i9-9900X vs Atom N475
Aggregate performance score
Core i9-9900X outperforms Atom N475 by a whopping 12280% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3694 | 728 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.37 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | Intel Core i9 |
| Power efficiency | 0.60 | 3.17 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Pineview (2009−2011) | Skylake (server) (2017−2018) |
| Release date | 1 June 2010 (16 years ago) | 19 October 2018 (7 years ago) |
| Launch price (MSRP) | $75 | $989 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Atom N475 and Core i9-9900X: 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 | 1 (Single-Core) | 10 (Deca-Core) |
| Threads | 2 | 20 |
| Base clock speed | 1.83 GHz | 3.5 GHz |
| Boost clock speed | 1.83 GHz | 4.5 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | 533 MHz | 4 × 8 GT/s |
| Multiplier | no data | 35 |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 19.25 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 66 mm2 | no data |
| Maximum core temperature | 100 °C | 92 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 123 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Atom N475 and Core i9-9900X 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 (Uniprocessor) |
| Socket | FCBGA559 | FCLGA2066 |
| Power consumption (TDP) | 6.5 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N475 and Core i9-9900X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | + |
Security technologies
Atom N475 and Core i9-9900X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom N475 and Core i9-9900X are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N475 and Core i9-9900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-2666 |
| Maximum memory size | 2 GB | 128 GB |
| Max memory channels | 1 | 4 |
| Maximum memory bandwidth | no data | 85.33 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom N475 and Core i9-9900X.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 44 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.10 | 12.38 |
| Recency | 1 June 2010 | 19 October 2018 |
| Physical cores | 1 | 10 |
| Threads | 2 | 20 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 6 Watt | 165 Watt |
Atom N475 has 2650% lower power consumption.
i9-9900X, on the other hand, has a 12280% higher aggregate performance score, an age advantage of 8 years, 900% more physical cores and 900% more threads, and a 221% more advanced lithography process.
The Intel Core i9-9900X is our recommended choice as it beats the Intel Atom N475 in performance tests.
Be aware that Atom N475 is a notebook processor while Core i9-9900X is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
