A8-4557M vs Core 2 Duo T6400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3255 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | AMD A-Series |
| Power efficiency | 0.51 | no data |
| Designer | Intel | AMD |
| Architecture codename | Penryn (2008−2011) | Trinity (2012−2013) |
| Release date | 1 January 2009 (17 years ago) | 15 May 2012 (13 years ago) |
Detailed specifications
Core 2 Duo T6400 and A8-4557M 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 2 GHz | 1.9 GHz |
| Boost clock speed | 2 GHz | 2.8 GHz |
| Bus rate | 800 MHz | no data |
| L2 cache | 2 MB | 4 MB |
| L3 cache | 2 MB L2 Cache | no data |
| Chip lithography | 45 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | no data | 1303 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1V-1.25V | no data |
Compatibility
Information on Core 2 Duo T6400 and A8-4557M 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 | PGA478 | BGA |
| Power consumption (TDP) | 35 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and A8-4557M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Demand Based Switching | - | no data |
Security technologies
Core 2 Duo T6400 and A8-4557M 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 T6400 and A8-4557M are enumerated here.
| VT-x | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7640G (497 - 655 MHz) |
Pros & cons summary
| Recency | 1 January 2009 | 15 May 2012 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 32 nm |
A8-4557M has an age advantage of 3 years, 100% more physical cores and 100% more threads, and a 41% more advanced lithography process.
We couldn't decide between Intel Core 2 Duo T6400 and AMD A8-4557M. We've got no test results to judge.
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