Atom E640T vs Athlon 650
Primary details
Comparing Athlon 650 and Atom E640T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Architecture codename | Thunderbird (1999−2000) | Tunnel Creek (2010) |
| Release date | 9 August 1999 (25 years ago) | 14 September 2010 (14 years ago) |
| Launch price (MSRP) | $849 | no data |
Detailed specifications
Athlon 650 and Atom E640T 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) | 1 (Single-Core) |
| Threads | 1 | 2 |
| Boost clock speed | 0.65 GHz | 1 GHz |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 512 KB | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 180 nm | 45 nm |
| Die size | 184 mm2 | 26 mm2 |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 22 million | 47 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 650 and Atom E640T 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 | 1 |
| Socket | A | Intel BGA 676 |
| Power consumption (TDP) | 48 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 650 and Atom E640T. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 650 and Atom E640T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel GMA 600 |
Pros & cons summary
| Recency | 9 August 1999 | 14 September 2010 |
| Threads | 1 | 2 |
| Chip lithography | 180 nm | 45 nm |
| Power consumption (TDP) | 48 Watt | 3 Watt |
Atom E640T has an age advantage of 11 years, 100% more threads, a 300% more advanced lithography process, and 1500% lower power consumption.
We couldn't decide between Athlon 650 and Atom E640T. We've got no test results to judge.
Note that Athlon 650 is a desktop processor while Atom E640T is a notebook one.
Should you still have questions on choice between Athlon 650 and Atom E640T, ask them in Comments section, and we shall answer.
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