Intel Atom C2550 vs Intel Xeon W3520

Comparative analysis of Intel Atom C2550 and Intel Xeon W3520 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. 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 C2550

Intel Xeon W3520

Differences

Reasons to consider the Intel Atom C2550

Around 41% higher maximum core temperature: 96°C vs 67.9°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
2.7x more maximum memory size: 64 GB vs 24 GB
9.3x lower typical power consumption: 14 Watt vs 130 Watt

Maximum core temperature	96°C vs 67.9°C
Manufacturing process technology	22 nm vs 45 nm
Maximum memory size	64 GB vs 24 GB
Thermal Design Power (TDP)	14 Watt vs 130 Watt

Reasons to consider the Intel Xeon W3520

4 more threads: 8 vs 4
Around 13% higher clock speed: 2.93 GHz vs 2.60 GHz
2.3x better performance in PassMark - Single thread mark: 1267 vs 554
2.1x better performance in PassMark - CPU mark: 2937 vs 1422

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	2.93 GHz vs 2.60 GHz
Benchmarks
PassMark - Single thread mark	1267 vs 554
PassMark - CPU mark	2937 vs 1422

Compare benchmarks

CPU 1: Intel Atom C2550
CPU 2: Intel Xeon W3520

PassMark - Single thread mark

CPU 1

CPU 2

554

1267

PassMark - CPU mark

CPU 1

CPU 2

1422

2937

Name	Intel Atom C2550	Intel Xeon W3520
PassMark - Single thread mark	554	1267
PassMark - CPU mark	1422	2937
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 C2550	Intel Xeon W3520
Essentials
Architecture codename	Avoton	Bloomfield
Launch date	Q3'13	March 2009
Place in performance rating	2864	2803
Processor Number	C2550	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	2.40 GHz	2.66 GHz
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	96°C	67.9°C
Maximum frequency	2.60 GHz	2.93 GHz
Number of cores	4	4
Number of threads	4	8
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)
Number of QPI Links		1
Transistor count		731 million
VID voltage range		0.800V-1.375V
Memory
Max memory channels	2	3
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	64 GB	24 GB
Supported memory types	DDR3/DDR3L 1600	DDR3 800/1066
ECC memory support
Compatibility
Low Halogen Options Available
Package Size	34 mm x 28 mm	42.5mm x 45.0mm
Sockets supported	FCBGA1283	FCLGA1366
Thermal Design Power (TDP)	14 Watt	130 Watt
Max number of CPUs in a configuration		1
Peripherals
Integrated LAN
Max number of PCIe lanes	16
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	4
PCI Express revision	2
PCIe configurations	x1,x2,x4,x8,x16
Total number of SATA ports	6
UART
USB revision	2
Advanced Technologies
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	36-bit	36-bit
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2
Intel 64
Intel® Demand Based Switching
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)