Turion II Ultra M660 vs Core 2 Duo E7400
Aggregate performance score
Core 2 Duo E7400 outperforms Turion II Ultra M660 by a small 5% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3083 | 3109 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Turion II Ultra |
| Power efficiency | 0.39 | 0.69 |
| Designer | Intel | AMD |
| Architecture codename | Wolfdale (2008−2010) | Caspian (2009) |
| Release date | October 2008 (17 years ago) | 10 September 2009 (16 years ago) |
Detailed specifications
Core 2 Duo E7400 and Turion II Ultra M660 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 | 2.8 GHz | no data |
| Boost clock speed | 2.8 GHz | 2.7 GHz |
| Bus rate | 1066 MHz | 3600 MHz |
| L1 cache | 64 KB | no data |
| L2 cache | 3 MB (shared) | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 82 mm2 | no data |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 228 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E7400 and Turion II Ultra M660 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 | 1 | no data |
| Socket | LGA775 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E7400 and Turion II Ultra M660. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| PowerNow | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo E7400 and Turion II Ultra M660 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7400 and Turion II Ultra M660. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2 |
Pros & cons summary
| Performance score | 0.60 | 0.57 |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Core 2 Duo E7400 has a 5.3% higher aggregate performance score.
Turion II Ultra M660, on the other hand, has 85.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Intel Core 2 Duo E7400 and AMD Turion II Ultra M660.
Note that Core 2 Duo E7400 is a desktop processor while Turion II Ultra M660 is a notebook one.
Other comparisons
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