Atom D2550 vs Celeron M 900
Aggregate performance score
Atom D2550 outperforms Celeron M 900 by a whopping 225% based on our aggregate benchmark results.
Primary details
Comparing Celeron M 900 and Atom D2550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3386 | 3139 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | Intel Atom |
| Power efficiency | 0.22 | 2.46 |
| Architecture codename | Penryn (2008−2011) | Cedarview (2011−2012) |
| Release date | 1 April 2009 (15 years ago) | 1 November 2011 (13 years ago) |
| Launch price (MSRP) | $70 | no data |
Detailed specifications
Celeron M 900 and Atom D2550 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) | 2 (Dual-core) |
| Threads | 1 | 4 |
| Base clock speed | no data | 1.86 GHz |
| Boost clock speed | 2.2 GHz | 1.87 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 1 MB | 512K (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 107 mm2 | 66 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 410 Million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 900 and Atom D2550 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 | no data | 1 |
| Socket | PGA478 | FCBGA559 |
| Power consumption (TDP) | 35 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 900 and Atom D2550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| PAE | no data | 36 Bit |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 900 and Atom D2550 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
| VT-i | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 900 and Atom D2550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 4 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Graphics Media Accelerator (GMA) 3650 |
Graphics interfaces
Available interfaces and connections of Celeron M 900 and Atom D2550 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Celeron M 900 and Atom D2550.
| PCI Express lanes | no data | 4 |
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 | 0.08 | 0.26 |
| Recency | 1 April 2009 | 1 November 2011 |
| Physical cores | 1 | 2 |
| Threads | 1 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 10 Watt |
Atom D2550 has a 225% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 300% more threads, a 40.6% more advanced lithography process, and 250% lower power consumption.
The Atom D2550 is our recommended choice as it beats the Celeron M 900 in performance tests.
Should you still have questions on choice between Celeron M 900 and Atom D2550, ask them in Comments section, and we shall answer.
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