Processor N100 vs Xeon E5420

Place in the ranking	2296	1776
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Alder Lake-N
Power efficiency	1.50	38.33
Architecture codename	no data	Alder Lake-N (2023)
Release date	1 October 2007 (17 years ago)	3 January 2023 (1 year ago)
Launch price (MSRP)	no data	$128

Detailed specifications

Xeon E5420 and Processor N100 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	4 (Quad-Core)
Threads	no data	4
Base clock speed	2.5 GHz	0.1 GHz
Boost clock speed	no data	3.4 GHz
L1 cache	no data	96 KB (per core)
L2 cache	no data	2 MB (shared)
L3 cache	12 MB L2 Cache	6 MB (shared)
Chip lithography	45 nm	10 nm
Maximum core temperature	67 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5420 and Processor N100 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	Intel BGA 1264
Power consumption (TDP)	80 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Processor N100. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5420 and Processor N100 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Processor N100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Processor N100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR4, DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel UHD Graphics 24EUs (Alder Lake-N) ( - 750 MHz)

Peripherals

Specifications and connection of peripherals supported by Xeon E5420 and Processor N100.

PCIe version	no data	3.0
PCI Express lanes	no data	9

Gaming performance

Pros & cons summary

Performance score	1.27	2.43
Recency	1 October 2007	3 January 2023
Chip lithography	45 nm	10 nm
Power consumption (TDP)	80 Watt	6 Watt

Processor N100 has a 91.3% higher aggregate performance score, an age advantage of 15 years, a 350% more advanced lithography process, and 1233.3% lower power consumption.

The Processor N100 is our recommended choice as it beats the Xeon E5420 in performance tests.

Be aware that Xeon E5420 is a server/workstation processor while Processor N100 is a notebook one.

Should you still have questions on choice between Xeon E5420 and Processor N100, ask them in Comments section, and we shall answer.