Turion II Ultra M640 vs A8-5545M
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2680 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | AMD Turion II Ultra |
| Power efficiency | 1.57 | no data |
| Designer | AMD | AMD |
| Architecture codename | Richland (2013−2014) | Caspian (2009) |
| Release date | 1 June 2013 (12 years ago) | 10 September 2009 (15 years ago) |
Detailed specifications
A8-5545M 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 1.7 GHz | no data |
| Boost clock speed | 2.7 GHz | 2.6 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 1 MB (per core) | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 246 mm2 | no data |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A8-5545M 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.
| Number of CPUs in a configuration | 1 | no data |
| Socket | FP2 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-5545M and Turion II Ultra M640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| PowerNow | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-5545M and Turion II Ultra M640 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-5545M and Turion II Ultra M640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8510G (450 - 554 MHz) | no data |
Pros & cons summary
| Recency | 1 June 2013 | 10 September 2009 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 25 Watt | 35 Watt |
A8-5545M has an age advantage of 3 years, 100% more physical cores and 100% more threads, a 40.6% more advanced lithography process, and 40% lower power consumption.
We couldn't decide between AMD A8-5545M and AMD Turion II Ultra M640. We've got no test results to judge.
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