Nvidia N1X (48SM) vs Intel Arc B390
Nvidia N1X (48SM)
GB20B
Intel Arc B390
Panther Lake
We compared two integrated laptop graphics cards: the Nvidia N1X (48SM) with 48 pipelines and 6144 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.
Review
Gaming
Performance in DirectX, OpenCL, and Vulkan games
Workstation
Perf. in 3D modeling, video editing and rendering apps
AI/ML
Capabilities for machine learning and AI-related tasks
Energy Efficiency
Power consumption efficiency in different scenarios
NanoReview Final Score
Overall video card score
Scores marked with a red asterisk (**) represent initial estimates from early testing.
Key differences
Reasons to consider the Nvidia N1X (48SM)
- 4.1x higher maximum theoretical performance (31.2 vs 7.7 TFLOPS)
- Supports Nvidia DLSS 4 technology
- Has 4x more shading units (6144 vs 1536)
- Features 96 more tensor cores for effective ML and AI workloads
Reasons to consider the Intel Arc B390
- Performs significantly better (up to 87%) in 3DMark Steel Nomad Lite
- Achieves 19.2x more points in the GeekBench 6 Compute test (56K vs 2K)
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 OpenCL
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 | OpenCL |
Passmark Graphics
G3D Mark Score
| G2D Mark | - | 811 |
| DirectX 11 | - | 70 FPS |
| DirectX 12 | - | 48 FPS |
| GPU Compute | - | 3699 Ops/s |
Blender
Blender GPU
Recent User Tests
Nvidia N1X (48SM)
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 (48SM) 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 (40-core) | - |
| Recommended CPU | - Nvidia RTX Spark N1X (20-Core) or above | - Intel Core Ultra X9 388H or above |
| Used in CPUs | - Nvidia RTX Spark N1X (20-Core) | - Intel Core Ultra X9 378H - Intel Core Ultra X7 368H - Intel Core Ultra X9 388H - Intel Core Ultra X7 358H |
Laptop GPU ranking (38th and 71st place)
Graphics Processing Unit
| Base Clock | 1665 MHz | 300 MHz |
| Boost Clock | 2535 MHz | 2500 MHz |
| Shading Units | 6144 | 1536 |
| Texture Mapping Units (TMUs) | 192 | 48 |
| Render Output Units (ROPs) | 48 | 24 |
| Compute Units (Pipelines) | 48 | 12 |
| Tensor Cores | 192 | 96 |
| Ray-tracing Cores | 48 | 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 | 122 GPixel/s | 60 GPixel/s |
| Texture Fill Rate | 487 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 |
| ECC | No | No |
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
Total votes: 4