i3-11100B vs Xeon L5420

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Aggregate performance score

Xeon L5420
2008
50 Watt
1.39
Core i3-11100B
2021
4 cores / 8 threads, 65 Watt
7.37
+430%

Core i3-11100B outperforms Xeon L5420 by a whopping 430% based on our aggregate benchmark results.

Primary details

Comparing Xeon L5420 and Core i3-11100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2210967
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Release date1 January 2008 (16 years ago)1 April 2021 (3 years ago)

Detailed specifications

Xeon L5420 and Core i3-11100B 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 coresno data4 (Quad-Core)
Threadsno data8
Base clock speed2.5 GHz3.6 GHz
Boost clock speedno data4.4 GHz
Bus rateno data8 GT/s
L3 cache12 MB L2 Cache12 MB
Chip lithography45 nm10 nm SuperFin
Maximum core temperature57 °C100 °C
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon L5420 and Core i3-11100B 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 configurationno data1
SocketLGA771no data
Power consumption (TDP)50 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5420 and Core i3-11100B. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
vProno data-
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
Demand Based Switching+no data
Turbo Boost Max 3.0no data+
FSB parity+no data
StatusDiscontinuedLaunched
Deep Learning Boost-+

Security technologies

Xeon L5420 and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5420 and Core i3-11100B are enumerated here.

VT-dno data+
VT-x++
EPT-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5420 and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataUp to 3200 MT/s
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.4 GHz
Execution Unitsno data16

Graphics interfaces

Available interfaces and connections of Xeon L5420 and Core i3-11100B integrated GPUs.

Number of displays supportedno data4
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Xeon L5420 and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Xeon L5420 and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon L5420 and Core i3-11100B.

PCIe versionno data3.0
PCI Express lanesno data16

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 L5420 1.39
i3-11100B 7.37
+430%

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 L5420 2143
i3-11100B 11357
+430%

Gaming performance

Pros & cons summary


Performance score 1.39 7.37
Recency 1 January 2008 1 April 2021
Chip lithography 45 nm 10 nm
Power consumption (TDP) 50 Watt 65 Watt

Xeon L5420 has 30% lower power consumption.

i3-11100B, on the other hand, has a 430.2% higher aggregate performance score, an age advantage of 13 years, and a 350% more advanced lithography process.

The Core i3-11100B is our recommended choice as it beats the Xeon L5420 in performance tests.

Be aware that Xeon L5420 is a server/workstation processor while Core i3-11100B is a notebook one.


Should you still have questions on choice between Xeon L5420 and Core i3-11100B, ask them in Comments section, and we shall answer.

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Intel Xeon L5420
Xeon L5420
Intel Core i3-11100B
Core i3-11100B

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Xeon L5420 or Core i3-11100B, agree or disagree with our judgements, or report an error or mismatch.