Athlon 850 vs Athlon 64 X2 4200+
Primary details
Comparing Athlon 64 X2 4200+ and Athlon 850 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2925 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.49 | no data |
| Architecture codename | Manchester (2005−2006) | Thunderbird (1999−2000) |
| Release date | December 2006 (18 years ago) | 11 February 2000 (24 years ago) |
| Launch price (MSRP) | $309 | $849 |
Detailed specifications
Athlon 64 X2 4200+ and Athlon 850 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 2.2 GHz | 0.85 GHz |
| L1 cache | 256K | 128 KB |
| L2 cache | 512 KB | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 180 nm |
| Die size | 220 mm2 | 102 mm2 |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | 154 million | 22 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 X2 4200+ and Athlon 850 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 | 939 | A |
| Power consumption (TDP) | 89 Watt | 45 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 4200+ and Athlon 850. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 90 nm | 180 nm |
| Power consumption (TDP) | 89 Watt | 45 Watt |
Athlon 64 X2 4200+ has 100% more physical cores and 100% more threads, and a 100% more advanced lithography process.
Athlon 850, on the other hand, has 97.8% lower power consumption.
We couldn't decide between Athlon 64 X2 4200+ and Athlon 850. We've got no test results to judge.
Should you still have questions on choice between Athlon 64 X2 4200+ and Athlon 850, ask them in Comments section, and we shall answer.
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