Intel Atom C3958 vs Intel Xeon E5502

Comparative analysis of Intel Atom C3958 and Intel Xeon E5502 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

Intel Xeon E5502

Differences

Reasons to consider the Intel Atom C3958

14 more cores, run more applications at once: 16 vs 2
14 more threads: 16 vs 2
Around 8% higher clock speed: 2.00 GHz vs 1.86 GHz
Around 32% higher maximum core temperature: 100°C vs 76°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
Around 78% higher maximum memory size: 256 GB vs 144 GB
2.6x lower typical power consumption: 31 Watt vs 80 Watt
2.1x better performance in PassMark - CPU mark: 3929 vs 1853

Specifications (specs)
Number of cores	16 vs 2
Number of threads	16 vs 2
Maximum frequency	2.00 GHz vs 1.86 GHz
Maximum core temperature	100°C vs 76°C
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	256 GB vs 144 GB
Thermal Design Power (TDP)	31 Watt vs 80 Watt
Benchmarks
PassMark - CPU mark	3929 vs 1853

Reasons to consider the Intel Xeon E5502

Around 12% better performance in PassMark - Single thread mark: 825 vs 737

Specifications (specs)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	825 vs 737

Compare benchmarks

CPU 1: Intel Atom C3958
CPU 2: Intel Xeon E5502

PassMark - Single thread mark

CPU 1

CPU 2

737

825

PassMark - CPU mark

CPU 1

CPU 2

3929

1853

Name	Intel Atom C3958	Intel Xeon E5502
PassMark - Single thread mark	737	825
PassMark - CPU mark	3929	1853

Compare specifications (specs)

	Intel Atom C3958	Intel Xeon E5502
Essentials
Architecture codename	Denverton	Nehalem EP
Launch date	Q3'17	March 2009
Place in performance rating	2496	2484
Processor Number	C3958	E5502
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$95
Price now		$95
Value for money (0-100)		4.27
Performance
64 bit support
Base frequency	2.00 GHz	1.86 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	76°C
Maximum frequency	2.00 GHz	1.86 GHz
Number of cores	16	2
Number of QPI Links	0	2
Number of threads	16	2
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		4.8 GT/s QPI
Die size		263 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		4096 KB (shared)
Transistor count		731 million
VID voltage range		0.75V -1.35V
Memory
Max memory channels	2	3
Maximum memory size	256 GB	144 GB
Supported memory types	DDR4: 2400	DDR3 800
ECC memory support
Maximum memory bandwidth		19.2 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	34 mm x 28 mm	42.5mm x 45mm
Sockets supported	FCBGA1310	FCLGA1366
Thermal Design Power (TDP)	31 Watt	80 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
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
Intel 64
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)