Intel Atom C3955 vs Intel Atom C2758

Comparative analysis of Intel Atom C3955 and Intel Atom C2758 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.

Intel Atom C3955

Intel Atom C2758

Differences

Reasons to consider the Intel Atom C3955

8 more cores, run more applications at once: 16 vs 8
8 more threads: 16 vs 8
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

Number of cores	16 vs 8
Number of threads	16 vs 8
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	256 GB vs 64 GB

Reasons to consider the Intel Atom C2758

Around 60% lower typical power consumption: 20 Watt vs 32 Watt

Thermal Design Power (TDP)	20 Watt vs 32 Watt

Compare benchmarks

CPU 1: Intel Atom C3955
CPU 2: Intel Atom C2758

Name	Intel Atom C3955	Intel Atom C2758
PassMark - Single thread mark		571
PassMark - CPU mark		2317

Compare specifications (specs)

	Intel Atom C3955	Intel Atom C2758
Essentials
Architecture codename	Denverton	Rangeley
Launch date	Q3'17	Q3'13
Place in performance rating	not rated	2818
Processor Number	C3955	C2758
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	2.40 GHz
Number of cores	16	8
Number of QPI Links	0
Number of threads	16	8
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: 2400	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)	32 Watt	20 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	16	16
Max number of SATA 6 Gb/s Ports	16	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	16	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)