5775

Name	Intel Xeon E5-2667 v3	Intel Xeon E5-2637
PassMark - Single thread mark	1960	1654
PassMark - CPU mark	20907	5775
Geekbench 4 - Single Core	720
Geekbench 4 - Multi-Core	3222

Compare specifications (specs)

	Intel Xeon E5-2667 v3	Intel Xeon E5-2637
Essentials
Architecture codename	Haswell	Sandy Bridge EP
Launch date	Q3'14	March 2012
Place in performance rating	1394	1402
Processor Number	E5-2667V3	E5-2637
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.20 GHz	3.00 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	77.8°C	70.0°C
Maximum frequency	3.60 GHz	3.50 GHz
Number of cores	8	2
Number of QPI Links	2	2
Number of threads	16	4
VID voltage range	0.65V–1.30V	0.6V - 1.35V
Die size		294 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		5120 KB (shared)
Transistor count		1270 million
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	51.2 GB/s
Maximum memory size	768 GB	384 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 800/1066/1333/1600
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011-3	FCLGA2011
Thermal Design Power (TDP)	135 Watt	80 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	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
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)