Athlon II M340 vs Celeron M 340
Aggregate performance score
Athlon II M340 outperforms Celeron M 340 by a whopping 257% based on our aggregate benchmark results.
Primary details
Comparing Celeron M 340 and Athlon II M340 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3335 | 2890 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Celeron M | AMD Athlon II |
| Power efficiency | 0.64 | 1.36 |
| Architecture codename | Banias (2003) | Caspian (2009) |
| Release date | no data | 10 September 2009 (15 years ago) |
Detailed specifications
Celeron M 340 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 |
| Base clock speed | 1.5 GHz | no data |
| Boost clock speed | 1.5 GHz | 2.2 GHz |
| Bus rate | 400 MHz | 3200 MHz |
| L1 cache | no data | 128 KB |
| L2 cache | no data | 1 MB |
| L3 cache | 512 KB L2 | no data |
| Chip lithography | 130 nm | 45 nm |
| Maximum core temperature | 100 °C | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.356V | no data |
Compatibility
Information on Celeron M 340 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) | 24.5 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 340 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 |
| PowerNow | - | + |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Celeron M 340 and Athlon II M340 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 Celeron M 340 and Athlon II M340 are enumerated here.
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 340 and Athlon II M340. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Pros & cons summary
| Performance score | 0.14 | 0.50 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 130 nm | 45 nm |
| Power consumption (TDP) | 24 Watt | 35 Watt |
Celeron M 340 has 45.8% lower power consumption.
Athlon II M340, on the other hand, has a 257.1% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 188.9% more advanced lithography process.
The Athlon II M340 is our recommended choice as it beats the Celeron M 340 in performance tests.
Should you still have questions on choice between Celeron M 340 and Athlon II M340, ask them in Comments section, and we shall answer.
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