Intel Atom C3538 vs Intel Xeon E5-4603

Comparative analysis of Intel Atom C3538 and Intel Xeon E5-4603 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 Atom C3538

Intel Xeon E5-4603

Differences

Reasons to consider the Intel Atom C3538

Around 5% higher clock speed: 2.10 GHz vs 2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
6.3x lower typical power consumption: 15 Watt vs 95 Watt

Maximum frequency	2.10 GHz vs 2 GHz
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	15 Watt vs 95 Watt

Reasons to consider the Intel Xeon E5-4603

4 more threads: 8 vs 4
Around 50% higher maximum memory size: 384 GB vs 256 GB
Around 34% better performance in PassMark - Single thread mark: 995 vs 744
3.5x better performance in PassMark - CPU mark: 6690 vs 1889

Specifications (specs)
Number of threads	8 vs 4
Maximum memory size	384 GB vs 256 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - Single thread mark	995 vs 744
PassMark - CPU mark	6690 vs 1889

Compare benchmarks

CPU 1: Intel Atom C3538
CPU 2: Intel Xeon E5-4603

PassMark - Single thread mark

CPU 1

CPU 2

744

995

PassMark - CPU mark

CPU 1

CPU 2

1889

6690

Name	Intel Atom C3538	Intel Xeon E5-4603
PassMark - Single thread mark	744	995
PassMark - CPU mark	1889	6690
Geekbench 4 - Single Core	1287
Geekbench 4 - Multi-Core	3460

Compare specifications (specs)

	Intel Atom C3538	Intel Xeon E5-4603
Essentials
Architecture codename	Denverton	Sandy Bridge EP
Launch date	Q3'17	May 2012
Place in performance rating	2087	2107
Processor Number	C3538	E5-4603
Series	Intel® Atom™ Processor C Series	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$712
Price now		$1,890.99
Value for money (0-100)		0.78
Performance
64 bit support
Base frequency	2.10 GHz	2.00 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	100°C
Maximum frequency	2.10 GHz	2 GHz
Number of cores	4	4
Number of QPI Links	0	2
Number of threads	4	8
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		6.4 GT/s QPI
Die size		294 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		10240 KB (shared)
Transistor count		1270 million
VID voltage range		0.6V-1.35V
Memory
Max memory channels	2	4
Maximum memory size	256 GB	384 GB
Supported memory types	DDR4: 2133	DDR3 800/1066
ECC memory support
Maximum memory bandwidth		34.1 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	4
Package Size	34 mm x 28 mm	52.5mm x 45.0mm
Sockets supported	FCBGA1310	FCLGA2011
Thermal Design Power (TDP)	15 Watt	95 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	12	40
Max number of SATA 6 Gb/s Ports	12
Number of USB ports	8
PCI Express revision	3	3.0
PCIe configurations	x2,x4,x8
Total number of SATA ports	12
USB revision	3
Scalability		4S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Integrated Intel® QuickAssist Technology
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
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)