Atom D2500 vs Pentium U5400
Primary details
Comparing Pentium U5400 and Atom D2500 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 Pentium | Intel Atom |
| Architecture codename | Arrandale (2010−2011) | Cedarview (2011−2012) |
| Release date | 25 May 2010 (14 years ago) | 1 November 2011 (13 years ago) |
Detailed specifications
Pentium U5400 and Atom D2500 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 | 2 |
| Base clock speed | 1.2 GHz | 1.86 GHz |
| Boost clock speed | 0.1 GHz | 1.87 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | no data |
| Multiplier | 9 | no data |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 512 KB | 512K (per core) |
| L3 cache | 3 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 81+114 mm2 | 66 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 382 Million | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium U5400 and Atom D2500 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 (Uniprocessor) | 1 |
| Socket | BGA1288 | FCBGA559 |
| Power consumption (TDP) | 18 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium U5400 and Atom D2500. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| FMA | + | - |
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | no data | - |
| PAE | 36 Bit | 36 Bit |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| AMT | no data | - |
| HD Audio | no data | + |
Security technologies
Pentium U5400 and Atom D2500 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium U5400 and Atom D2500 are enumerated here.
| VT-d | - | - |
| VT-x | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium U5400 and Atom D2500. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 8 GB | 4 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 12.799 GB/s | 6.4 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | Intel GMA |
| Clear Video | + | no data |
| Graphics max frequency | 500 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium U5400 and Atom D2500 integrated GPUs.
| Number of displays supported | 2 | 2 |
Peripherals
Specifications and connection of peripherals supported by Pentium U5400 and Atom D2500.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | 4 |
| Total number of SATA ports | no data | 2 |
| Number of USB ports | no data | 8 |
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 | 25 May 2010 | 1 November 2011 |
| Power consumption (TDP) | 18 Watt | 10 Watt |
Atom D2500 has an age advantage of 1 year, and 80% lower power consumption.
We couldn't decide between Pentium U5400 and Atom D2500. We've got no test results to judge.
Should you still have questions on choice between Pentium U5400 and Atom D2500, ask them in Comments section, and we shall answer.
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