A8-4500M vs Phenom II X2 X640 BE
Aggregate performance score
A8-4500M outperforms Phenom II X2 X640 BE by a small 6% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 X640 BE and A8-4500M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2469 | 2433 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Phenom II | AMD A-Series |
| Power efficiency | 2.10 | 2.86 |
| Architecture codename | Champlain (2010−2011) | Trinity (2012−2013) |
| Release date | 12 May 2011 (13 years ago) | 15 May 2012 (12 years ago) |
Detailed specifications
Phenom II X2 X640 BE and A8-4500M 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 | no data | 1.9 GHz |
| Boost clock speed | 3.2 GHz | 2.8 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 192 KB |
| L2 cache | 2 MB | 4 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Number of transistors | no data | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 X640 BE and A8-4500M 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 | no data | 1 |
| Socket | S1 | FS1r2 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 X640 BE and A8-4500M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X2 X640 BE and A8-4500M are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and A8-4500M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | unknown |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7640G (496 - 685 MHz) |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Performance score | 1.00 | 1.06 |
| Recency | 12 May 2011 | 15 May 2012 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 45 Watt | 35 Watt |
A8-4500M has a 6% higher aggregate performance score, an age advantage of 1 year, 100% more physical cores and 100% more threads, a 40.6% more advanced lithography process, and 28.6% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Phenom II X2 X640 BE and A8-4500M.
Should you still have questions on choice between Phenom II X2 X640 BE and A8-4500M, ask them in Comments section, and we shall answer.
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