Atom D2550 vs Celeron M 585
Primary details
Comparing Celeron M 585 and Atom D2550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | Intel Atom |
| Architecture codename | Merom (2006−2008) | Cedarview (2011−2012) |
| Release date | 20 August 2008 (16 years ago) | 1 November 2011 (13 years ago) |
| Launch price (MSRP) | $70 | no data |
Detailed specifications
Celeron M 585 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 | 2.16 GHz | 1.87 GHz |
| Bus rate | 667 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 | 65 nm | 32 nm |
| Die size | 143 mm2 | 66 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 291 Million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 585 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 | PPGA478 | FCBGA559 |
| Power consumption (TDP) | 31 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 585 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) | no data | - |
| 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 585 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 585 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 585 and Atom D2550 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Celeron M 585 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.
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
| Recency | 20 August 2008 | 1 November 2011 |
| Physical cores | 1 | 2 |
| Threads | 1 | 4 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 31 Watt | 10 Watt |
Atom D2550 has an age advantage of 3 years, 100% more physical cores and 300% more threads, a 103.1% more advanced lithography process, and 210% lower power consumption.
We couldn't decide between Celeron M 585 and Atom D2550. We've got no test results to judge.
Should you still have questions on choice between Celeron M 585 and Atom D2550, ask them in Comments section, and we shall answer.
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