Nvidia N1X (40SM) vs Intel Arc B390

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

Key distinctions and advantages of Arc B390 over N1X (40SM)
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 resolutions

Games

FPS Table
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
Average FPS by Resolution
1080p High - 59
1080p Ultra - 46
1440p Ultra - 33
4K Ultra - 16
Margin of Error High Low

Benchmarks

Graphics cards’ performance in recent benchmarking apps

3D Mark

Multiplatform graphics benchmark suite that directly correlates with performance in modern games
Steel Nomad Lite Score
5461
Time Spy - 6880
Solar Bay - 26783
Port Royal - 3880
Fire Strike - 16845
Wild Life Extreme - 11778
Night Raid - 72249
Sources: 3DMark [1]

GeekBench 6 GPU Compute

GPU test for computational tasks (image processing, photography, computer vision, and ML)
GB6 Compute Score
56204
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
Sources: Geekbench [3]

Passmark Graphics

Videocard test that focuses on compute shaders, multi-texturing, tessellation, and other features
G3D Mark Score
8973
G2D Mark - 811
DirectX 11 - 70 FPS
DirectX 12 - 48 FPS
GPU Compute - 3699 Ops/s
Sources: PassMark [5] – 535 samples

Blender

Rendering performance test for 3D modeling
Blender GPU
1262.26
Sources: Blender [9] – 116 samples

Recent User Tests

The latest benchmark tests that have been submitted by users
Nvidia N1X (40SM)
No benchmark results yet
Intel Arc B390
DateBenchmarkResult
📘 2026-09-05 -> asterismxGeekbench 6 OpenCL57164

Artificial Intelligence Tests

Performance in machine learning and artificial intelligence tasks

GeekBench 6 ML

Tests throughput of AI operations in single, half, and quantized precision
GB6 ML Single Precision
12930
GB6 ML Half Precision
23819
GB6 ML Quantized
8437
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
Sources: Geekbench [9]

Specifications

Technical specifications of Nvidia N1X (40SM) and Intel Arc B390

General

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)
N1X (40SM) +222%
24.8 TFLOPS
7.7 TFLOPS

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
273.2 GB/s
n/a

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

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