Pentium M 745 vs Atom E3845
Primary details
Comparing Atom E3845 and Pentium M 745 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2739 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Atom | Pentium M |
| Power efficiency | 6.25 | no data |
| Architecture codename | Bay Trail-I (2013) | Dothan (2004−2005) |
| Release date | 8 October 2013 (11 years ago) | 10 May 2004 (20 years ago) |
Detailed specifications
Atom E3845 and Pentium M 745 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | no data | 1.8 GHz |
| Boost clock speed | 1.91 GHz | 1.8 GHz |
| Bus rate | no data | 400 MHz |
| L1 cache | 64 KB (per core) | 32 KB |
| L2 cache | 512 KB (per core) | 2 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 22 nm | 90 nm |
| Die size | no data | 87 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | no data | 144 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.276V-1.34V |
Compatibility
Information on Atom E3845 and Pentium M 745 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | Intel BGA1170 | H-PBGA479,PPGA478 |
| Power consumption (TDP) | 10 Watt | 7.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E3845 and Pentium M 745. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | - |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Atom E3845 and Pentium M 745 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E3845 and Pentium M 745 are enumerated here.
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E3845 and Pentium M 745. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics | On certain motherboards (Chipset feature) |
Pros & cons summary
| Recency | 8 October 2013 | 10 May 2004 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 22 nm | 90 nm |
| Power consumption (TDP) | 10 Watt | 7 Watt |
Atom E3845 has an age advantage of 9 years, 300% more physical cores and 300% more threads, and a 309.1% more advanced lithography process.
Pentium M 745, on the other hand, has 42.9% lower power consumption.
We couldn't decide between Atom E3845 and Pentium M 745. We've got no test results to judge.
Should you still have questions on choice between Atom E3845 and Pentium M 745, ask them in Comments section, and we shall answer.
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