Celeron 450 vs Athlon II X2 270u
Aggregate performance score
Athlon II X2 270u outperforms Celeron 450 by an impressive 56% based on our aggregate benchmark results.
Primary details
Comparing Athlon II X2 270u and Celeron 450 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2981 | 3140 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.59 | 0.73 |
| Architecture codename | Regor (2009−2013) | Conroe-L (2007−2008) |
| Release date | 21 September 2010 (14 years ago) | August 2008 (16 years ago) |
| Launch price (MSRP) | $68 | no data |
Detailed specifications
Athlon II X2 270u and Celeron 450 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | no data | 2.2 GHz |
| Boost clock speed | 2 GHz | 2.2 GHz |
| L1 cache | 128 KB | 64 KB |
| L2 cache | 1 MB | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 117 mm2 | 77 mm2 |
| Maximum core temperature | no data | 60 °C |
| Number of transistors | 410 million | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1V-1.3375V |
Compatibility
Information on Athlon II X2 270u and Celeron 450 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 | AM3 | LGA775 |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X2 270u and Celeron 450. 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 | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Athlon II X2 270u and Celeron 450 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 Athlon II X2 270u and Celeron 450 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X2 270u and Celeron 450. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 | DDR1, DDR2, DDR3 |
Peripherals
Specifications and connection of peripherals supported by Athlon II X2 270u and Celeron 450.
| PCIe version | 2.0 | 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 0.42 | 0.27 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Athlon II X2 270u has a 55.6% higher aggregate performance score, 100% more physical cores and 100% more threads, a 44.4% more advanced lithography process, and 40% lower power consumption.
The Athlon II X2 270u is our recommended choice as it beats the Celeron 450 in performance tests.
Should you still have questions on choice between Athlon II X2 270u and Celeron 450, ask them in Comments section, and we shall answer.
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