Intel Atom C3958 vs AMD Opteron 254

Comparative analysis of Intel Atom C3958 and AMD Opteron 254 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 C3958

AMD Opteron 254

Differences

Reasons to consider the Intel Atom C3958

15 more cores, run more applications at once: 16 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 90 nm
3x lower typical power consumption: 31 Watt vs 92 Watt
9.5x better performance in PassMark - CPU mark: 4281 vs 451

Specifications (specs)
Number of cores	16 vs 1
Manufacturing process technology	14 nm vs 90 nm
Thermal Design Power (TDP)	31 Watt vs 92 Watt
Benchmarks
PassMark - CPU mark	4281 vs 451

Reasons to consider the AMD Opteron 254

Around 40% higher clock speed: 2.8 GHz vs 2.00 GHz
Around 12% better performance in PassMark - Single thread mark: 578 vs 514

Specifications (specs)
Maximum frequency	2.8 GHz vs 2.00 GHz
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	578 vs 514

Compare benchmarks

CPU 1: Intel Atom C3958
CPU 2: AMD Opteron 254

PassMark - Single thread mark

CPU 1

CPU 2

514

578

PassMark - CPU mark

CPU 1

CPU 2

4281

451

Name	Intel Atom C3958	AMD Opteron 254
PassMark - Single thread mark	514	578
PassMark - CPU mark	4281	451

Compare specifications (specs)

	Intel Atom C3958	AMD Opteron 254
Essentials
Architecture codename	Denverton	Troy
Launch date	Q3'17	August 2005
Place in performance rating	2701	2785
Processor Number	C3958
Series	Intel® Atom™ Processor C Series
Status	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz
Manufacturing process technology	14 nm	90 nm
Maximum core temperature	100°C
Maximum frequency	2.00 GHz	2.8 GHz
Number of cores	16	1
Number of QPI Links	0
Number of threads	16
Number of Ultra Path Interconnect (UPI) Links	0
L1 cache		128 KB
L2 cache		1024 KB
Transistor count		106 million
Memory
Max memory channels	2
Maximum memory size	256 GB
Supported memory types	DDR4: 2400
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	34 mm x 28 mm
Sockets supported	FCBGA1310	940
Thermal Design Power (TDP)	31 Watt	92 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	16
Max number of SATA 6 Gb/s Ports	16
Number of USB ports	8
PCI Express revision	3
PCIe configurations	x2,x4,x8
Total number of SATA ports	16
USB revision	3
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)