Nvidia N1X (40SM) vs Intel Arc B390
Nvidia N1X (40SM)
GB20B
Intel Arc B390
Panther Lake
We compared two integrated laptop graphics cards: the Nvidia N1X (40SM) with 40 pipelines and 5120 shaders against the 5 months older Intel Arc B390 that utilizes 12 pipelines and 1536 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.
Please note that the tests on the Nvidia N1X (40SM) 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 N1X (40SM)
- 3.2x higher maximum theoretical performance (24.8 vs 7.7 TFLOPS)
- Supports Nvidia DLSS 4 technology
- Features 64 more tensor cores for effective ML and AI workloads
- Has 3.3x more shading units (5120 vs 1536)
Gaming Performance
Frame rate comparison across popular AAA titles at different resolutionsGames
| Forza Horizon 5 | - | 80 41 36 20 |
| The Witcher 3 | - | 76 63 44 19 |
| Counter-Strike 2 | - | 96 70 46 23 |
| Far Cry 6 | - | 63 56 38 18 |
| Hogwarts Legacy | - | 33 24 18 - |
| CoD: Modern Warfare III | - | 37 35 28 13 |
| Ghost of Tsushima | - | 37 31 24 12 |
| Cyberpunk 2077 | - | 43 38 21 9 |
| Shadow of the Tomb Raider | - | 65 57 39 23 |
| 1080p High | - | 59 |
| 1080p Ultra | - | 46 |
| 1440p Ultra | - | 33 |
| 4K Ultra | - | 16 |
| Margin of Error | High | Low |
Benchmarks
Graphics cards’ performance in recent benchmarking apps3D Mark
Steel Nomad Lite Score
| Time Spy | - | 6880 |
| Solar Bay | - | 26783 |
| Port Royal | - | 3880 |
| Fire Strike | - | 16845 |
| Wild Life Extreme | - | 11778 |
| Night Raid | - | 72249 |
GeekBench 6 GPU Compute
GB6 Compute Score
| Background Blur | - | 87.6 img/sec |
| Face Detection | - | 58.5 img/sec |
| Horizon Detection | - | 1.9 Gpixels/sec |
| Edge Detection | - | 2.68 Gpixels/sec |
| Gaussian Blur | - | 4.74 Gpixels/sec |
| Feature Matching | - | 1.01 Gpixels/sec |
| Stereo Matching | - | 249.7 Gpixels/sec |
| Particle Physics | - | 10821.1 FPS |
| API | - | OpenCL |
Passmark Graphics
G3D Mark Score
| G2D Mark | - | 811 |
| DirectX 11 | - | 70 FPS |
| DirectX 12 | - | 48 FPS |
| GPU Compute | - | 3699 Ops/s |
Recent User Tests
Nvidia N1X (40SM)
No benchmark results yet
Intel Arc B390
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-05 -> asterismx | Geekbench 6 OpenCL | 57164 |
Artificial Intelligence Tests
Performance in machine learning and artificial intelligence tasksGeekBench 6 ML
GB6 ML Single Precision
GB6 ML Half Precision
GB6 ML Quantized
| Image Classification (SP) | - | 5487 |
| Image Segmentation (HP) | - | 16864 |
| Image Super Resolution (Q) | - | 8788 |
| Face Detection (HP) | - | 25029 |
| Pose Estimation (Q) | - | 18852 |
| Text Classification (SP) | - | 2115 |
| Machine Translation (HP) | - | 4266 |
| Object Detection (SP) | - | 7449 |
| Depth Estimation (Q) | - | 22207 |
| Style Transfer (SP) | - | 95039 |
| Framework | - | ONNX |
| Backend | - | DirectML |
Specifications
Technical specifications of Nvidia N1X (40SM) and Intel Arc B390General
| Vendor | Nvidia | Intel |
| Build | Integrated | Integrated |
| Released | June 1, 2026 | January 5, 2026 |
| Case | Laptop | Laptop |
| Purpose | Professional | Gaming |
| Segment | Mid-range | Mid-range |
| Architecture | Blackwell (N1x) | Celestial |
| GPU Codename | GB20B | Panther Lake |
| Rival Equivalent | - Apple M5 Max GPU (32-core) | - |
| Recommended CPU | - Nvidia RTX Spark N1X (18-Core) or above | - Intel Core Ultra X9 388H or above |
| Used in CPUs | - | - Intel Core Ultra X9 378H - Intel Core Ultra X7 368H - Intel Core Ultra X9 388H - Intel Core Ultra X7 358H |
Laptop GPU ranking (#64th place)
Graphics Processing Unit
| Base Clock | 1665 MHz | 300 MHz |
| Boost Clock | 2418 MHz | 2500 MHz |
| Shading Units | 5120 | 1536 |
| Texture Mapping Units (TMUs) | 160 | 48 |
| Render Output Units (ROPs) | 40 | 24 |
| Compute Units (Pipelines) | 40 | 12 |
| Tensor Cores | 160 | 96 |
| Ray-tracing Cores | 40 | 12 |
| L1 Cache | 128KB per cluster | 64KB per cluster |
| L2 Cache | 24MB shared | 16MB shared |
| Instructions Per Cycle | 2 IPC | 2 IPC |
Raw Performance
| Pixel Fill Rate | 97 GPixel/s | 60 GPixel/s |
| Texture Fill Rate | 387 GTexel/s | 120 GTexel/s |
FLOPS (FP32)
Physical
| Interface | PCIe 5.0 x16 | IGP |
| TGP | - | 30 W |
| Manufacturing | TSMC | TSMC |
| Fabrication Process | 3 nm | 3 nm |
| Die Size | 173.6 mm² | - |
| Max. Temperature | - | 100°C |
Memory
| Memory Type | System Shared | System Shared |
| Bus | 256-bit | - |
| ECC | No | No |
Memory Bandwidth
API
| DirectX | - | 12.1 |
| Vulkan | 1.4 | 1.4 |
| OpenGL | - | 4.6 |
| OpenCL | 3.0 | 3.0 |
| CUDA | 12.1 | No |
| Ray Tracing | Yes | Yes |
| DLSS | DLSS 4 | No |
| DisplayPort | - | 2.1 |
Cast your vote
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