| Product | Atom Z2520 | Atom Z3745 |
| Brand | Intel | Intel |
| Street Price (Approx) | Search low Atom Z2520 price (Amazon) | ~ $30 Search low Atom Z3745 price (Amazon) |
| # CPU Cores | 2 | 4 |
| Frequency (GHz) | 1.2 GHz | 1.33 GHz |
| Cache (MB) | 1 | |
| Product Segment | Mobile | Mobile |
| Status | Released | Released |
| Announced On | 2013-03-01 | 2014-01-01 |
| Technicals | Atom Z2520 | Atom Z3745 |
| Dimensions (2D) | 14x14 mm | 17x17 mm |
| Conflict Free? | 1 | 1 |
| # CPU Cores | 2 | 4 |
| Threads/Core | 4 | 4 |
| Frequency (GHz) | 1.2 GHz | 1.33 GHz |
| Cache (MB) | 1 | |
| Cache L2 (MB) | 2 | |
| Instructions Width (bits) | 32 | 64 |
| Instructions Extensions | SSE2, SSE3, SSSE3 | |
| Lithography Process (nm) | 32 nm | 22 nm |
| Max RAM | 2 GB | 4 GB |
| RAM Types | LPDDR2 1066 | LPDDR3 1066 |
| # Memory Channels | 2 | 2 |
| Memory Bandwidth (GB/Sec) | 8.5GB/s | 17.1GB/s |
| Max CPU Temp. | 90 | 90 |
| Max CPU / Package | 1 | |
| Compatible Sockets | FC-MB4760 | UTFCBGA1380 |
| Intel Hyper-Thread | Yes | |
| Intel Virtualization (VTX) | Yes | Yes |
| Intel 64 | Yes | |
| Idle States | Yes | |
| Thermal MonitoringTech. | Yes | |
| Intel ID Protect | Yes | |
| Intel AES New Instructions | No | Yes |