Intel Atom E620T vs Intel Atom E640T
Comparative analysis of Intel Atom E620T and Intel Atom E640T processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.
Differences
Reasons to consider the Intel Atom E620T
- Around 33% lower typical power consumption: 3.3 Watt vs 3.6 Watt
| Thermal Design Power (TDP) | 3.3 Watt vs 3.6 Watt |
Compare specifications (specs)
| Intel Atom E620T | Intel Atom E640T | |
|---|---|---|
Essentials |
||
| Architecture codename | Tunnel Creek | Tunnel Creek |
| Launch date | September 2010 | September 2010 |
| Place in performance rating | not rated | not rated |
| Processor Number | E620T | E640T |
| Series | Legacy Intel Atom® Processors | Legacy Intel Atom® Processors |
| Status | Launched | Launched |
| Vertical segment | Embedded | Embedded |
Performance |
||
| Base frequency | 600 MHz | 1.00 GHz |
| Bus Speed | 2500 MHz PCIE | 2500 MHz PCIE |
| Die size | 26 mm | 26 mm |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| Manufacturing process technology | 45 nm | 45 nm |
| Maximum core temperature | 110°C | 110°C |
| Maximum frequency | 0 GHz | 1 GHz |
| Number of cores | 1 | 1 |
| Number of threads | 2 | 2 |
| Transistor count | 47 million | 47 million |
| VID voltage range | VCC (0.75 - 0.9V), VNN (0.75 - 1.1V) | VCC (0.75 - 0.9V), VNN (0.75 - 1.1V) |
Memory |
||
| Max memory channels | 1 | 1 |
| Maximum memory size | 2 GB | 2 GB |
| Supported memory types | DDR2 800 | DDR2 800 |
Graphics |
||
| Graphics base frequency | 320 MHz | 320 MHz |
| Processor graphics | Integrated | Integrated |
Compatibility |
||
| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 22mmx22mm | 22mmx22mm |
| Sockets supported | FCBGA676 | FCBGA676 |
| Thermal Design Power (TDP) | 3.3 Watt | 3.6 Watt |
Peripherals |
||
| Max number of PCIe lanes | 4 | 4 |
| PCI Express revision | 1.0a | 1.0a |
| PCIe configurations | x1, root complex only | x1, root complex only |
Security & Reliability |
||
| Execute Disable Bit (EDB) | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
||
| Enhanced Intel SpeedStep® technology | ||
| FSB parity | ||
| Idle States | ||
| Intel 64 | ||
| Intel® Demand Based Switching | ||
| Intel® Hyper-Threading technology | ||
| Intel® Turbo Boost technology | ||
| Thermal Monitoring | ||
Virtualization |
||
| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
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