Athlon 900 vs Core 2 Extreme QX6850
Primary details
Comparing Core 2 Extreme (Desktop) QX6850 and Athlon 900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2189 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Extreme (Desktop) | no data |
| Power efficiency | 1.05 | no data |
| Architecture codename | Kentsfield (2007) | Thunderbird (1999−2000) |
| Release date | no data | 6 March 2000 (24 years ago) |
| Launch price (MSRP) | no data | $899 |
Detailed specifications
Core 2 Extreme (Desktop) 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 rate | 1333 MHz | no data |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 8 MB (shared) | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 180 nm |
| Die size | 2x 143 mm2 | 102 mm2 |
| Maximum case temperature (TCase) | 64 °C | 70 °C |
| Number of transistors | 582 million | 22 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core 2 Extreme (Desktop) 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 | 1 | 1 |
| Socket | 775 | A |
| Power consumption (TDP) | 130 Watt | 60 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6850 and Athlon 900. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) QX6850 and Athlon 900. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 65 nm | 180 nm |
| Power consumption (TDP) | 130 Watt | 60 Watt |
Core 2 Extreme QX6850 has 300% more physical cores and 300% more threads, and a 176.9% more advanced lithography process.
Athlon 900, on the other hand, has 116.7% lower power consumption.
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.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
