Intel Atom серии Z515 vs Intel Atom серии Z550: comparison
Comparison of Intel Atom серии Z515 and Intel Atom серии Z550: key differences and a full specification table.
Key differences
Intel Atom серии Z515 has a lower TDP (1.4 W vs 2.4 W).
At the same time, Intel Atom серии Z550 has a higher base clock (2 GHz vs 1.2 GHz).
Both processors match on: core count (1), thread count (2), process node (45 nm).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Atom серии Z515 | Intel Atom серии Z550 |
|---|---|---|
| Cores / threads | 1 / 2 | 1 / 2 |
| TDP | 1.4 W | 2.4 W |
| Process | 45 nm | 45 nm |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Atom серии Z515 | Intel Atom серии Z550 |
|---|---|---|
| General | ||
| Model | Z515 | Z550 |
| Codename | Silverthorne | Silverthorne |
| Segment | Mobile | Mobile |
| Product line | Устаревшие процессоры Intel Atom | Устаревшие процессоры Intel Atom |
| Process | 45 nm | 45 nm |
| Launch date | Q2 2009 | Q2 2009 |
| Status | Discontinued | Discontinued |
| Servicing status | End of Servicing Updates | End of Servicing Updates |
| Embedded options available | No | No |
| CPU | ||
| Cores | 1 | 1 |
| Threads | 2 | 2 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 1.2 GHz | 2 GHz |
| L2 cache | 512 KB | 512 KB |
| Bus speed | 400 MHz | 533 MHz |
| TDP | 1.4 W | 2.4 W |
| Turbo Boost | No | No |
| 64-bit support | No | No |
| Instruction set width | 32 bit | 32 bit |
| Instruction set extensions | SSE2, SSE3, SSSE3 | — |
| FSB parity | No | No |
| Package and thermal | ||
| Sockets supported | PBGA441 | PBGA441 |
| Package size | 13mm x 14mm | 13mm x 14mm |
| TJUNCTION | 90 °C | 90 °C |
| Die size | 26 mm² | 26 mm² |
| Transistors (millions) | 47 million | 47 million |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | No | Yes |
| Virtualization for Directed I/O (VT-d) | No | No |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Technologies | ||
| Enhanced SpeedStep | — | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |