Intel Xeon E5-2603 v3 vs Intel Xeon E5-1428L v2

Comparative analysis of Intel Xeon E5-2603 v3 and Intel Xeon E5-1428L 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 E5-2603 v3

Intel Xeon E5-1428L v2

Differences

Reasons to consider the Intel Xeon E5-2603 v3

2x more maximum memory size: 768 GB vs 384 GB
Around 8% better performance in PassMark - CPU mark: 6758 vs 6255

Specifications (specs)
Maximum memory size	768 GB vs 384 GB
Benchmarks
PassMark - CPU mark	6758 vs 6255

Reasons to consider the Intel Xeon E5-1428L v2

6 more threads: 12 vs 6
Around 10% higher maximum core temperature: 80°C vs 72.8°C
Around 42% lower typical power consumption: 60 Watt vs 85 Watt
Around 21% better performance in PassMark - Single thread mark: 1096 vs 905

Specifications (specs)
Number of threads	12 vs 6
Maximum core temperature	80°C vs 72.8°C
Thermal Design Power (TDP)	60 Watt vs 85 Watt
Benchmarks
PassMark - Single thread mark	1096 vs 905

Compare benchmarks

CPU 1: Intel Xeon E5-2603 v3
CPU 2: Intel Xeon E5-1428L v2

PassMark - Single thread mark

CPU 1

CPU 2

905

1096

PassMark - CPU mark

CPU 1

CPU 2

6758

6255

Name	Intel Xeon E5-2603 v3	Intel Xeon E5-1428L v2
PassMark - Single thread mark	905	1096
PassMark - CPU mark	6758	6255
Geekbench 4 - Single Core	410
Geekbench 4 - Multi-Core	2164

Compare specifications (specs)

	Intel Xeon E5-2603 v3	Intel Xeon E5-1428L v2
Essentials
Architecture codename	Haswell	Ivy Bridge EN
Launch date	Q3'14	Q1'14
Place in performance rating	2471	2000
Processor Number	E5-2603V3	E5-1428LV2
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 v2 Family
Status	Launched	Launched
Vertical segment	Server	Embedded
Performance
64 bit support
Base frequency	1.60 GHz	2.20 GHz
Bus Speed	6.4 GT/s QPI	0 GT/s
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	72.8°C	80°C
Number of cores	6	6
Number of QPI Links	2
Number of threads	6	12
VID voltage range	0.65V–1.30V	0.65-1.30V
Maximum frequency		2.70 GHz
Memory
Max memory channels	4	3
Maximum memory bandwidth	51 GB/s	38.4 GB/s
Maximum memory size	768 GB	384 GB
Supported memory types	DDR4 1600	DDR3 800/1066/1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2
Package Size	52.5mm x 45mm	45mm x 42.5mm
Sockets supported	FCLGA2011-3	FCLGA1356
Thermal Design Power (TDP)	85 Watt	60 Watt
Peripherals
Max number of PCIe lanes	40	24
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	2S	1S 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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)