Core 2 Duo T6670 vs Core 2 Duo T6400

Primary details

Comparing Core 2 Duo T6400 and Core 2 Duo T6670 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2858
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoIntel Core 2 Duo
Power efficiencyno data1.41
Architecture codenamePenryn (2008−2011)Penryn (2008−2011)
Release date1 January 2009 (15 years ago)1 January 2009 (15 years ago)

Detailed specifications

Core 2 Duo T6400 and Core 2 Duo T6670 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 GHz2.2 GHz
Boost clock speed2 GHz2.2 GHz
Bus rate800 MHz800 MHz
L2 cache2 MB2 MB
L3 cache2 MB L2 Cache2 MB L2 Cache
Chip lithography45 nm45 nm
Die sizeno data107 mm2
Maximum core temperature105 °C105 °C
Number of transistorsno data410 Million
64 bit support++
Windows 11 compatibility--
VID voltage range1V-1.25Vno data

Compatibility

Information on Core 2 Duo T6400 and Core 2 Duo T6670 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.

SocketPGA478PGA478
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Core 2 Duo T6670. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo T6400 and Core 2 Duo T6670 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Core 2 Duo T6670 are enumerated here.

VT-x-+

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 T6400 727
Core 2 Duo T6670 827
+13.8%

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 T6400 232
Core 2 Duo T6670 260
+12.1%

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 T6400 359
Core 2 Duo T6670 399
+11.1%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo T6400 2115
Core 2 Duo T6670 2365
+11.8%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo T6400 4005
Core 2 Duo T6670 4430
+10.6%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Duo T6400 1768
Core 2 Duo T6670 1850
+4.7%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T6400 39.42
+32%
Core 2 Duo T6670 52.04

Pros & cons summary


We couldn't decide between Core 2 Duo T6400 and Core 2 Duo T6670. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo T6400 and Core 2 Duo T6670, 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 T6400
Core 2 Duo T6400
Intel Core 2 Duo T6670
Core 2 Duo T6670

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 88 votes

Rate Core 2 Duo T6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 27 votes

Rate Core 2 Duo T6670 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo T6400 or Core 2 Duo T6670, agree or disagree with our judgements, or report an error or mismatch.