Pentium 4 HT 661 vs Atom D425

Primary details

Comparing Atom D425 and Pentium 4 HT 661 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	Desktop processor
Architecture codename	Pineview (2009−2011)	Cedar Mill (2006)
Release date	21 June 2010 (14 years ago)	5 January 2006 (18 years ago)
Launch price (MSRP)	$993	$401

Detailed specifications

Atom D425 and Pentium 4 HT 661 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	2
Base clock speed	1.8 GHz	3.6 GHz
Boost clock speed	1.83 GHz	3.6 GHz
L1 cache	64 KB (per core)	28 KB
L2 cache	512 KB (per core)	2 MB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	65 nm
Die size	66 mm2	81 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	123 million	188 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom D425 and Pentium 4 HT 661 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	1
Socket	FCBGA559	775
Power consumption (TDP)	10 Watt	86 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D425 and Pentium 4 HT 661. 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)	-	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data

Security technologies

Atom D425 and Pentium 4 HT 661 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 D425 and Pentium 4 HT 661 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D425 and Pentium 4 HT 661. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3	DDR1, DDR2, DDR3
Maximum memory size	4 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	6.4 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 3150

no data

Pros & cons summary

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Recency	21 June 2010	5 January 2006
Chip lithography	45 nm	65 nm
Power consumption (TDP)	10 Watt	86 Watt

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