Athlon II X4 640 vs Celeron D 350
Primary details
Comparing Celeron D 350 and Athlon II X4 640 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2195 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 2.92 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 1.41 |
| Architecture codename | Prescott (2001−2005) | Propus (2009−2011) |
| Release date | June 2005 (19 years ago) | 11 May 2010 (14 years ago) |
| Launch price (MSRP) | no data | $80 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Celeron D 350 and Athlon II X4 640 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 |
| Base clock speed | 3.2 GHz | 3 GHz |
| Boost clock speed | 3.2 GHz | 3 GHz |
| L1 cache | 16 KB | 128 KB (per core) |
| L2 cache | 256 KB | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 45 nm |
| Die size | 109 mm2 | 169 mm2 |
| Maximum core temperature | 67 °C | no data |
| Number of transistors | 125 million | 300 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.25V-1.4V | no data |
Compatibility
Information on Celeron D 350 and Athlon II X4 640 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 | PPGA478 | AM3 |
| Power consumption (TDP) | 73 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron D 350 and Athlon II X4 640. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Celeron D 350 and Athlon II X4 640 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron D 350 and Athlon II X4 640 are enumerated here.
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron D 350 and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2 | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Celeron D 350 and Athlon II X4 640.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Physical cores | 1 | 4 |
| Threads | 1 | 4 |
| Chip lithography | 90 nm | 45 nm |
| Power consumption (TDP) | 73 Watt | 95 Watt |
Celeron D 350 has 30.1% lower power consumption.
Athlon II X4 640, on the other hand, has 300% more physical cores and 300% more threads, and a 100% more advanced lithography process.
We couldn't decide between Celeron D 350 and Athlon II X4 640. We've got no test results to judge.
Should you still have questions on choice between Celeron D 350 and Athlon II X4 640, ask them in Comments section, and we shall answer.
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