Xeon E7-2830 vs L5420

Primary details

Comparing Xeon L5420 and Xeon E7-2830 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2237	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	Intel Xeon E7
Power efficiency	2.55	no data
Architecture codename	no data	Westmere (2010−2011)
Release date	1 January 2008 (16 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	no data	$1,779

Detailed specifications

Xeon L5420 and Xeon E7-2830 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	8 (Octa-Core)
Threads	no data	16
Base clock speed	2.5 GHz	2.13 GHz
Boost clock speed	no data	2.4 GHz
Bus type	no data	QPI
Bus rate	no data	6.4 GT/s
Multiplier	no data	16
L1 cache	no data	512 KB
L2 cache	no data	2 MB
L3 cache	12 MB L2 Cache	24 MB
Chip lithography	45 nm	32 nm
Die size	no data	513 mm2
Maximum core temperature	57 °C	64 °C
Number of transistors	no data	2600 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon L5420 and Xeon E7-2830 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	2 (Multiprocessor)
Socket	LGA771	LGA1567
Power consumption (TDP)	50 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5420 and Xeon E7-2830. 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	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	1.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Demand Based Switching	+	no data
FSB parity	+	no data

Security technologies

Xeon L5420 and Xeon E7-2830 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5420 and Xeon E7-2830 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5420 and Xeon E7-2830. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	no data	1 TB
Max memory channels	no data	4
Maximum memory bandwidth	no data	34.113 GB/s
ECC memory support	-	+

Pros & cons summary

---

Recency	1 January 2008	5 April 2011
Chip lithography	45 nm	32 nm
Power consumption (TDP)	50 Watt	105 Watt

---

Should you still have questions on choice between Xeon L5420 and Xeon E7-2830, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---