Intel Atom C3538 vs Intel Xeon 5140

Comparative analysis of Intel Atom C3538 and Intel Xeon 5140 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 5140

Differences

Reasons to consider the Intel Atom C3538

2 more cores, run more applications at once: 4 vs 2
Around 54% higher maximum core temperature: 100°C vs 65°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 65 nm
4.3x lower typical power consumption: 15 Watt vs 65 Watt
Around 6% better performance in PassMark - CPU mark: 1889 vs 1780
Around 56% better performance in Geekbench 4 - Multi-Core: 3460 vs 2221

Specifications (specs)
Number of cores	4 vs 2
Maximum core temperature	100°C vs 65°C
Manufacturing process technology	14 nm vs 65 nm
Thermal Design Power (TDP)	15 Watt vs 65 Watt
Benchmarks
PassMark - CPU mark	1889 vs 1780
Geekbench 4 - Multi-Core	3460 vs 2221

Reasons to consider the Intel Xeon 5140

Around 11% higher clock speed: 2.33 GHz vs 2.10 GHz
Around 24% better performance in PassMark - Single thread mark: 921 vs 744
Around 4% better performance in Geekbench 4 - Single Core: 1343 vs 1287

Specifications (specs)
Maximum frequency	2.33 GHz vs 2.10 GHz
Benchmarks
PassMark - Single thread mark	921 vs 744
Geekbench 4 - Single Core	1343 vs 1287

Compare benchmarks

CPU 1: Intel Atom C3538
CPU 2: Intel Xeon 5140

PassMark - Single thread mark

CPU 1

CPU 2

744

921

PassMark - CPU mark

CPU 1

CPU 2

1889

1780

Geekbench 4 - Single Core

CPU 1

CPU 2

1287

1343

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3460

2221

Name	Intel Atom C3538	Intel Xeon 5140
PassMark - Single thread mark	744	921
PassMark - CPU mark	1889	1780
Geekbench 4 - Single Core	1287	1343
Geekbench 4 - Multi-Core	3460	2221

Compare specifications (specs)

	Intel Atom C3538	Intel Xeon 5140
Essentials
Architecture codename	Denverton	Woodcrest
Launch date	Q3'17	June 2006
Place in performance rating	2087	2069
Processor Number	C3538	5140
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$15
Price now		$32.42
Value for money (0-100)		14.89
Performance
64 bit support
Base frequency	2.10 GHz	2.33 GHz
Manufacturing process technology	14 nm	65 nm
Maximum core temperature	100°C	65°C
Maximum frequency	2.10 GHz	2.33 GHz
Number of cores	4	2
Number of QPI Links	0
Number of threads	4
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		1333 MHz FSB
Die size		143 mm2
L2 cache		4096 KB
Transistor count		291 million
VID voltage range		B2=1.0V-1.5V, G0=.85V-1.5V
Memory
Max memory channels	2
Maximum memory size	256 GB
Supported memory types	DDR4: 2133	DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	34 mm x 28 mm	37.5mm x 37.5mm
Sockets supported	FCBGA1310	LGA771
Thermal Design Power (TDP)	15 Watt	65 Watt
Scenario Design Power (SDP)		0 W
Peripherals
Integrated LAN
Max number of PCIe lanes	12
Max number of SATA 6 Gb/s Ports	12
Number of USB ports	8
PCI Express revision	3
PCIe configurations	x2,x4,x8
Total number of SATA ports	12
USB revision	3
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
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
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
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)