Intel Celeron U3405 vs Intel Atom E660

Comparative analysis of Intel Celeron U3405 and Intel Atom E660 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Celeron U3405

Intel Atom E660

Differences

Reasons to consider the Intel Celeron U3405

1 more cores, run more applications at once: 2 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
4x more maximum memory size: 8 GB vs 2 GB
2.5x better performance in PassMark - CPU mark: 684 vs 271

Specifications (specs)
Number of cores	2 vs 1
Manufacturing process technology	32 nm vs 45 nm
Maximum memory size	8 GB vs 2 GB
Benchmarks
PassMark - CPU mark	684 vs 271

Reasons to consider the Intel Atom E660

4.5x lower typical power consumption: 3.6 Watt vs 18 Watt

Thermal Design Power (TDP)	3.6 Watt vs 18 Watt

Compare benchmarks

CPU 1: Intel Celeron U3405
CPU 2: Intel Atom E660

PassMark - CPU mark

CPU 1

CPU 2

684

271

Name	Intel Celeron U3405	Intel Atom E660
PassMark - Single thread mark	0	0
PassMark - CPU mark	684	271

Compare specifications (specs)

	Intel Celeron U3405	Intel Atom E660
Essentials
Architecture codename	Arrandale	Tunnel Creek
Launch date	Q1'10	September 2010
Place in performance rating	3325	3334
Processor Number	U3405	E660
Series	Legacy Intel® Celeron® Processor	Legacy Intel Atom® Processors
Status	Launched	Launched
Vertical segment	Mobile	Embedded
Launch price (MSRP)		$54
Price now		$54
Value for money (0-100)		1.48
Performance
64 bit support
Base frequency	1.06 GHz	1.30 GHz
Bus Speed	2.5 GT/s DMI	2500 MHz PCIE
Die size	81 mm2	26 mm
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	90°C	90°C
Number of cores	2	1
Number of threads	2	2
Transistor count	382 million	47 million
L1 cache		64 KB (per core)
L2 cache		512 KB (per core)
Maximum frequency		1.3 GHz
VID voltage range		VCC (0.75 - 0.9V), VNN (0.75 - 1.1V)
Memory
Max memory channels	2	1
Maximum memory bandwidth	17.1 GB/s
Maximum memory size	8 GB	2 GB
Supported memory types	DDR3 800/1066	DDR2 800
Graphics
Graphics base frequency	166 MHz	400 MHz
Graphics max dynamic frequency	500 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics	Integrated
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	BGA 34mmX28mm	22mmx22mm
Sockets supported	BGA1288	FCBGA676
Thermal Design Power (TDP)	18 Watt	3.6 Watt
Peripherals
Max number of PCIe lanes	16	4
PCI Express revision	2.0	1.0a
PCIe configurations	1x16, 2x8	x1, root complex only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
FSB parity
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)