Intel Atom C3508 vs Intel Xeon W3520

Comparative analysis of Intel Atom C3508 and Intel Xeon W3520 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, 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 - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

Intel Atom C3508

Intel Xeon W3520

Differences

Reasons to consider the Intel Atom C3508

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 45 nm
10.7x more maximum memory size: 256 GB vs 24 GB
10.8x lower typical power consumption: 11.5 Watt vs 130 Watt

Maximum core temperature	100°C vs 67.9°C
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	256 GB vs 24 GB
Thermal Design Power (TDP)	11.5 Watt vs 130 Watt

Reasons to consider the Intel Xeon W3520

4 more threads: 8 vs 4
Around 83% higher clock speed: 2.93 GHz vs 1.60 GHz
Around 99% better performance in PassMark - Single thread mark: 1266 vs 636
Around 63% better performance in PassMark - CPU mark: 2928 vs 1796

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	2.93 GHz vs 1.60 GHz
Benchmarks
PassMark - Single thread mark	1266 vs 636
PassMark - CPU mark	2928 vs 1796

Compare benchmarks

CPU 1: Intel Atom C3508
CPU 2: Intel Xeon W3520

PassMark - Single thread mark

CPU 1

CPU 2

636

1266

PassMark - CPU mark

CPU 1

CPU 2

1796

2928

Name	Intel Atom C3508	Intel Xeon W3520
PassMark - Single thread mark	636	1266
PassMark - CPU mark	1796	2928
Geekbench 4 - Single Core		479
Geekbench 4 - Multi-Core		1908
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.887
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		47.416
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.281
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.1
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.482

Compare specifications (specs)

	Intel Atom C3508	Intel Xeon W3520
Essentials
Architecture codename	Denverton	Bloomfield
Launch date	Q3'17	March 2009
Place in performance rating	2734	2794
Processor Number	C3508	W3520
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$404
Price now		$28.75
Value for money (0-100)		51.83
Performance
64 bit support
Base frequency	1.60 GHz	2.66 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	67.9°C
Maximum frequency	1.60 GHz	2.93 GHz
Number of cores	4	4
Number of QPI Links	0	1
Number of threads	4	8
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		4.8 GT/s QPI
Die size		263 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		731 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: 1866	DDR3 800/1066
ECC memory support
Maximum memory bandwidth		25.6 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 45.0mm
Sockets supported	FCBGA1310	FCLGA1366
Thermal Design Power (TDP)	11.5 Watt	130 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	8
Max number of SATA 6 Gb/s Ports	8
Number of USB ports	8
PCI Express revision	3
PCIe configurations	x2,x4,x8
Total number of SATA ports	8
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)