Atom N2800 vs Core 2 Duo E8400

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Aggregate performance score

Core 2 Duo E8400
2008
2 cores / 2 threads, 65 Watt
0.73
+161%
Atom N2800
2011
2 cores / 4 threads, 6 Watt
0.28

Core 2 Duo E8400 outperforms Atom N2800 by a whopping 161% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E8400 and Atom N2800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26853133
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Atom
Power efficiency1.063.79
Architecture codenameWolfdale (2008−2010)Cedarview-M (2011−2012)
Release date1 January 2008 (16 years ago)1 December 2011 (13 years ago)
Launch price (MSRP)no data$47

Detailed specifications

Core 2 Duo E8400 and Atom N2800 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 cores2 (Dual-core)2 (Dual-core)
Threads24
Base clock speed3 GHz1.86 GHz
Boost clock speed3 GHz1.87 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)64 KB (per core)
L2 cache6 MB (shared)512K (per core)
L3 cache0 KB0 KB
Chip lithography45 nm32 nm
Die size104 mm266 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors410 million176 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 and Atom N2800 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 configuration11
SocketLGA775FCBGA559
Power consumption (TDP)65 Watt6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Atom N2800. 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--
FSB parity-no data

Security technologies

Core 2 Duo E8400 and Atom N2800 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Atom N2800 are enumerated here.

VT-d+-
VT-x+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Atom N2800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data4.88 GB
Max memory channelsno data1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel Graphics Media Accelerator (GMA) 3650 (640 MHz)

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Atom N2800.

PCIe version2.0no 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.

Core 2 Duo E8400 0.73
+161%
Atom N2800 0.28

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.

Core 2 Duo E8400 1165
+162%
Atom N2800 444

Gaming performance

Pros & cons summary


Performance score 0.73 0.28
Recency 1 January 2008 1 December 2011
Threads 2 4
Chip lithography 45 nm 32 nm
Power consumption (TDP) 65 Watt 6 Watt

Core 2 Duo E8400 has a 160.7% higher aggregate performance score.

Atom N2800, on the other hand, has an age advantage of 3 years, 100% more threads, a 40.6% more advanced lithography process, and 983.3% lower power consumption.

The Core 2 Duo E8400 is our recommended choice as it beats the Atom N2800 in performance tests.

Note that Core 2 Duo E8400 is a desktop processor while Atom N2800 is a notebook one.


Should you still have questions on choice between Core 2 Duo E8400 and Atom N2800, 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 Core 2 Duo E8400
Core 2 Duo E8400
Intel Atom N2800
Atom N2800

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Community ratings

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


3.7 2293 votes

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2.7 104 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E8400 or Atom N2800, agree or disagree with our judgements, or report an error or mismatch.