Athlon 64 X2 4400+ vs Core 2 Quad Q9550
Primary details
Comparing Core 2 Quad (Desktop) Q9550 and Athlon 64 X2 (Desktop) 4400+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2155 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Quad (Desktop) | 2x Athlon 64 (Desktop) |
| Power efficiency | 1.47 | no data |
| Architecture codename | Yorkfield (2007−2009) | Windsor (2006−2007) |
| Release date | no data (2024 years ago) | no data (2024 years ago) |
Detailed specifications
Core 2 Quad (Desktop) Q9550 and Athlon 64 X2 (Desktop) 4400+ 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Boost clock speed | 2.83 GHz | 2.2 GHz |
| Bus rate | 1333 MHz | 1000 MHz |
| L2 cache | 12288 KB | no data |
| Chip lithography | 45 nm | 90 nm |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core 2 Quad (Desktop) Q9550 and Athlon 64 X2 (Desktop) 4400+ 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.
| Socket | LGA775 | no data |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Athlon 64 X2 (Desktop) 4400+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1,DDR2,DDR3 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Core 2 Quad Q9550 has 100% more physical cores and 100% more threads, and a 100% more advanced lithography process.
Athlon 64 X2 4400+, on the other hand, has 46.2% lower power consumption.
We couldn't decide between Core 2 Quad Q9550 and Athlon 64 X2 4400+. We've got no test results to judge.
Should you still have questions on choice between Core 2 Quad Q9550 and Athlon 64 X2 4400+, ask them in Comments section, and we shall answer.
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