Intel Atom серии E640 vs Intel Atom серии E640T: comparison
Comparison of Intel Atom серии E640 and Intel Atom серии E640T: key differences and a full specification table.
Key differences
Both processors match on: core count (1), thread count (2), base clock (1 GHz), TDP (3.6 W), process node (45 nm), maximum memory size (2 GB), memory channels (1), PCIe version (1).
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 E640 | Intel Atom серии E640T |
|---|---|---|
| Cores / threads | 1 / 2 | 1 / 2 |
| TDP | 3.6 W | 3.6 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 E640 | Intel Atom серии E640T |
|---|---|---|
| General | ||
| Model | E640 | E640T |
| Codename | Tunnel Creek | Tunnel Creek |
| Segment | Embedded | Embedded |
| Product line | Устаревшие процессоры Intel Atom | Устаревшие процессоры Intel Atom |
| Process | 45 nm | 45 nm |
| Launch date | Q3 2010 | Q3 2010 |
| Status | Discontinued | Discontinued |
| Servicing status | End of Servicing Updates | End of Servicing Updates |
| Embedded options available | Yes | Yes |
| Use conditions | Industrial Commercial Temp | Industrial Commercial Temp, Industrial Extended Temp |
| CPU | ||
| Cores | 1 | 1 |
| Threads | 2 | 2 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 1 GHz | 1 GHz |
| L2 cache | 512 KB | 512 KB |
| Bus speed | 2.5 GHz | 2.5 GHz |
| TDP | 3.6 W | 3.6 W |
| Turbo Boost | No | No |
| 64-bit support | No | No |
| Instruction set width | 32 bit | 32 bit |
| FSB parity | No | No |
| Memory | ||
| Max memory size | 2 GB | 2 GB |
| Memory types | DDR2 | DDR2 |
| Memory channels | 1 | 1 |
| ECC memory supported | No | No |
| Graphics | ||
| Graphics base frequency | 320 MHz | 320 MHz |
| I/O and interfaces | ||
| PCI Express revision | 1 | 1 |
| PCI Express lanes | 4 | 4 |
| PCI Express configurations | x1, root complex only | x1, root complex only |
| Package and thermal | ||
| Sockets supported | FCBGA676 | FCBGA676 |
| Package size | 22mmx22mm | 22mmx22mm |
| TJUNCTION | 90 °C | 110 °C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | 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 | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |