Pentium 4-M 2.20 vs Atom Z515

Primary details

Comparing Atom Z515 and Pentium 4-M 2.20 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	no data
Architecture codename	Silverthorne (2008−2010)	Northwood (2002−2004)
Release date	8 April 2009 (15 years ago)	September 2002 (22 years ago)

Detailed specifications

Atom Z515 and Pentium 4-M 2.20 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	1 (Single-Core)	1 (Single-Core)
Threads	2	1
Base clock speed	1.2 GHz	no data
Boost clock speed	1.2 GHz	2.2 GHz
Bus type	FSB	no data
Bus rate	400 MT/s	no data
Multiplier	12	no data
L1 cache	56 KB (per core)	8 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	130 nm
Die size	24.18 mm2	131 mm2
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	no data	100 °C
Number of transistors	47 million	55 million
64 bit support	-	-
Windows 11 compatibility	-	-

Compatibility

Information on Atom Z515 and Pentium 4-M 2.20 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	PBGA441	478
Power consumption (TDP)	1.4 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z515 and Pentium 4-M 2.20. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
FSB parity	-	no data

Security technologies

Atom Z515 and Pentium 4-M 2.20 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z515 and Pentium 4-M 2.20 are enumerated here.

VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z515 and Pentium 4-M 2.20. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

unknown

DDR1, DDR2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Pros & cons summary

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Threads	2	1
Chip lithography	45 nm	130 nm
Power consumption (TDP)	1 Watt	35 Watt

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Should you still have questions on choice between Atom Z515 and Pentium 4-M 2.20, ask them in Comments section, and we shall answer.

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