Atom x3-C3405 vs i7-870
Primary details
Comparing Core i7-870 and Atom x3-C3405 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1942 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.24 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | 3x Intel Atom |
| Power efficiency | 1.97 | no data |
| Architecture codename | Lynnfield (2009−2010) | Silvermont (2015) |
| Release date | 8 September 2009 (15 years ago) | no data |
| Launch price (MSRP) | $305 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-870 and Atom x3-C3405 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) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 2.93 GHz | 1.2 GHz |
| Boost clock speed | 3.6 GHz | 1.4 GHz |
| Bus rate | 2.5 GT/s | no data |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 2 MB |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 28 nm |
| Die size | 296 mm2 | no data |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 774 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Core i7-870 and Atom x3-C3405 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 | no data |
| Socket | FCLGA1156,LGA1156 | no data |
| Power consumption (TDP) | 95 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-870 and Atom x3-C3405. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| GPIO | no data | 5 x I2C |
Security technologies
Core i7-870 and Atom x3-C3405 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Boot | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-870 and Atom x3-C3405 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 i7-870 and Atom x3-C3405. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | 1x32 LPDDR2/3 1066 |
| Maximum memory size | 16 GB | 2 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 21 GB/s | 4.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Graphics interfaces
Available interfaces and connections of Core i7-870 and Atom x3-C3405 integrated GPUs.
| Number of displays supported | no data | 1 |
| MIPI-DSI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core i7-870 and Atom x3-C3405 integrated GPUs, including resolutions over different interfaces.
| Max resolution over eDP | no data | 1280x800 |
Graphics API support
APIs supported by Core i7-870 and Atom x3-C3405 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 9.3 |
| OpenGL | no data | ES 3.0 |
Peripherals
Specifications and connection of peripherals supported by Core i7-870 and Atom x3-C3405.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
| USB revision | no data | 2.0 OTG |
| Number of USB ports | no data | 1 |
| UART | no data | 7 x USIF configurable |
Pros & cons summary
| Threads | 8 | 4 |
| Chip lithography | 45 nm | 28 nm |
i7-870 has 100% more threads.
Atom x3-C3405, on the other hand, has a 60.7% more advanced lithography process.
We couldn't decide between Core i7-870 and Atom x3-C3405. We've got no test results to judge.
Note that Core i7-870 is a desktop processor while Atom x3-C3405 is a notebook one.
Should you still have questions on choice between Core i7-870 and Atom x3-C3405, ask them in Comments section, and we shall answer.
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