Intel Xeon E5-2603 v3 vs Intel Xeon E5-4603 v2

Comparative analysis of Intel Xeon E5-2603 v3 and Intel Xeon E5-4603 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 E5-4603 v2

Differences

Reasons to consider the Intel Xeon E5-2603 v3

2 more cores, run more applications at once: 6 vs 4
Around 12% lower typical power consumption: 85 Watt vs 95 Watt

Number of cores	6 vs 4
Thermal Design Power (TDP)	85 Watt vs 95 Watt

Reasons to consider the Intel Xeon E5-4603 v2

2 more threads: 8 vs 6
Around 6% higher maximum core temperature: 77°C vs 72.8°C

Number of threads	8 vs 6
Maximum core temperature	77°C vs 72.8°C
Max number of CPUs in a configuration	4 vs 2

Compare benchmarks

CPU 1: Intel Xeon E5-2603 v3
CPU 2: Intel Xeon E5-4603 v2

Name	Intel Xeon E5-2603 v3	Intel Xeon E5-4603 v2
PassMark - Single thread mark	905
PassMark - CPU mark	6758
Geekbench 4 - Single Core	410
Geekbench 4 - Multi-Core	2164

Compare specifications (specs)

	Intel Xeon E5-2603 v3	Intel Xeon E5-4603 v2
Essentials
Architecture codename	Haswell	Ivy Bridge EP
Launch date	Q3'14	Q1'14
Place in performance rating	2471	not rated
Processor Number	E5-2603V3	E5-4603V2
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 v2 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.60 GHz	2.20 GHz
Bus Speed	6.4 GT/s QPI	6.4 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	72.8°C	77°C
Number of cores	6	4
Number of QPI Links	2	2
Number of threads	6	8
VID voltage range	0.65V–1.30V	0.65-1.30V
Maximum frequency		2.20 GHz
Memory
Max memory channels	4	4
Maximum memory bandwidth	51 GB/s	42.6 GB/s
Maximum memory size	768 GB	768 GB
Supported memory types	DDR4 1600	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	4
Package Size	52.5mm x 45mm	52.5 mm x 45 mm
Sockets supported	FCLGA2011-3	FCLGA2011
Thermal Design Power (TDP)	85 Watt	95 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	4S 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)