Turion II Ultra M640 vs Core 2 Duo L7700
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3300 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Core 2 Duo | AMD Turion II Ultra |
| Power efficiency | 0.97 | no data |
| Designer | Intel | AMD |
| Architecture codename | Merom (2006−2008) | Caspian (2009) |
| Release date | no data | 10 September 2009 (16 years ago) |
Detailed specifications
Core 2 Duo L7700 and Turion II Ultra M640 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 | 1.8 GHz | no data |
| Boost clock speed | 1.8 GHz | 2.6 GHz |
| Bus rate | 800 MHz | 3600 MHz |
| L2 cache | no data | 2 MB |
| L3 cache | 4 MB L2 Cache | no data |
| Chip lithography | 65 nm | 45 nm |
| Maximum core temperature | 100 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.9V-1.2V | no data |
Compatibility
Information on Core 2 Duo L7700 and Turion II Ultra M640 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 | no data | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 17 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo L7700 and Turion II Ultra M640. 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 |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo L7700 and Turion II Ultra M640 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 L7700 and Turion II Ultra M640 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo L7700 and Turion II Ultra M640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Pros & cons summary
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 17 Watt | 35 Watt |
Core 2 Duo L7700 has 106% lower power consumption.
Turion II Ultra M640, on the other hand, has a 44% more advanced lithography process.
We couldn't decide between Intel Core 2 Duo L7700 and AMD Turion II Ultra M640. We've got no test results to judge.
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