Celeron 420 vs E3400

Primary details

Comparing Celeron E3400 and Celeron 420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2852	3323
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.72	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	0.78	0.40
Architecture codename	Wolfdale (2008−2010)	Conroe-L (2007−2008)
Release date	17 January 2010 (14 years ago)	June 2007 (17 years ago)
Launch price (MSRP)	$76	$23

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron E3400 and Celeron 420 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	2.6 GHz	1.6 GHz
Boost clock speed	2.6 GHz	1.6 GHz
L1 cache	64 KB (per core)	64 KB
L2 cache	1 MB (shared)	512 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	65 nm
Die size	82 mm2	77 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	no data	60 °C
Number of transistors	228 million	105 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	1V-1.3375V

Compatibility

Information on Celeron E3400 and Celeron 420 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	LGA775	LGA775
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron E3400 and Celeron 420. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron E3400 and Celeron 420 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron E3400 and Celeron 420 are enumerated here.

VT-d	-	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron E3400 and Celeron 420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Celeron E3400 and Celeron 420.

PCIe version

2.0

no data

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.54	0.15
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	65 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Celeron E3400 and Celeron 420, ask them in Comments section, and we shall answer.

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