Xeon L5420 vs E3-1245 v2

Aggregate performance score

Xeon E3-1245 v2
2012
4 cores / 8 threads, 77 Watt
3.97
+194%

Xeon E3-1245 v2 outperforms Xeon L5420 by a whopping 194% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1245 v2 and Xeon L5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14222242
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.39no data
Market segmentServerServer
Power efficiency4.882.56
Architecture codenameIvy Bridge (2012−2013)no data
Release date14 May 2012 (12 years ago)1 January 2008 (16 years ago)
Launch price (MSRP)$462no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E3-1245 v2 and Xeon L5420 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 cores4 (Quad-Core)no data
Threads8no data
Base clock speed3.4 GHz2.5 GHz
Boost clock speed3.8 GHzno data
Bus rate5 GT/sno data
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache8 MB (shared)12 MB L2 Cache
Chip lithography22 nm45 nm
Die size160 mm2no data
Maximum core temperatureno data57 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Xeon E3-1245 v2 and Xeon L5420 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 configuration1no data
SocketFCLGA1155LGA771
Power consumption (TDP)77 Watt50 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1245 v2 and Xeon L5420. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching++
FDI+no data
Fast Memory Access+no data
FSB parityno data+

Security technologies

Xeon E3-1245 v2 and Xeon L5420 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1245 v2 and Xeon L5420 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1245 v2 and Xeon L5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size32.77 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD P4000no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.25 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1245 v2 and Xeon L5420 integrated GPUs.

Number of displays supported3no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1245 v2 and Xeon L5420.

PCIe version3.0no 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.


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 E3-1245 v2 3.97
+194%
Xeon L5420 1.35

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon E3-1245 v2 6306
+194%
Xeon L5420 2143

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E3-1245 v2 667
+101%
Xeon L5420 332

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E3-1245 v2 2269
+147%
Xeon L5420 917

Gaming performance

Pros & cons summary


Performance score 3.97 1.35
Recency 14 May 2012 1 January 2008
Chip lithography 22 nm 45 nm
Power consumption (TDP) 77 Watt 50 Watt

Xeon E3-1245 v2 has a 194.1% higher aggregate performance score, an age advantage of 4 years, and a 104.5% more advanced lithography process.

Xeon L5420, on the other hand, has 54% lower power consumption.

The Xeon E3-1245 v2 is our recommended choice as it beats the Xeon L5420 in performance tests.


Should you still have questions on choice between Xeon E3-1245 v2 and Xeon L5420, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1245 v2
Xeon E3-1245 v2
Intel Xeon L5420
Xeon L5420

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Community ratings

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Questions & comments

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