Phenom X4 9750B vs Athlon 900
Primary details
Comparing Athlon 900 and Phenom X4 9750B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2489 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 0.95 |
| Architecture codename | Thunderbird (1999−2000) | Agena (2007−2008) |
| Release date | 6 March 2000 (24 years ago) | August 2008 (16 years ago) |
| Launch price (MSRP) | $899 | no data |
Detailed specifications
Athlon 900 and Phenom X4 9750B 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) | 4 (Quad-Core) |
| Threads | 1 | 4 |
| Boost clock speed | 0.9 GHz | 2.4 GHz |
| L1 cache | 128 KB | 128 KB (per core) |
| L2 cache | 512 KB | 512 KB (per core) |
| L3 cache | 0 KB | 2 MB (shared) |
| Chip lithography | 180 nm | 65 nm |
| Die size | 102 mm2 | 285 mm2 |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 22 million | 450 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 900 and Phenom X4 9750B 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 | AM2+ |
| Power consumption (TDP) | 60 Watt | 95 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 900 and Phenom X4 9750B are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 900 and Phenom X4 9750B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Pros & cons summary
| Physical cores | 1 | 4 |
| Threads | 1 | 4 |
| Chip lithography | 180 nm | 65 nm |
| Power consumption (TDP) | 60 Watt | 95 Watt |
Athlon 900 has 58.3% lower power consumption.
Phenom X4 9750B, on the other hand, has 300% more physical cores and 300% more threads, and a 176.9% more advanced lithography process.
We couldn't decide between Athlon 900 and Phenom X4 9750B. We've got no test results to judge.
Should you still have questions on choice between Athlon 900 and Phenom X4 9750B, ask them in Comments section, and we shall answer.
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