Celeron M 523 vs Turion II Ultra M640
Primary details
Comparing Turion II Ultra M640 and Celeron M 523 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 | AMD Turion II Ultra | Celeron M |
| Architecture codename | Caspian (2009) | Merom-L (2007) |
| Release date | 10 September 2009 (15 years ago) | no data |
Detailed specifications
Turion II Ultra M640 and Celeron M 523 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 |
| Boost clock speed | 2.6 GHz | 0.93 GHz |
| Bus rate | 3600 MHz | 533 MHz |
| L2 cache | 2 MB | no data |
| Chip lithography | 45 nm | 65 nm |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Turion II Ultra M640 and Celeron M 523 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 | Socket S1 (s1g3) 638-pin | no data |
| Power consumption (TDP) | 35 Watt | 5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II Ultra M640 and Celeron M 523. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | no data |
| PowerNow | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M640 and Celeron M 523. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 5 Watt |
Turion II Ultra M640 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
Celeron M 523, on the other hand, has 600% lower power consumption.
We couldn't decide between Turion II Ultra M640 and Celeron M 523. We've got no test results to judge.
Should you still have questions on choice between Turion II Ultra M640 and Celeron M 523, ask them in Comments section, and we shall answer.
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