Celeron G540 vs Xeon E5420

Primary details

Comparing Xeon E5420 and Celeron G540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2178	2555
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.24	0.02
Market segment	Server	Desktop processor
Architecture codename	no data	Sandy Bridge (2011−2013)
Release date	1 October 2007 (16 years ago)	4 September 2011 (12 years ago)
Launch price (MSRP)	no data	$158
Current price	$62	$19.25 (0.1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5420 has 1100% better value for money than Celeron G540.

Detailed specifications

Xeon E5420 and Celeron G540 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	no data	2 (Dual-core)
Threads	no data	2
Base clock speed	2.5 GHz	2.5 GHz
Boost clock speed	no data	2.5 GHz
L1 cache	no data	64 KB (per core)
L2 cache	no data	256 KB (per core)
L3 cache	12 MB L2 Cache	2 MB (shared)
Chip lithography	45 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	67 °C	69 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5420 and Celeron G540 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	no data	1
Socket	LGA771	FCLGA1155
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Celeron G540. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	no data	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	+	no data
FDI	no data	+
Fast Memory Access	no data	+
FSB parity	+	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E5420 and Celeron G540 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Celeron G540 are enumerated here.

VT-d	no data	-
VT-x	+	+
EPT	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Celeron G540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequency	no data	1 GHz

Graphics interfaces

Available interfaces and connections of Xeon E5420 and Celeron G540 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Xeon E5420 and Celeron G540.

PCIe version

no data

2.0

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.

Xeon E5420 outperforms Celeron G540 by 72% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.31	0.76
Recency	1 October 2007	4 September 2011
Chip lithography	45 nm	32 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E5420 and Celeron G540, ask them in Comments section, and we shall answer.

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