Athlon 64 3800+ vs Core 2 Duo P8400

Aggregate performance score

Core 2 Duo P8400
2008
2 cores / 2 threads, 25 Watt
0.53
+32.5%
Athlon 64 3800+
2004
1 core / 1 thread, 89 Watt
0.40

Core 2 Duo P8400 outperforms Athlon 64 3800+ by a substantial 33% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo P8400 and Athlon 64 3800+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28613005
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiency2.010.43
Architecture codenamePenryn (2008−2011)Venice (2004−2005)
Release date15 July 2008 (16 years ago)June 2004 (20 years ago)
Launch price (MSRP)$209$160

Detailed specifications

Core 2 Duo P8400 and Athlon 64 3800+ 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)1 (Single-Core)
Threads21
Base clock speed2.26 GHzno data
Boost clock speed2.26 GHz2.4 GHz
Bus rate1066 MHzno data
L1 cache128 KB128 KB
L2 cache3 MB512 KB
L3 cache3 MB L2 Cache0 KB
Chip lithography45 nm130 nm
Die size107 mm2230 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)no data70 °C
Number of transistors410 Million227 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.15Vno data

Compatibility

Information on Core 2 Duo P8400 and Athlon 64 3800+ 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
SocketBGA479,PBGA479,PGA478939
Power consumption (TDP)25 Watt89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and Athlon 64 3800+. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo P8400 and Athlon 64 3800+ technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo P8400 and Athlon 64 3800+ are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8400 and Athlon 64 3800+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1

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 P8400 0.53
+32.5%
Athlon 64 3800+ 0.40

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 P8400 848
+33.5%
Athlon 64 3800+ 635

Gaming performance

Pros & cons summary


Performance score 0.53 0.40
Physical cores 2 1
Threads 2 1
Chip lithography 45 nm 130 nm
Power consumption (TDP) 25 Watt 89 Watt

Core 2 Duo P8400 has a 32.5% higher aggregate performance score, 100% more physical cores and 100% more threads, a 188.9% more advanced lithography process, and 256% lower power consumption.

The Core 2 Duo P8400 is our recommended choice as it beats the Athlon 64 3800+ in performance tests.

Be aware that Core 2 Duo P8400 is a notebook processor while Athlon 64 3800+ is a desktop one.


Should you still have questions on choice between Core 2 Duo P8400 and Athlon 64 3800+, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo P8400
Core 2 Duo P8400
AMD Athlon 64 3800+
Athlon 64 3800+

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Community ratings

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


3.7 84 votes

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3.3 54 votes

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Questions & comments

Here you can ask a question about Core 2 Duo P8400 or Athlon 64 3800+, agree or disagree with our judgements, or report an error or mismatch.