Nvidia N1 (20SM) vs N1 (16SM)
VS
Nvidia N1 (20SM)
GB20B
Nvidia N1 (16SM)
GB20B
We compared two discrete laptop professional GPUs: the Nvidia N1 (20SM) with 20 pipelines and 2560 shaders against the N1 (16SM) that utilizes 16 pipelines and 2048 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.
Please note that the tests on the Nvidia N1 (20SM) are done on an engineering sample provided by our insiders. The data will be more accurate after the final version of this GPU is available.
Key differences
Reasons to consider the Nvidia N1 (20SM)
- 25% higher maximum theoretical performance (12.4 vs 9.9 TFLOPS)
- Has 25% more shading units (2560 vs 2048)
Benchmarks
Graphics cards’ performance in recent benchmarking appsSpecifications
Technical specifications of Nvidia N1 (20SM) and N1 (16SM)General
| Vendor | Nvidia | Nvidia |
| Build | Discrete | Discrete |
| Released | June 1, 2026 | June 1, 2026 |
| Case | Laptop | Laptop |
| Purpose | Professional | Professional |
| Segment | Entry-level | Entry-level |
| Architecture | Blackwell (N1x) | Blackwell (N1x) |
| GPU Codename | GB20B | GB20B |
Laptop GPU ranking (#18th place)
Graphics Processing Unit
| Base Clock | 1665 MHz | 1665 MHz |
| Boost Clock | 2418 MHz | 2418 MHz |
| Shading Units | 2560 | 2048 |
| Texture Mapping Units (TMUs) | 160 | 128 |
| Render Output Units (ROPs) | 24 | 24 |
| Compute Units (Pipelines) | 20 | 16 |
| Tensor Cores | 80 | 64 |
| Ray-tracing Cores | 20 | 16 |
| L1 Cache | 128KB per cluster | 128KB per cluster |
| L2 Cache | 50MB shared | 50MB shared |
| Instructions Per Cycle | 2 IPC | 2 IPC |
Raw Performance
| Pixel Fill Rate | 58 GPixel/s | 58 GPixel/s |
| Texture Fill Rate | 387 GTexel/s | 310 GTexel/s |
FLOPS (FP32)
Physical
| Interface | PCIe 5.0 x16 | PCIe 5.0 x16 |
| Manufacturing | TSMC | TSMC |
| Fabrication Process | 5 nm | 5 nm |
Memory
| Memory Type | System Shared | System Shared |
| Bus | 256-bit | 256-bit |
| ECC | No | No |
Memory Bandwidth
API
| OpenCL | 3.0 | 3.0 |
| CUDA | 12.1 | 12.1 |
| Ray Tracing | Yes | Yes |
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