Atom Z620 vs i5-450M
Primary details
Comparing Core i5-450M and Atom Z620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2569 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i5 | Intel Atom |
| Architecture codename | Arrandale (2010−2011) | Lincroft (2010−2011) |
| Release date | 20 June 2010 (14 years ago) | 4 May 2010 (14 years ago) |
| Launch price (MSRP) | $32 | no data |
Detailed specifications
Core i5-450M and Atom Z620 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 | 4 | 2 |
| Base clock speed | 2.4 GHz | 0.9 GHz |
| Boost clock speed | 2.66 GHz | 900 MHz - 1600 MHz (1 core) |
| Bus type | DMI 1.0 | cDMI |
| Bus rate | 1 × 2.5 GT/s | 400 MT/s |
| Multiplier | 18 | 9 |
| L1 cache | 128 KB | 56 KB |
| L2 cache | 512 KB | 512 KB (per core) |
| L3 cache | 3 MB | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 81+114 mm2 | 65.2526 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 382+177 Million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i5-450M and Atom Z620 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 (Uniprocessor) | 1 (Uniprocessor) |
| Socket | PGA988 | Intel BGA 518 |
| Power consumption (TDP) | 35 Watt | 1.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-450M and Atom Z620. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| FMA | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | + | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Status | Discontinued | no data |
Security technologies
Core i5-450M and Atom Z620 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 Core i5-450M and Atom Z620 are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-450M and Atom Z620. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2 |
| Maximum memory size | 8 GB | 2 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 17.051 GB/s | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | PowerVR SGX535 |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 766 MHz | no data |
Graphics interfaces
Available interfaces and connections of Core i5-450M and Atom Z620 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-450M and Atom Z620.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 20 June 2010 | 4 May 2010 |
| Physical cores | 2 | 1 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 35 Watt | 1 Watt |
i5-450M has an age advantage of 1 month, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.
Atom Z620, on the other hand, has 3400% lower power consumption.
We couldn't decide between Core i5-450M and Atom Z620. We've got no test results to judge.
Should you still have questions on choice between Core i5-450M and Atom Z620, ask them in Comments section, and we shall answer.
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