Atom Z615 vs i7-620LM
Primary details
Comparing Core i7-620LM and Atom Z615 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2542 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Atom |
| Power efficiency | 3.35 | no data |
| Architecture codename | Arrandale (2010−2011) | Lincroft (2010−2011) |
| Release date | 7 January 2010 (14 years ago) | 4 May 2010 (14 years ago) |
| Launch price (MSRP) | $300 | no data |
Detailed specifications
Core i7-620LM and Atom Z615 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 GHz | 1.6 GHz |
| Boost clock speed | 2.8 GHz | 1.2 GHz |
| Bus type | DMI 1.0 | cDMI |
| Bus rate | 1 × 2.5 GT/s | 400 MT/s |
| Multiplier | 15 | 12 |
| L1 cache | 128 KB | 56 KB |
| L2 cache | 512 KB | 512 KB (per core) |
| L3 cache | 4 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 81+144 mm2 | 65.2526 mm2 |
| Maximum core temperature | 105 °C | +90 °C |
| Number of transistors | 382+177 Million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-620LM and Atom Z615 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 | BGA1288 | T-PBGA518 |
| Power consumption (TDP) | 25 Watt | 2.2 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-620LM and Atom Z615. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| AES-NI | + | - |
| FMA | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | + | - |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | - |
| Demand Based Switching | no data | - |
| PAE | 36 Bit | 32 Bit |
| GPIO | no data | + |
| FDI | + | - |
| Fast Memory Access | + | - |
| AMT | no data | - |
| Matrix Storage | no data | - |
| Quiet System | no data | - |
| I/O Acceleration | no data | - |
| Quick Resume | no data | - |
| HD Audio | no data | - |
Security technologies
Core i7-620LM and Atom Z615 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-620LM and Atom Z615 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-620LM and Atom Z615. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-1066 | 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 |
| Max video memory | no data | 256 MB |
| Clear Video | + | + |
| Clear Video HD | + | - |
| Graphics max frequency | 566 MHz | no data |
Graphics interfaces
Available interfaces and connections of Core i7-620LM and Atom Z615 integrated GPUs.
| Number of displays supported | 2 | no data |
| LVDS | no data | + |
| MIPI | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-620LM and Atom Z615.
| PCIe version | 2.0 | None |
| PCI Express lanes | 16 | no data |
| PCI support | no data | - |
| USB revision | no data | 2.0 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | no data | + |
Pros & cons summary
| Recency | 7 January 2010 | 4 May 2010 |
| Physical cores | 2 | 1 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 25 Watt | 2 Watt |
i7-620LM has 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.
Atom Z615, on the other hand, has an age advantage of 3 months, and 1150% lower power consumption.
We couldn't decide between Core i7-620LM and Atom Z615. We've got no test results to judge.
Should you still have questions on choice between Core i7-620LM and Atom Z615, ask them in Comments section, and we shall answer.
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