Atom E660 vs D425

Primary details

Comparing Atom D425 and Atom E660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Architecture codename	Pineview (2009−2011)	Tunnel Creek (2010)
Release date	21 June 2010 (14 years ago)	14 September 2010 (13 years ago)
Launch price (MSRP)	$993	$54
Current price	$85 (0.1x MSRP)	$54 (1x MSRP)

Detailed specifications

Atom D425 and Atom E660 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	no data
Boost clock speed	1.83 GHz	1.3 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	45 nm
Die size	66 mm2	26 mm2
Maximum core temperature	100 °C	no data
Number of transistors	123 million	47 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Atom D425 and Atom E660 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	Intel BGA 676
Power consumption (TDP)	10 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D425 and Atom E660. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
AES-NI	-	no data
Enhanced SpeedStep (EIST)	-	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	+
Idle States	-	no data
Thermal Monitoring	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
Status	Discontinued	no data

Security technologies

Atom D425 and Atom E660 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 Atom E660 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 Atom E660. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel GMA 3150

Intel GMA 600

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	21 June 2010	14 September 2010
Cost	$993	$54
Power consumption (TDP)	10 Watt	3 Watt

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Should you still have questions on choice between Atom D425 and Atom E660, ask them in Comments section, and we shall answer.

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