Intel Atom C3538 vs Intel Atom C2538

Comparative analysis of Intel Atom C3538 and Intel Atom C2538 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 Atom C2538

Differences

Reasons to consider the Intel Atom C3538

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
4x more maximum memory size: 256 GB vs 64 GB
Around 38% better performance in PassMark - Single thread mark: 744 vs 538
2.2x better performance in PassMark - CPU mark: 1889 vs 874
Around 27% better performance in Geekbench 4 - Single Core: 1287 vs 1014
Around 36% better performance in Geekbench 4 - Multi-Core: 3460 vs 2546

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	256 GB vs 64 GB
Benchmarks
PassMark - Single thread mark	744 vs 538
PassMark - CPU mark	1889 vs 874
Geekbench 4 - Single Core	1287 vs 1014
Geekbench 4 - Multi-Core	3460 vs 2546

Compare benchmarks

CPU 1: Intel Atom C3538
CPU 2: Intel Atom C2538

PassMark - Single thread mark

CPU 1

CPU 2

744

538

PassMark - CPU mark

CPU 1

CPU 2

1889

874

Geekbench 4 - Single Core

CPU 1

CPU 2

1287

1014

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3460

2546

Name	Intel Atom C3538	Intel Atom C2538
PassMark - Single thread mark	744	538
PassMark - CPU mark	1889	874
Geekbench 4 - Single Core	1287	1014
Geekbench 4 - Multi-Core	3460	2546

Compare specifications (specs)

	Intel Atom C3538	Intel Atom C2538
Essentials
Architecture codename	Denverton	Rangeley
Launch date	Q3'17	Q3'13
Place in performance rating	2092	2440
Processor Number	C3538	C2538
Series	Intel® Atom™ Processor C Series	Intel® Atom™ Processor C Series
Status	Launched	Launched
Vertical segment	Server	Embedded
Performance
64 bit support
Base frequency	2.10 GHz	2.40 GHz
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	100°C
Maximum frequency	2.10 GHz
Number of cores	4	4
Number of QPI Links	0
Number of threads	4	4
Number of Ultra Path Interconnect (UPI) Links	0
Memory
Max memory channels	2	2
Maximum memory size	256 GB	64 GB
Supported memory types	DDR4: 2133	DDR3/DDR3L 1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	34 mm x 28 mm	34 mm x 28 mm
Sockets supported	FCBGA1310	FCBGA1283
Thermal Design Power (TDP)	15 Watt	15 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	12	16
Max number of SATA 6 Gb/s Ports	12	2
Number of USB ports	8	4
PCI Express revision	3	2
PCIe configurations	x2,x4,x8	x1,x2,x4,x8,x16
Total number of SATA ports	12	6
USB revision	3	2
UART
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Integrated Intel® QuickAssist Technology
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel 64
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)