Pentium 4 660 vs Phenom II X2 B53

Place in the ranking	2708	3209
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	no data	Pentium 4
Power efficiency	0.85	0.17
Architecture codename	Callisto (2009−2010)	Prescott 2M
Release date	1 October 2009 (15 years ago)	no data

Detailed specifications

Phenom II X2 B53 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	2.8 GHz	3.6 GHz
Boost clock speed	2.8 GHz	3.6 GHz
Bus rate	no data	800 MHz
L1 cache	128 KB (per core)	no data
L2 cache	512 KB (per core)	no data
L3 cache	6 MB (shared)	2 MB L2 Cache
Chip lithography	45 nm	90 nm
Die size	258 mm²	no data
Maximum core temperature	no data	71 °C
Number of transistors	758 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on Phenom II X2 B53 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)	80 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 B53 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

Phenom II X2 B53 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 Phenom II X2 B53 and Pentium 4 660 are enumerated here.

AMD-V	+	-
VT-x	no data	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 B53 and Pentium 4 660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 B53 and Pentium 4 660.

PCIe version

2.0

no data

Gaming performance

Pros & cons summary

Performance score	0.72	0.21
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	90 nm
Power consumption (TDP)	80 Watt	115 Watt

Phenom II X2 B53 has a 242.9% higher aggregate performance score, 100% more physical cores and 100% more threads, a 100% more advanced lithography process, and 43.8% lower power consumption.

The Phenom II X2 B53 is our recommended choice as it beats the Pentium 4 660 in performance tests.

Should you still have questions on choice between Phenom II X2 B53 and Pentium 4 660, ask them in Comments section, and we shall answer.