Pentium Dual Core T4400 vs Core 2 Duo T9900
Aggregated performance score
Pentium Dual Core T4400 outperforms Core 2 Duo T9900 by 9% based on our aggregated benchmark results.
Primary Details
Comparing Core 2 Duo T9900 and Pentium Dual Core T4400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2519 | 2452 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Intel Pentium Dual Core |
| Architecture codename | Penryn (2008−2011) | Penryn (2008−2011) |
| Release date | 1 April 2009 (15 years ago) | 1 December 2009 (14 years ago) |
| Launch price (MSRP) | $530 | no data |
| Current price | $112 (0.2x MSRP) | $307 |
Detailed Specifications
Core 2 Duo T9900 and Pentium Dual Core T4400 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 cores | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 3.06 GHz | no data |
| Boost clock speed | 3.06 GHz | 2.2 GHz |
| Bus support | 1066 MHz | 800 MHz |
| L1 cache | 128 KB | 128 KB |
| L2 cache | 6 MB | 1 MB |
| L3 cache | 6 MB L2 Cache | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | 107 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 410 Million | 410 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 1.05V-1.2125V | no data |
Compatibility
Information on Core 2 Duo T9900 and Pentium Dual Core T4400 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.
| Socket | BGA479,PGA478 | PGA478 |
| Power consumption (TDP) | 35 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T9900 and Pentium Dual Core T4400. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Demand Based Switching | - | no data |
| Status | Discontinued | no data |
Security technologies
Core 2 Duo T9900 and Pentium Dual Core T4400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T9900 and Pentium Dual Core T4400 are enumerated here.
| VT-x | + | 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 Core T4400 outperforms Core 2 Duo T9900 by 9% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
Pentium Dual Core T4400 outperforms Core 2 Duo T9900 by 9% in Passmark.
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.
Benchmark coverage: 20%
Core 2 Duo T9900 outperforms Pentium Dual Core T4400 by 59% in Cinebench 10 32-bit single-core.
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.
Benchmark coverage: 19%
Core 2 Duo T9900 outperforms Pentium Dual Core T4400 by 69% in Cinebench 10 32-bit multi-core.
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.
Benchmark coverage: 19%
Core 2 Duo T9900 outperforms Pentium Dual Core T4400 by 47% in 3DMark06 CPU.
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.
Benchmark coverage: 18%
Pentium Dual Core T4400 outperforms Core 2 Duo T9900 by 52% in wPrime 32.
Pros & Cons Summary
| Performance score | 0.76 | 0.83 |
| Recency | 1 April 2009 | 1 December 2009 |
Given the minimal performance differences, no clear winner can be declared between Core 2 Duo T9900 and Pentium Dual Core T4400.
Should you still have questions on choice between Core 2 Duo T9900 and Pentium Dual Core T4400, ask them in Comments section, and we shall answer.
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.
