Nvidia N1X (40SM)

Graphics Processor: GB20B
Cores: 5120
TMUs / ROPs: 160 / 40

Compare Nvidia N1X (40SM) with other GPUs

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.

Test in Benchmarks

Performance tests in graphics benchmarks and applications

Add your GPU benchmark result

Artificial Intelligence Tests

Performance in machine learning and artificial intelligence tasks

Specifications

Detailed technical specifications of the Nvidia N1X (40SM)

General

Vendor	Nvidia
Build	Integrated
Released	June 1, 2026
Case	Laptop
Purpose	Professional
Segment	Mid-range
Architecture	Blackwell (N1x)
GPU Codename	GB20B
Apple Equivalent	- Apple M5 Max GPU (32-core)
Recommended CPU	- Nvidia RTX Spark N1X (18-Core) or above

Graphics Processing Unit

Base Clock	1665 MHz
Boost Clock	2418 MHz
Shading Units	5120
Texture Mapping Units (TMUs)	160
Render Output Units (ROPs)	40
Compute Units (Pipelines)	40
Tensor Cores	160
Ray-tracing Cores	40
L1 Cache	128KB per cluster
L2 Cache	24MB shared
Instructions Per Cycle	2 IPC

Raw Performance

Pixel Fill Rate	97 GPixel/s
Texture Fill Rate	387 GTexel/s

FLOPS (FP32)

24.8 TFLOPS

Physical

Interface	PCIe 5.0 x16
Manufacturing	TSMC
Fabrication Process	3 nm
Die Size	173.6 mm²

Memory

Memory Type	System Shared
Bus	256-bit
ECC	No

Memory Bandwidth

273.2 GB/s

API

Vulkan	1.4
OpenCL	3.0
CUDA	12.1
Ray Tracing	Yes
DLSS	DLSS 4

Competitors

1. Nvidia N1X (40SM) vs Nvidia N1 (16SM)

2. Nvidia N1X (40SM) vs Nvidia N1X (48SM)

3. Nvidia N1X (40SM) vs Intel Arc B370

4. Nvidia N1X (40SM) vs Intel Arc B390

5. Nvidia N1X (40SM) vs Radeon 8060S

6. Nvidia N1X (40SM) vs Radeon 8050S

7. Nvidia N1X (40SM) vs Radeon 890M

8. Nvidia N1X (40SM) vs Radeon 880M

9. Nvidia N1X (40SM) vs Apple M5 Pro GPU (20-core)

10. Nvidia N1X (40SM) vs Apple M4 Max GPU (40-core)