Atom D2550 vs Celeron 2955U
Aggregate performance score
Celeron 2955U outperforms Atom D2550 by a whopping 112% based on our aggregate benchmark results.
Primary details
Comparing Celeron 2955U and Atom D2550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2844 | 3154 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Intel Atom |
| Power efficiency | 3.47 | 2.46 |
| Architecture codename | Haswell (2013−2015) | Cedarview (2011−2012) |
| Release date | 1 September 2013 (11 years ago) | 1 November 2011 (13 years ago) |
Detailed specifications
Celeron 2955U 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 4 |
| Base clock speed | 1.4 GHz | 1.86 GHz |
| Boost clock speed | 1.4 GHz | 1.87 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 512K (per core) |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 22 nm | 32 nm |
| Die size | 118 mm2 | 66 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 105 °C | no data |
| Number of transistors | 1,400 million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron 2955U 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 | 1 | 1 |
| Socket | FCBGA1168 | FCBGA559 |
| Power consumption (TDP) | 15 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 2955U and Atom D2550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Smart Response | - | no data |
| PAE | no data | 36 Bit |
| GPIO | + | no data |
| Smart Connect | + | no data |
| FDI | - | no data |
| AMT | 9.5 | no data |
| Matrix Storage | - | no data |
| HD Audio | + | no data |
| RST | + | no data |
Security technologies
Celeron 2955U and Atom D2550 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | - | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 2955U and Atom D2550 are enumerated here.
| AMD-V | + | - |
| VT-d | - | - |
| VT-x | + | - |
| VT-i | no data | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 2955U and Atom D2550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 16 GB | 4 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 25.6 GB/s | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics for 4th Generation Intel Processors | Intel Graphics Media Accelerator (GMA) 3650 (640 MHz) |
| Clear Video | + | no data |
| Graphics max frequency | 1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 2955U and Atom D2550 integrated GPUs.
| Number of displays supported | 3 | 2 |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
Peripherals
Specifications and connection of peripherals supported by Celeron 2955U and Atom D2550.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 10 | 4 |
| PCI support | - | no data |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Integrated IDE | - | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
| UART | + | 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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.55 | 0.26 |
| Recency | 1 September 2013 | 1 November 2011 |
| Threads | 2 | 4 |
| Chip lithography | 22 nm | 32 nm |
| Power consumption (TDP) | 15 Watt | 10 Watt |
Celeron 2955U has a 111.5% higher aggregate performance score, an age advantage of 1 year, and a 45.5% more advanced lithography process.
Atom D2550, on the other hand, has 100% more threads, and 50% lower power consumption.
The Celeron 2955U is our recommended choice as it beats the Atom D2550 in performance tests.
Should you still have questions on choice between Celeron 2955U and Atom D2550, ask them in Comments section, and we shall answer.
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