Turion II Ultra M640 vs Celeron M 585
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3259 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | AMD Turion II Ultra |
| Designer | Intel | AMD |
| Architecture codename | Merom (2006−2008) | Caspian (2009) |
| Release date | 20 August 2008 (17 years ago) | 10 September 2009 (16 years ago) |
| Launch price (MSRP) | $70 | no data |
Detailed specifications
Celeron M 585 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 2.16 GHz | 2.6 GHz |
| Bus rate | 667 MHz | 3600 MHz |
| L2 cache | 1 MB | 2 MB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 143 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 585 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 | PPGA478 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 1 MB | 2 MB |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 585 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 | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 585 and Turion II Ultra M640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Pros & cons summary
| Recency | 20 August 2008 | 10 September 2009 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 1 Watt | 2 Watt |
Celeron M 585 has 100% lower power consumption.
Turion II Ultra M640, on the other hand, has an age advantage of 1 year, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
We couldn't decide between Intel Celeron M 585 and AMD Turion II Ultra M640. We've got no test results to judge.
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