Atom x7-E3950 vs Xeon E5420

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Aggregate performance score

Xeon E5420
2007
80 Watt
1.27
+8.5%
Atom x7-E3950
2014
4 cores / 4 threads, 12 Watt
1.17

Xeon E5420 outperforms Atom x7-E3950 by a small 9% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5420 and Atom x7-E3950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22962372
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno data7x Intel Atom
Power efficiency1.509.22
Architecture codenameno dataApollo Lake (2014−2016)
Release date1 October 2007 (17 years ago)30 August 2014 (10 years ago)
Launch price (MSRP)no data$57

Detailed specifications

Xeon E5420 and Atom x7-E3950 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 data4
Base clock speed2.5 GHz1.6 GHz
Boost clock speedno data2 GHz
L1 cacheno data56K (per core)
L2 cacheno data2 MB (shared)
L3 cache12 MB L2 Cache0 KB
Chip lithography45 nm14 nm
Maximum core temperature67 °C110 °C
Maximum case temperature (TCase)no data103 °C
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon E5420 and Atom x7-E3950 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 (Uniprocessor)
SocketLGA771Intel BGA 1296
Power consumption (TDP)80 Watt12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Atom x7-E3950. You'll probably need this information if you require some particular technology.

AES-NI-+
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 Atom x7-E3950 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 Atom x7-E3950 are enumerated here.

VT-dno data+
VT-x++
EPT-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Atom x7-E3950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3, DDR4
Maximum memory sizeno data8 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 505 (500 - 650 MHz)

Peripherals

Specifications and connection of peripherals supported by Xeon E5420 and Atom x7-E3950.

PCIe versionno data2.0
PCI Express lanesno data4

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 E5420 1.27
+8.5%
Atom x7-E3950 1.17

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 E5420 2022
+8.5%
Atom x7-E3950 1864

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 E5420 368
+59.3%
Atom x7-E3950 231

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 E5420 1197
+66.7%
Atom x7-E3950 718

Gaming performance

Pros & cons summary


Performance score 1.27 1.17
Recency 1 October 2007 30 August 2014
Chip lithography 45 nm 14 nm
Power consumption (TDP) 80 Watt 12 Watt

Xeon E5420 has a 8.5% higher aggregate performance score.

Atom x7-E3950, on the other hand, has an age advantage of 6 years, a 221.4% more advanced lithography process, and 566.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Xeon E5420 and Atom x7-E3950.

Be aware that Xeon E5420 is a server/workstation processor while Atom x7-E3950 is a notebook one.


Should you still have questions on choice between Xeon E5420 and Atom x7-E3950, ask them in Comments section, and we shall answer.

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Intel Xeon E5420
Xeon E5420
Intel Atom x7-E3950
Atom x7-E3950

Similar processor comparisons

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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 E5420 or Atom x7-E3950, agree or disagree with our judgements, or report an error or mismatch.