Nvidia RTX Spark N1X (18-Core) vs Spark N1X (20-Core)
80
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81
out of 100
We compared two laptop CPUs: the 1.7 GHz Nvidia RTX Spark N1X (18-Core) with 18-cores against the 1.7 GHz Spark N1X (20-Core) with 20-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
Advantages of Nvidia RTX Spark N1X (20-Core)
- More powerful Nvidia N1X (48SM) integrated graphics: 31.2 vs 26 TFLOPS
- Has 2 more physical cores
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Multi) | - | 6787 |
Cinebench Scores (58th and 50th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 36 PPW | 38.4 PPW |
| Geekbench 6 Multi / Watt | 424.6 PPW | 451 PPW |
| Passmark CPU Mark / Watt | - | 938.3 PPW |
| Blender / Watt | - | 8.96 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Specifications
Full technical specification of Nvidia RTX Spark N1X (18-Core) and Spark N1X (20-Core)General
| Vendor | Apple | Intel |
| Released | September 3, 2026 | September 3, 2026 |
| Type | Laptop | Laptop |
| Instruction Set | ARMv9 | ARMv9 |
| Codename | Blackwell | Blackwell |
| Model number | AHJ11488B | AHJ11488B |
| Integrated GPU | Nvidia N1X (40SM) | Nvidia N1X (48SM) |
| Rival Equivalent | - Apple M5 Max (32-сore GPU) | - Apple M5 Max (40-сore GPU) |
Intel CPU rating (#15th place)
CPU
| P-Cores | 9 | 10 |
| P-Threads | 9 | 10 |
| Base Frequency (P) | 1.7 GHz | 1.7 GHz |
| Turbo Boost Frequency (P) | 4.1 GHz | 4.1 GHz |
| E-Cores | 9 | 10 |
| E-Threads | 9 | 10 |
| Base Frequency (E) | 1.5 GHz | 1.5 GHz |
| Turbo Boost Frequency (E) | 2.8 GHz | 2.8 GHz |
| Total Cores | 18 | 20 |
| Total Threads | 18 | 20 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 41x | 41x |
| L1 Cache | 128K (per core) | 128K (per core) |
| L2 Cache | 2MB (per core) | 2MB (per core) |
| L3 Cache | 16MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 3 nm | 3 nm |
| TDP (PL1) | 45 W | 45 W |
| Max. Boost TDP (PL2) | 80 W | 85 W |
| Socket | Custom | Custom |
| Die Size | 207.85 mm² | 207.85 mm² |
Laptop processors ranking (23rd and 20th place)
iGPU
| Integrated Graphics | Nvidia N1X (40SM) | Nvidia N1X (48SM) |
| GPU Base Clock | 1665 MHz | 1665 MHz |
| GPU Boost Clock | 2535 MHz | 2535 MHz |
| Shading Units | 5120 | 6144 |
| TMUs | 160 | 192 |
| ROPs | 40 | 48 |
| Execution Units | 40 | 48 |
iGPU FLOPS
More info: Nvidia N1X (48SM) compared to N1X (40SM)
Memory Support
| Memory Types | - LPDDR5X-9400 | - LPDDR5X-9400 |
| Max. Memory Size | 128 GB | 128 GB |
| Max. Memory Bandwidth | 300 GB/s | 300 GB/s |
| ECC Support | No | No |
Misc
| PCI Express Version | 5.0 | 5.0 |
Cast your vote
Total votes: 1