Intel Xeon X3450 vs Intel Atom S1260

Comparative analysis of Intel Xeon X3450 and Intel Atom S1260 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon X3450

Intel Atom S1260

Differences

Reasons to consider the Intel Xeon X3450

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 60% higher clock speed: 3.20 GHz vs 2 GHz
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more maximum memory size: 32 GB vs 8 GB

Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.20 GHz vs 2 GHz
L1 cache	256 KB vs 56 KB (per core)
Maximum memory size	32 GB vs 8 GB

Reasons to consider the Intel Atom S1260

CPU is newer: launch date 3 year(s) 2 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
10.6x lower typical power consumption: 8.5 Watt vs 95 Watt

Launch date	December 2012 vs 8 Sep 2009
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	8.5 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Xeon X3450
CPU 2: Intel Atom S1260

Name	Intel Xeon X3450	Intel Atom S1260
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.157
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	58.957
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.373
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.72
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.984
PassMark - Single thread mark		313
PassMark - CPU mark		526

Compare specifications (specs)

	Intel Xeon X3450	Intel Atom S1260
Essentials
Architecture codename	Lynnfield	Centerton
Launch date	8 Sep 2009	December 2012
Launch price (MSRP)	$261	$64
Place in performance rating	3006	3130
Processor Number	X3450	S1260
Series	Legacy Intel Xeon Processors	Intel® Atom™ Processor S Series
Vertical segment	Server	Server
Price now		$64
Status		Discontinued
Value for money (0-100)		4.22
Performance
64 bit support
Base frequency	2.66 GHz	2.00 GHz
Bus Speed	2.5 GT/s
Die size	296 mm2
L1 cache	256 KB	56 KB (per core)
L2 cache	1 MB	512 KB (per core)
L3 cache	8 MB
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	72.7°C
Maximum frequency	3.20 GHz	2 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	774 million
VID voltage range	0.6500V-1.4000V
Memory
Max memory channels	2	1
Maximum memory bandwidth	21 GB/s	10.6 GB/s
Maximum memory size	32 GB	8 GB
Supported memory types	DDR3 800/1066/1333	DDR3 1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA1156	FCBGA1283
Thermal Design Power (TDP)	95 Watt	8.5 Watt
Peripherals
Max number of PCIe lanes	16	8
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8, 4x4
PCI support
UART
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
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)