Intel Xeon E5-2637 v3 vs Intel Xeon E5-2603 v2

Comparative analysis of Intel Xeon E5-2637 v3 and Intel Xeon E5-2603 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 v3

Intel Xeon E5-2603 v2

Differences

Reasons to consider the Intel Xeon E5-2637 v3

4 more threads: 8 vs 4
Around 106% higher clock speed: 3.70 GHz vs 1.8 GHz
Around 8% higher maximum core temperature: 76.6°C vs 71°C
2.1x better performance in PassMark - Single thread mark: 2047 vs 991
2.6x better performance in PassMark - CPU mark: 13176 vs 5017

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.70 GHz vs 1.8 GHz
Maximum core temperature	76.6°C vs 71°C
Benchmarks
PassMark - Single thread mark	2047 vs 991
PassMark - CPU mark	13176 vs 5017

Reasons to consider the Intel Xeon E5-2603 v2

Around 69% lower typical power consumption: 80 Watt vs 135 Watt
2.5x better performance in Geekbench 4 - Single Core: 1865 vs 740
Around 68% better performance in Geekbench 4 - Multi-Core: 5459 vs 3248

Specifications (specs)
Thermal Design Power (TDP)	80 Watt vs 135 Watt
Benchmarks
Geekbench 4 - Single Core	1865 vs 740
Geekbench 4 - Multi-Core	5459 vs 3248

Compare benchmarks

CPU 1: Intel Xeon E5-2637 v3
CPU 2: Intel Xeon E5-2603 v2

PassMark - Single thread mark

CPU 1

CPU 2

2047

991

PassMark - CPU mark

CPU 1

CPU 2

13176

5017

Geekbench 4 - Single Core

CPU 1

CPU 2

740

1865

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3248

5459

Name	Intel Xeon E5-2637 v3	Intel Xeon E5-2603 v2
PassMark - Single thread mark	2047	991
PassMark - CPU mark	13176	5017
Geekbench 4 - Single Core	740	1865
Geekbench 4 - Multi-Core	3248	5459

Compare specifications (specs)

	Intel Xeon E5-2637 v3	Intel Xeon E5-2603 v2
Essentials
Architecture codename	Haswell	Ivy Bridge EP
Launch date	Q3'14	September 2013
Place in performance rating	1521	1519
Processor Number	E5-2637V3	E5-2603V2
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 v2 Family
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$240
Price now		$39.09
Value for money (0-100)		28.38
Performance
64 bit support
Base frequency	3.50 GHz	1.80 GHz
Bus Speed	9.6 GT/s QPI	6.4 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	76.6°C	71°C
Maximum frequency	3.70 GHz	1.8 GHz
Number of cores	4	4
Number of QPI Links	2	2
Number of threads	8	4
VID voltage range	0.65V–1.30V	0.65–1.30V
Die size		160 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		10240 KB (shared)
Transistor count		1400 million
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	42.6 GB/s
Maximum memory size	768 GB	768 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 800/1066/1333
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 45mm
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	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)