Core 2 Duo E6400 vs Core 2 Duo T5800

Primary details

Comparing Core 2 Duo T5800 and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2882
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiencyno data0.72
Architecture codenameMerom (2006−2008)Conroe (2006−2007)
Release date1 October 2008 (16 years ago)July 2006 (18 years ago)

Detailed specifications

Core 2 Duo T5800 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 speed2 GHz2.13 GHz
Boost clock speed2 GHz2.13 GHz
Bus rate800 MHz1066 MHz
L1 cacheno data64 KB
L2 cache2 MB2 MB
L3 cache2 MB L2 Cache0 KB
Chip lithography65 nm65 nm
Die size143 mm2143 mm2
Maximum core temperature85 °C61 °C
Number of transistors291 Million291 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.075V-1.175V0.85V-1.5V

Compatibility

Information on Core 2 Duo T5800 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
SocketPPGA478LGA775,PLGA775
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T5800 and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo T5800 and Core 2 Duo E6400 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 T5800 and Core 2 Duo E6400 are enumerated here.

VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T5800 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.



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 T5800 628
Core 2 Duo E6400 780
+24.2%

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.

Core 2 Duo T5800 215
Core 2 Duo E6400 233
+8.4%

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.

Core 2 Duo T5800 341
Core 2 Duo E6400 374
+9.7%

Pros & cons summary


Power consumption (TDP) 35 Watt 65 Watt

Core 2 Duo T5800 has 85.7% lower power consumption.

We couldn't decide between Core 2 Duo T5800 and Core 2 Duo E6400. We've got no test results to judge.

Be aware that Core 2 Duo T5800 is a notebook processor while Core 2 Duo E6400 is a desktop one.


Should you still have questions on choice between Core 2 Duo T5800 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.


Intel Core 2 Duo T5800
Core 2 Duo T5800
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 80 votes

Rate Core 2 Duo T5800 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 Core 2 Duo T5800 or Core 2 Duo E6400, agree or disagree with our judgements, or report an error or mismatch.