Athlon II M340 vs Celeron M 585
Primary details
Comparing Celeron M 585 and Athlon II M340 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 2761 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | AMD Athlon II |
| Architecture codename | Merom (2006−2008) | Caspian (2009) |
| Release date | 20 August 2008 (15 years ago) | 10 September 2009 (14 years ago) |
| Launch price (MSRP) | $70 | no data |
| Current price | $15.56 (0.2x MSRP) | $155 |
Detailed specifications
Celeron M 585 and Athlon II M340 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 | 2.2 GHz |
| Bus support | 667 MHz | 3200 MHz |
| L1 cache | no data | 128 KB |
| L2 cache | 1 MB | 1 MB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 143 mm2 | no data |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Celeron M 585 and Athlon II M340 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) |
| Power consumption (TDP) | 31 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 585 and Athlon II M340. 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, DDR2 400 MHz Memory Controller |
| PowerNow | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 585 and Athlon II M340. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Athlon II M340 outperforms Celeron M 585 by 19% in Passmark.
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) | 31 Watt | 35 Watt |
We couldn't decide between Celeron M 585 and Athlon II M340. We've got no test results to judge.
Should you still have questions on choice between Celeron M 585 and Athlon II M340, ask them in Comments section, and we shall answer.
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