Core 2 Duo E6400 vs Athlon II P320

VS

Aggregate performance score

Athlon II P320
2010
2 cores / 2 threads, 25 Watt
0.44
Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49
+11.4%

Core 2 Duo E6400 outperforms Athlon II P320 by a moderate 11% based on our aggregate benchmark results.

Primary details

Comparing Athlon II P320 and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29592902
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Athlon IIno data
Power efficiency1.670.71
Architecture codenameChamplain (2010−2011)Conroe (2006−2007)
Release date12 May 2010 (14 years ago)July 2006 (18 years ago)

Detailed specifications

Athlon II P320 and Core 2 Duo E6400 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)
Threads22
Base clock speedno data2.13 GHz
Boost clock speed2.1 GHz2.13 GHz
Bus rate3200 MHz1066 MHz
L1 cache256 KB64 KB
L2 cache1 MB2 MB
L3 cacheno data0 KB
Chip lithography45 nm65 nm
Die sizeno data143 mm2
Maximum core temperatureno data61 °C
Number of transistorsno data291 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Athlon II P320 and Core 2 Duo E6400 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
SocketS1g4LGA775,PLGA775
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II P320 and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsSSE-3, SSE4A, 3DNow!, MMX, DEP, SVMno data
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Athlon II P320 and Core 2 Duo E6400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II P320 and Core 2 Duo E6400 are enumerated here.

VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II P320 and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

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.

Athlon II P320 0.44
Core 2 Duo E6400 0.49
+11.4%

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.

Athlon II P320 695
Core 2 Duo E6400 780
+12.2%

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.

Athlon II P320 174
Core 2 Duo E6400 233
+33.9%

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.

Athlon II P320 320
Core 2 Duo E6400 374
+16.9%

Gaming performance

Pros & cons summary


Performance score 0.44 0.49
Chip lithography 45 nm 65 nm
Power consumption (TDP) 25 Watt 65 Watt

Athlon II P320 has a 44.4% more advanced lithography process, and 160% lower power consumption.

Core 2 Duo E6400, on the other hand, has a 11.4% higher aggregate performance score.

The Core 2 Duo E6400 is our recommended choice as it beats the Athlon II P320 in performance tests.

Be aware that Athlon II P320 is a notebook processor while Core 2 Duo E6400 is a desktop one.


Should you still have questions on choice between Athlon II P320 and Core 2 Duo E6400, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Athlon II P320
Athlon II P320
Intel Core 2 Duo E6400
Core 2 Duo E6400

Similar processor comparisons

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Community ratings

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


3.5 76 votes

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Questions & comments

Here you can ask a question about Athlon II P320 or Core 2 Duo E6400, agree or disagree with our judgements, or report an error or mismatch.