Athlon 900 vs Core 2 Extreme QX6850
Primary details
Comparing Core 2 Extreme QX6850 and Athlon 900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2049 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.69 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Extreme (Desktop) | no data |
| Architecture codename | Kentsfield (2007) | Thunderbird (2000) |
| Release date | no data | June 2000 (23 years ago) |
| Current price | $385 | $4.95 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Extreme QX6850 and Athlon 900 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Boost clock speed | 3 GHz | 0.9 GHz |
| Bus support | 1333 MHz | no data |
| L1 cache | no data | 128 KB |
| L2 cache | no data | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 180 nm |
| Die size | no data | 120 mm2 |
| Number of transistors | no data | 37 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core 2 Extreme QX6850 and Athlon 900 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 | no data | A |
| Power consumption (TDP) | 130 Watt | 50 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX6850 and Athlon 900. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1 |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 65 nm | 180 nm |
| Power consumption (TDP) | 130 Watt | 50 Watt |
We couldn't decide between Core 2 Extreme QX6850 and Athlon 900. We've got no test results to judge.
Should you still have questions on choice between Core 2 Extreme QX6850 and Athlon 900, ask them in Comments section, and we shall answer.
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