Nvidia RTX Spark N1X 18-Core: specs and benchmarks
Summary
NVIDIA started RTX Spark N1X 18-Core sales 15 October 2026. Based on a Spark architecture, this desktop processor is primarily aimed at home systems. It has 18 cores and 18 threads, and is based on 3 nm manufacturing technology, with a maximum frequency of 3900 MHz and a locked multiplier.
Primary details
RTX Spark N1X 18-Core processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Desktop processor | |
| Designer | NVIDIA | |
| Architecture codename | Spark (2026) | |
| Release date | 15 October 2026 (recently) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 18 (Octadeca-Core) | |
| Threads | 18 | |
| Base clock speed | 1.5 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 3.9 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 2.5 MB | of 96 KB (Xeon 6990E+) |
| L2 cache | 25 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 24 MB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 3 nm | of 1.8 nm (Core Ultra 5 332) |
| Die size | 382 mm2 | |
| Number of transistors | 70000 Million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + |
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
