Atom D2500 vs Xeon E5420

VS

Aggregate performance score

Xeon E5420
2007
80 Watt
1.27
+747%
Atom D2500
2011
2 cores / 2 threads, 10 Watt
0.15

Xeon E5420 outperforms Atom D2500 by a whopping 747% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5420 and Atom D2500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22963314
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno dataIntel Atom
Power efficiency1.501.42
Architecture codenameno dataCedarview (2011−2012)
Release date1 October 2007 (17 years ago)1 November 2011 (13 years ago)

Detailed specifications

Xeon E5420 and Atom D2500 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 data2 (Dual-core)
Threadsno data2
Base clock speed2.5 GHz1.86 GHz
Boost clock speedno data1.87 GHz
L1 cacheno data64 KB (per core)
L2 cacheno data512K (per core)
L3 cache12 MB L2 Cache0 KB
Chip lithography45 nm32 nm
Die sizeno data66 mm2
Maximum core temperature67 °C100 °C
Number of transistorsno data176 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon E5420 and Atom D2500 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
SocketLGA771FCBGA559
Power consumption (TDP)80 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Atom D2500. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)+-
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States+no data
Thermal Monitoring+-
Demand Based Switching+-
PAEno data36 Bit
AMTno data-
FSB parity+no data
HD Audiono data+

Security technologies

Xeon E5420 and Atom D2500 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Atom D2500 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 D2500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory sizeno data4 GB
Max memory channelsno data1
Maximum memory bandwidthno data6.4 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel GMA

Graphics interfaces

Available interfaces and connections of Xeon E5420 and Atom D2500 integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Xeon E5420 and Atom D2500.

PCI Express lanesno data4
Total number of SATA portsno data2
Number of USB portsno data8

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
+747%
Atom D2500 0.15

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
+739%
Atom D2500 241

Gaming performance

Pros & cons summary


Performance score 1.27 0.15
Recency 1 October 2007 1 November 2011
Chip lithography 45 nm 32 nm
Power consumption (TDP) 80 Watt 10 Watt

Xeon E5420 has a 746.7% higher aggregate performance score.

Atom D2500, on the other hand, has an age advantage of 4 years, a 40.6% more advanced lithography process, and 700% lower power consumption.

The Xeon E5420 is our recommended choice as it beats the Atom D2500 in performance tests.

Be aware that Xeon E5420 is a server/workstation processor while Atom D2500 is a notebook one.


Should you still have questions on choice between Xeon E5420 and Atom D2500, 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.


Intel Xeon E5420
Xeon E5420
Intel Atom D2500
Atom D2500

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.8 159 votes

Rate Xeon E5420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 36 votes

Rate Atom D2500 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E5420 or Atom D2500, agree or disagree with our judgements, or report an error or mismatch.