Core 2 Duo E6600 vs Pentium Dual Core T4400

VS

Aggregate performance score

Pentium Dual Core T4400
2009
2 cores / 2 threads, 35 Watt
0.81
+39.7%
Core 2 Duo E6600
2006
2 cores / 2 threads, 65 Watt
0.58

Pentium Dual Core T4400 outperforms Core 2 Duo E6600 by a considerable 40% based on our aggregate benchmark results.

Primary details

Comparing Pentium Dual Core T4400 and Core 2 Duo (Desktop) E6600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26102824
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Pentium Dual CoreCore 2 Duo (Desktop)
Power efficiency2.190.84
Architecture codenamePenryn (2008−2011)Conroe (2006−2007)
Release date1 December 2009 (15 years ago)no data

Detailed specifications

Pentium Dual Core T4400 and Core 2 Duo (Desktop) E6600 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 speed2.2 GHzno data
Boost clock speed2.2 GHz2.4 GHz
Bus rate800 MHz1066 MHz
L1 cache128 KB64 KB
L2 cache1 MB4 MB
L3 cache0 KB0 KB
Chip lithography45 nm65 nm
Die size107 mm2143 mm2
Number of transistors410 million291 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium Dual Core T4400 and Core 2 Duo (Desktop) E6600 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 configuration11
SocketP775
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T4400 and Core 2 Duo (Desktop) E6600. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T4400 and Core 2 Duo (Desktop) E6600. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

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.

Pentium Dual T4400 0.81
+39.7%
Core 2 Duo E6600 0.58

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.

Pentium Dual T4400 1284
+39.7%
Core 2 Duo E6600 919

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.

Pentium Dual T4400 2231
Core 2 Duo E6600 2462
+10.4%

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.

Pentium Dual T4400 4200
Core 2 Duo E6600 4698
+11.9%

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.

Pentium Dual T4400 1897
Core 2 Duo E6600 2052
+8.2%

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.

Pentium Dual T4400 38.2
Core 2 Duo E6600 36.2
+5.5%

Gaming performance

Pros & cons summary


Performance score 0.81 0.58
Chip lithography 45 nm 65 nm
Power consumption (TDP) 35 Watt 65 Watt

Pentium Dual T4400 has a 39.7% higher aggregate performance score, a 44.4% more advanced lithography process, and 85.7% lower power consumption.

The Pentium Dual Core T4400 is our recommended choice as it beats the Core 2 Duo E6600 in performance tests.

Be aware that Pentium Dual Core T4400 is a notebook processor while Core 2 Duo E6600 is a desktop one.


Should you still have questions on choice between Pentium Dual Core T4400 and Core 2 Duo E6600, 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 Pentium Dual Core T4400
Pentium Dual Core T4400
Intel Core 2 Duo E6600
Core 2 Duo E6600

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.


3.5 219 votes

Rate Pentium Dual Core T4400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 438 votes

Rate Core 2 Duo E6600 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium Dual Core T4400 or Core 2 Duo E6600, agree or disagree with our judgements, or report an error or mismatch.