Pentium 4 660 vs Athlon II X2 245e

Primary details

Comparing Athlon II X2 245e and Pentium 4 660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2682	3209
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.36	no data
Market segment	Desktop processor	Desktop processor
Series	no data	Pentium 4
Power efficiency	1.56	0.17
Architecture codename	Regor (2009−2013)	Prescott 2M
Release date	11 May 2010 (14 years ago)	no data
Launch price (MSRP)	$80	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon II X2 245e and Pentium 4 660 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	2 (Dual-core)	1 (Single-Core)
Threads	2	1
Base clock speed	2.9 GHz	3.6 GHz
Boost clock speed	2.9 GHz	3.6 GHz
Bus rate	no data	800 MHz
L1 cache	128 KB	no data
L2 cache	1 MB	no data
L3 cache	0 KB	2 MB L2 Cache
Chip lithography	45 nm	90 nm
Die size	117 mm2	no data
Maximum core temperature	no data	71 °C
Number of transistors	410 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on Athlon II X2 245e and Pentium 4 660 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	no data
Socket	AM3	PLGA775,PPGA775
Power consumption (TDP)	45 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X2 245e and Pentium 4 660. You'll probably need this information if you require some particular technology.

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

Athlon II X2 245e and Pentium 4 660 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 Athlon II X2 245e and Pentium 4 660 are enumerated here.

VT-x

no data

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 245e and Pentium 4 660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 245e and Pentium 4 660.

PCIe version

2.0

no data

Pros & cons summary

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Performance score	0.74	0.21
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	90 nm
Power consumption (TDP)	45 Watt	115 Watt

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