Intel Xeon E5-2603 v3 vs Intel Atom C3558

Comparative analysis of Intel Xeon E5-2603 v3 and Intel Atom C3558 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 Atom C3558

Differences

Reasons to consider the Intel Xeon E5-2603 v3

2 more cores, run more applications at once: 6 vs 4
2 more threads: 6 vs 4
3x more maximum memory size: 768 GB vs 256 GB
Around 8% better performance in PassMark - Single thread mark: 925 vs 855
2.9x better performance in PassMark - CPU mark: 6937 vs 2426

Specifications (specs)
Number of cores	6 vs 4
Number of threads	6 vs 4
Maximum memory size	768 GB vs 256 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	925 vs 855
PassMark - CPU mark	6937 vs 2426

Reasons to consider the Intel Atom C3558

Around 37% higher maximum core temperature: 100°C vs 72.8°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
5.3x lower typical power consumption: 16 Watt vs 85 Watt

Maximum core temperature	100°C vs 72.8°C
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	16 Watt vs 85 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2603 v3
CPU 2: Intel Atom C3558

PassMark - Single thread mark

CPU 1

CPU 2

925

855

PassMark - CPU mark

CPU 1

CPU 2

6937

2426

Name	Intel Xeon E5-2603 v3	Intel Atom C3558
PassMark - Single thread mark	925	855
PassMark - CPU mark	6937	2426
Geekbench 4 - Single Core	410
Geekbench 4 - Multi-Core	2164

Compare specifications (specs)

	Intel Xeon E5-2603 v3	Intel Atom C3558
Essentials
Architecture codename	Haswell	Denverton
Launch date	Q3'14	Q3'17
Place in performance rating	2439	2409
Processor Number	E5-2603V3	C3558
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Atom™ Processor C Series
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
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	72.8°C	100°C
Number of cores	6	4
Number of QPI Links	2	0
Number of threads	6	4
VID voltage range	0.65V–1.30V
Maximum frequency		2.20 GHz
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	4	2
Maximum memory bandwidth	51 GB/s
Maximum memory size	768 GB	256 GB
Supported memory types	DDR4 1600	DDR4: 2133
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	34 mm x 28 mm
Sockets supported	FCLGA2011-3	FCBGA1310
Thermal Design Power (TDP)	85 Watt	16 Watt
Peripherals
Max number of PCIe lanes	40	12
PCI Express revision	3.0	3
PCIe configurations	x4, x8, x16	x2,x4,x8
Scalability	2S
Integrated LAN
Max number of SATA 6 Gb/s Ports		12
Number of USB ports		8
Total number of SATA ports		12
USB revision		3
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2
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
Integrated Intel® QuickAssist Technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)