Intel Atom Z520PT vs Intel Core 2 Solo ULV SU3500

Comparative analysis of Intel Atom Z520PT and Intel Core 2 Solo ULV SU3500 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory.

Intel Atom Z520PT

Intel Core 2 Solo ULV SU3500

Differences

Reasons to consider the Intel Atom Z520PT

3x lower typical power consumption: 2.2 Watt vs 5.5 Watt

Thermal Design Power (TDP)	2.2 Watt vs 5.5 Watt

Reasons to consider the Intel Core 2 Solo ULV SU3500

Around 5% higher clock speed: 1.4 GHz vs 1.33 GHz
Around 11% higher maximum core temperature: 100°C vs 90°C
6x more L2 cache, more data can be stored in the L2 cache for quick access later

Maximum frequency	1.4 GHz vs 1.33 GHz
Maximum core temperature	100°C vs 90°C
L2 cache	3072 KB vs 512 KB (per core)

Compare specifications (specs)

	Intel Atom Z520PT	Intel Core 2 Solo ULV SU3500
Essentials
Architecture codename	Silverthorne	Penryn
Launch date	March 2009	March 2009
Place in performance rating	not rated	not rated
Processor Number	Z520PT	SU3500
Series	Legacy Intel Atom® Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
Base frequency	1.33 GHz	1.40 GHz
Bus Speed	533 MHz FSB	800 MHz FSB
Die size	26 mm2	107 mm2
L1 cache	64 KB (per core)	64 KB
L2 cache	512 KB (per core)	3072 KB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	90°C	100°C
Maximum frequency	1.33 GHz	1.4 GHz
Number of cores	1	1
Transistor count	47 million	410 million
VID voltage range	0.9V-1.1V	1.050V-1.150V
64 bit support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	22mm x 22mm	22mm x 22mm
Sockets supported	FCBGA437	BGA956
Thermal Design Power (TDP)	2.2 Watt	5.5 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Memory
Supported memory types		DDR1