Celeron B730 vs 420

Primary details

Comparing Celeron 420 and Celeron B730 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	Desktop processor	Laptop
Series	no data	Intel Celeron
Architecture codename	Conroe-L (2007−2008)	Sandy Bridge (2011−2013)
Release date	June 2007 (17 years ago)	1 July 2012 (12 years ago)
Launch price (MSRP)	$23	$70

Detailed specifications

Celeron 420 and Celeron B730 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	1	2
Base clock speed	1.6 GHz	no data
Boost clock speed	1.6 GHz	1.8 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	4 × 5 GT/s
Multiplier	no data	18
L1 cache	64 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	0 KB	1.5 MB (shared)
Chip lithography	65 nm	32 nm
Die size	77 mm2	131 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	60 °C	no data
Number of transistors	105 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1V-1.3375V	no data

Compatibility

Information on Celeron 420 and Celeron B730 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 (Uniprocessor)
Socket	LGA775	G2 (988B)
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 420 and Celeron B730. You'll probably need this information if you require some particular technology.

FMA	-	+
Enhanced SpeedStep (EIST)	-	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Celeron 420 and Celeron B730 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 420 and Celeron B730 are enumerated here.

VT-d	-	no data
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 420 and Celeron B730. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics (Sandy Bridge)

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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Threads	1	2
Chip lithography	65 nm	32 nm

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Should you still have questions on choice between Celeron 420 and Celeron B730, ask them in Comments section, and we shall answer.

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