Core 2 Duo E6540 vs Celeron E3400

General info

Comparing Celeron E3400 and Core 2 Duo E6540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2688	2717
Place by popularity	not in top-100	not in top-100
Value for money	3.72	no data
Market segment	Desktop processor	Desktop processor
Architecture codename	Wolfdale (2008−2010)	no data
Release date	17 January 2010 (14 years old)	1 July 2007 (16 years old)
Launch price (MSRP)	$76	no data
Current price	$18.99 (0.2x MSRP)	no data

Value for money

Performance per price, higher is better.

Technical specs

Celeron E3400 and Core 2 Duo E6540 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)	no data
Threads	2	no data
Base clock speed	2.6 GHz	2.33 GHz
Boost clock speed	2.6 GHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	1 MB (shared)	no data
L3 cache	0 KB	4 MB L2 Cache
Chip lithography	45 nm	65 nm
Die size	82 mm2	no data
Maximum core temperature	74 °C	72 °C
Number of transistors	228 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	0.85V-1.5V

Compatibility

Information on Celeron E3400 and Core 2 Duo E6540 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	LGA775	PLGA775
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron E3400 and Core 2 Duo E6540. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron E3400 and Core 2 Duo E6540 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 Core 2 Duo E6540 are enumerated here.

VT-d	-	no data
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron E3400 and Core 2 Duo E6540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

no data

Peripherals

Specifications and connection of peripherals supported by Celeron E3400 and Core 2 Duo E6540.

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.

Celeron E3400 outperforms Core 2 Duo E6540 by 6% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	0.55	0.52
Recency	17 January 2010	1 July 2007
Chip lithography	45 nm	65 nm

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Should you still have questions on choice between Celeron E3400 and Core 2 Duo E6540, ask them in Comments section, and we shall answer.

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