Pentium M 740 vs Core 2 Duo T6400
Primary details
Comparing Core 2 Duo T6400 and Pentium M 740 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Pentium M |
| Architecture codename | Penryn (2008−2011) | Dothan (2004−2005) |
| Release date | 1 January 2009 (15 years ago) | January 2005 (19 years ago) |
| Current price | $33 | $62 |
Detailed specifications
Core 2 Duo T6400 and Pentium M 740 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 2 GHz | 1.73 GHz |
| Boost clock speed | 2 GHz | 1.73 GHz |
| Bus support | 800 MHz | 533 MHz |
| L1 cache | no data | 32 KB |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 2 MB L2 Cache | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | no data | 84 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | no data | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 1V-1.25V | 1.26V-1.356V |
Compatibility
Information on Core 2 Duo T6400 and Pentium M 740 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 configuration | no data | 1 |
| Socket | PGA478 | PPGA478, H-PBGA479 |
| Power consumption (TDP) | 35 Watt | 27 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and Pentium M 740. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | no data | - |
| Demand Based Switching | - | - |
| PAE | no data | 32 Bit |
| FSB parity | no data | - |
| Status | Discontinued | Discontinued |
Security technologies
Core 2 Duo T6400 and Pentium M 740 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 T6400 and Pentium M 740 are enumerated here.
| VT-x | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Pentium M 740. Depending on the motherboard, higher memory frequencies may be supported.
| ECC memory support | 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.
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 T6400 outperforms Pentium M 740 by 47% in Cinebench 10 32-bit single-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 T6400 outperforms Pentium M 740 by 140% in 3DMark06 CPU.
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 35 Watt | 27 Watt |
We couldn't decide between Core 2 Duo T6400 and Pentium M 740. We've got no test results to judge.
Should you still have questions on choice between Core 2 Duo T6400 and Pentium M 740, ask them in Comments section, and we shall answer.
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