Core 2 Duo E6400 vs Turion II P520

Aggregate performance score

Turion II P520
2010
2 cores / 2 threads, 25 Watt
0.51
+4.1%
Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49

Turion II P520 outperforms Core 2 Duo E6400 by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Turion II P520 and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28662887
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Turion IIno data
Power efficiency1.930.71
Architecture codenameChamplain (2010−2011)Conroe (2006−2007)
Release date12 May 2010 (14 years ago)July 2006 (18 years ago)

Detailed specifications

Turion II P520 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 speed2.3 GHz2.13 GHz
Bus rate3600 MHz1066 MHz
L1 cache128 KB64 KB
L2 cache2 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 Turion II P520 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
SocketS1 (S1g4)LGA775,PLGA775
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Turion II P520 and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 3DNow, SSE, SSE2, SSE3, SSE4A, AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0no data
VirusProtect+-
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

Turion II P520 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 Turion II P520 and Core 2 Duo E6400 are enumerated here.

AMD-V+-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Turion II P520 and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, 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.

Turion II P520 0.51
+4.1%
Core 2 Duo E6400 0.49

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.

Turion II P520 812
+4.1%
Core 2 Duo E6400 780

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.

Turion II P520 289
+24%
Core 2 Duo E6400 233

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.

Turion II P520 522
+39.6%
Core 2 Duo E6400 374

Gaming performance

Pros & cons summary


Performance score 0.51 0.49
Chip lithography 45 nm 65 nm
Power consumption (TDP) 25 Watt 65 Watt

Turion II P520 has a 4.1% higher aggregate performance score, a 44.4% more advanced lithography process, and 160% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Turion II P520 and Core 2 Duo E6400.

Be aware that Turion II P520 is a notebook processor while Core 2 Duo E6400 is a desktop one.


Should you still have questions on choice between Turion II P520 and Core 2 Duo E6400, 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.


AMD Turion II P520
Turion II P520
Intel Core 2 Duo E6400
Core 2 Duo E6400

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.


3.4 50 votes

Rate Turion II P520 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.3 150 votes

Rate Core 2 Duo E6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Turion II P520 or Core 2 Duo E6400, agree or disagree with our judgements, or report an error or mismatch.