Atom Z615 vs Celeron M 900
Primary details
Comparing Celeron M 900 and Atom Z615 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 | Penryn (2008−2011) | Lincroft (2010−2011) |
| Release date | 1 April 2009 (15 years ago) | 4 May 2010 (14 years ago) |
| Launch price (MSRP) | $70 | no data |
Detailed specifications
Celeron M 900 and Atom Z615 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) | 1 (Single-Core) |
| Threads | 1 | 2 |
| Base clock speed | no data | 1.6 GHz |
| Boost clock speed | 2.2 GHz | 1.2 GHz |
| Bus type | no data | cDMI |
| Bus rate | 800 MHz | 400 MT/s |
| Multiplier | no data | 12 |
| L1 cache | no data | 56 KB |
| L2 cache | 1 MB | 512 KB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | 65.2526 mm2 |
| Maximum core temperature | 105 °C | +90 °C |
| Number of transistors | 410 Million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 900 and Atom Z615 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 (Uniprocessor) |
| Socket | PGA478 | T-PBGA518 |
| Power consumption (TDP) | 35 Watt | 2.2 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 900 and Atom Z615. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | - |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| GPIO | no data | + |
| FDI | no data | - |
| Fast Memory Access | no data | - |
| AMT | no data | - |
| Matrix Storage | no data | - |
| Quiet System | no data | - |
| I/O Acceleration | no data | - |
| Quick Resume | no data | - |
| HD Audio | no data | - |
Security technologies
Celeron M 900 and Atom Z615 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 Celeron M 900 and Atom Z615 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 900 and Atom Z615. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
| Maximum memory size | no data | 2 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX535 |
| Max video memory | no data | 256 MB |
| Clear Video | no data | + |
Graphics interfaces
Available interfaces and connections of Celeron M 900 and Atom Z615 integrated GPUs.
| LVDS | no data | + |
| MIPI | no data | + |
Peripherals
Specifications and connection of peripherals supported by Celeron M 900 and Atom Z615.
| PCIe version | no data | None |
| PCI support | no data | - |
| USB revision | no data | 2.0 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | no data | + |
Pros & cons summary
| Recency | 1 April 2009 | 4 May 2010 |
| Threads | 1 | 2 |
| Power consumption (TDP) | 35 Watt | 2 Watt |
Atom Z615 has an age advantage of 1 year, 100% more threads, and 1650% lower power consumption.
We couldn't decide between Celeron M 900 and Atom Z615. We've got no test results to judge.
Should you still have questions on choice between Celeron M 900 and Atom Z615, ask them in Comments section, and we shall answer.
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