Atom Z650 vs Duo U2400
Primary details
Comparing Core Duo U2400 and Atom Z650 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Core Duo | Intel Atom |
| Architecture codename | Yonah (2005−2006) | Lincroft (2010−2011) |
| Release date | no data (2024 years ago) | 11 April 2011 (13 years ago) |
Detailed specifications
Core Duo U2400 and Atom Z650 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 2 |
| Base clock speed | 1.06 GHz | 1.2 GHz |
| Boost clock speed | 1.06 GHz | 1.2 GHz |
| Bus type | no data | cDMI |
| Bus rate | 533 MHz | 400 MT/s |
| Multiplier | no data | 8 |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | 2 MB L2 KB | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | no data | 65 mm2 |
| Maximum core temperature | 100 °C | 90 °C |
| Number of transistors | no data | 140 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.8-1.1V | no data |
Compatibility
Information on Core Duo U2400 and Atom Z650 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 | no data | 1 (Uniprocessor) |
| Socket | PBGA479 | T-PBGA518 |
| Power consumption (TDP) | 9 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Duo U2400 and Atom Z650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | - | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Core Duo U2400 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Duo U2400 and Atom Z650 are enumerated here.
| VT-d | no data | - |
| VT-x | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Duo U2400 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
| Maximum memory size | no data | 2.93 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX535 |
Graphics interfaces
Available interfaces and connections of Core Duo U2400 and Atom Z650 integrated GPUs.
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core Duo U2400 and Atom Z650.
| PCI support | no data | - |
Pros & cons summary
| Physical cores | 2 | 1 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 9 Watt | 3 Watt |
Duo U2400 has 100% more physical cores.
Atom Z650, on the other hand, has a 44.4% more advanced lithography process, and 200% lower power consumption.
We couldn't decide between Core Duo U2400 and Atom Z650. We've got no test results to judge.
Should you still have questions on choice between Core Duo U2400 and Atom Z650, ask them in Comments section, and we shall answer.
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