Intel Atom серии Z2520 vs Intel Atom серии Z2420: comparison
Comparison of Intel Atom серии Z2520 and Intel Atom серии Z2420: key differences and a full specification table.
Key differences
Intel Atom серии Z2520 has more cores (2 vs 1), more threads (4 vs 2), a larger L3 cache (1 MB vs 512 KB) and a higher maximum memory size (2 GB vs 1 GB).
Both processors match on: process node (32 nm), memory channels (2).
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 Z2520 | Intel Atom серии Z2420 |
|---|---|---|
| Cores / threads | 2 / 4 | 1 / 2 |
| L3 cache | 1 MB | 512 KB |
| Process | 32 nm | 32 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 Z2520 | Intel Atom серии Z2420 |
|---|---|---|
| General | ||
| Model | Z2520 | Z2420 |
| Codename | Cloverview | Penwell |
| Segment | Mobile | Mobile |
| Product line | Процессоры Intel Atom серии Z | Процессоры Intel Atom серии Z |
| Process | 32 nm | 32 nm |
| Launch date | Q2 2013 | Q1 2013 |
| Status | Discontinued | Discontinued |
| Expected discontinuance | — | 07/04/2014 |
| Embedded options available | No | No |
| CPU | ||
| Cores | 2 | 1 |
| Threads | 4 | 2 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 1.2 GHz | — |
| L3 cache | 1 MB | 512 KB |
| Instruction set width | 32 bit | 32 bit |
| Instruction set extensions | SSE2, SSE3, SSSE3 | SSE, SSE2, SSE3 |
| Burst frequency | — | 1.2 GHz |
| Memory | ||
| Max memory size | 2 GB | 1 GB |
| Memory types | LPDDR2 | LPDDR2 |
| Memory channels | 2 | 2 |
| Max memory bandwidth | 8.5 GB/s | 6.4 GB/s |
| Physical address extensions | 32-bit | 32-bit |
| Graphics | ||
| Graphics base frequency | 300 MHz | 400 MHz |
| Max displays | 2 | 2 |
| I/O and interfaces | ||
| USB revision | 2 | 2 |
| USB ports | 2 | 1 |
| UART | 3 | 3 |
| General purpose I/O | — | 152 |
| Package and thermal | ||
| Sockets supported | FC-MB4760 | — |
| Max CPU configuration | 1 | 1 |
| Package size | 14mm x 14mm | 12mm x 12mm |
| TJUNCTION | 90 °C | 90 °C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | — |
| AES-NI | No | — |
| Execute Disable Bit | — | Yes |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |