Intel Atom C3958 vs Intel Xeon W3680

Comparative analysis of Intel Atom C3958 and Intel Xeon W3680 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, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Atom C3958

Intel Xeon W3680

Differences

Reasons to consider the Intel Atom C3958

10 more cores, run more applications at once: 16 vs 6
4 more threads: 16 vs 12
Around 47% higher maximum core temperature: 100°C vs 67.9°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
10.7x more maximum memory size: 256 GB vs 24 GB
4.2x lower typical power consumption: 31 Watt vs 130 Watt

Number of cores	16 vs 6
Number of threads	16 vs 12
Maximum core temperature	100°C vs 67.9°C
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	256 GB vs 24 GB
Thermal Design Power (TDP)	31 Watt vs 130 Watt

Reasons to consider the Intel Xeon W3680

Around 80% higher clock speed: 3.60 GHz vs 2.00 GHz
2.1x better performance in PassMark - Single thread mark: 1572 vs 737
Around 78% better performance in PassMark - CPU mark: 7003 vs 3929

Specifications (specs)
Maximum frequency	3.60 GHz vs 2.00 GHz
Benchmarks
PassMark - Single thread mark	1572 vs 737
PassMark - CPU mark	7003 vs 3929

Compare benchmarks

CPU 1: Intel Atom C3958
CPU 2: Intel Xeon W3680

PassMark - Single thread mark

CPU 1

CPU 2

737

1572

PassMark - CPU mark

CPU 1

CPU 2

3929

7003

Name	Intel Atom C3958	Intel Xeon W3680
PassMark - Single thread mark	737	1572
PassMark - CPU mark	3929	7003
Geekbench 4 - Single Core		649
Geekbench 4 - Multi-Core		3566
3DMark Fire Strike - Physics Score		0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.662
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		48.725
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.51
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.657
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		7.601

Compare specifications (specs)

	Intel Atom C3958	Intel Xeon W3680
Essentials
Architecture codename	Denverton	Westmere EP
Launch date	Q3'17	March 2010
Place in performance rating	2510	2536
Processor Number	C3958	W3680
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$350
Price now		$759.95
Value for money (0-100)		3.52
Performance
64 bit support
Base frequency	2.00 GHz	3.33 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	100°C	67.9°C
Maximum frequency	2.00 GHz	3.60 GHz
Number of cores	16	6
Number of QPI Links	0	1
Number of threads	16	12
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		6.4 GT/s QPI
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		12288 KB (shared)
Transistor count		1170 million
VID voltage range		0.800V-1.375V
Memory
Max memory channels	2	3
Maximum memory size	256 GB	24 GB
Supported memory types	DDR4: 2400	DDR3 800/1066/1333
ECC memory support
Maximum memory bandwidth		32 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	34 mm x 28 mm	42.5mm X 45mm
Sockets supported	FCBGA1310	FCLGA1366
Thermal Design Power (TDP)	31 Watt	130 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
Instruction set extensions		Intel® SSE4.2
Intel 64
Intel® Demand Based Switching
Physical Address Extensions (PAE)		36-bit
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)