Core 2 Duo P7550 vs Pentium Dual Core T4400

Aggregate performance score

Pentium Dual Core T4400
2009
2 cores / 2 threads, 35 Watt
0.83
+50.9%

Pentium Dual T4400 outperforms Core 2 Duo P7550 by an impressive 51% based on our aggregate benchmark results.

Primary details

Comparing Pentium Dual Core T4400 and Core 2 Duo P7550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking25532797
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Pentium Dual CoreIntel Core 2 Duo
Architecture codenamePenryn (2008−2011)Penryn (2008−2011)
Release date1 December 2009 (14 years ago)1 October 2009 (14 years ago)

Detailed specifications

Pentium Dual Core T4400 and Core 2 Duo P7550 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 GHz2.26 GHz
Boost clock speed2.2 GHz2.26 GHz
Bus rate800 MHz1066 MHz
L1 cache128 KBno data
L2 cache1 MB3 MB
L3 cacheno data3 MB L2 Cache
Chip lithography45 nm45 nm
Die size107 mm2107 mm2
Maximum core temperatureno data90 °C
Number of transistors410 million410 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium Dual Core T4400 and Core 2 Duo P7550 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 configuration1no data
SocketPPGA478
Power consumption (TDP)35 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T4400 and Core 2 Duo P7550. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Statusno dataDiscontinued

Security technologies

Pentium Dual Core T4400 and Core 2 Duo P7550 technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T4400 and Core 2 Duo P7550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

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 0.83
+50.9%
Core 2 Duo P7550 0.55

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
+50%
Core 2 Duo P7550 856

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 P7550 2439
+9.3%

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 P7550 4645
+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.

Pentium Dual T4400 1897
Core 2 Duo P7550 2004
+5.6%

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 P7550 35.6
+7.3%

Gaming performance

Pros & cons summary


Performance score 0.83 0.55
Recency 1 December 2009 1 October 2009
Power consumption (TDP) 35 Watt 25 Watt

Pentium Dual T4400 has a 50.9% higher aggregate performance score, and an age advantage of 2 months.

Core 2 Duo P7550, on the other hand, has 40% lower power consumption.

The Pentium Dual Core T4400 is our recommended choice as it beats the Core 2 Duo P7550 in performance tests.


Should you still have questions on choice between Pentium Dual Core T4400 and Core 2 Duo P7550, 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 P7550
Core 2 Duo P7550

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.


3.5 211 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 14 votes

Rate Core 2 Duo P7550 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 P7550, agree or disagree with our judgements, or report an error or mismatch.