Atom D425 vs Core 2 Quad Q8400

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
+900%
Atom D425
2010
1 core / 2 threads, 10 Watt
0.13

Core 2 Quad Q8400 outperforms Atom D425 by a whopping 900% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Atom D425 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22813348
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency1.291.23
Architecture codenameYorkfield (2007−2009)Pineview (2009−2011)
Release date19 April 2009 (15 years ago)21 June 2010 (14 years ago)
Launch price (MSRP)no data$993

Detailed specifications

Core 2 Quad Q8400 and Atom D425 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)1 (Single-Core)
Threads42
Base clock speed2.66 GHz1.8 GHz
Boost clock speed0.67 GHz1.83 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)64 KB (per core)
L2 cache4 MB (shared)512 KB (per core)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size2x 82 mm266 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million123 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Atom D425 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
SocketFCLGA775,LGA775FCBGA559
Power consumption (TDP)95 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Atom D425. 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+-
Thermal Monitoring+-
Demand Based Switching--
PAEno data32 Bit
FSB parity-no data

Security technologies

Core 2 Quad Q8400 and Atom D425 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Atom D425 are enumerated here.

VT-dno data-
VT-x+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Atom D425. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR2, DDR3
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 cardOn certain motherboards (Chipset feature)Intel GMA 3150

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Atom D425.

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 Quad Q8400 1.30
+900%
Atom D425 0.13

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 Quad Q8400 2068
+914%
Atom D425 204

Gaming performance

Pros & cons summary


Performance score 1.30 0.13
Recency 19 April 2009 21 June 2010
Physical cores 4 1
Threads 4 2
Power consumption (TDP) 95 Watt 10 Watt

Core 2 Quad Q8400 has a 900% higher aggregate performance score, and 300% more physical cores and 100% more threads.

Atom D425, on the other hand, has an age advantage of 1 year, and 850% lower power consumption.

The Core 2 Quad Q8400 is our recommended choice as it beats the Atom D425 in performance tests.

Note that Core 2 Quad Q8400 is a desktop processor while Atom D425 is a notebook one.


Should you still have questions on choice between Core 2 Quad Q8400 and Atom D425, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400
Core 2 Quad Q8400
Intel Atom D425
Atom D425

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Community ratings

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


4 1346 votes

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Questions & comments

Here you can ask a question about Core 2 Quad Q8400 or Atom D425, agree or disagree with our judgements, or report an error or mismatch.