NVIDIA N1 20SM vs NVIDIA RTX 5000 Ada Generation Comparison

FAQ

Q: What is the NVIDIA N1 20SM's process node and die size?

A: The NVIDIA N1 20SM is built on a 5 nm process at TSMC, with a die size of 382 mm². Its transistor count is listed as unknown.

Q: How much memory does the RTX 5000 Ada Generation have, and what type is it?

A: The RTX 5000 Ada Generation has 32 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth.

Q: What is the memory bandwidth of the NVIDIA N1 20SM?

A: The N1 20SM uses 128 GB of LPDDR5X memory on a 256-bit bus, providing 273.2 GB/s of bandwidth.

Q: What API support does the RTX 5000 Ada Generation offer?

A: The RTX 5000 Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the average benchmark score for the RTX 5000 Ada Generation?

A: The RTX 5000 Ada Generation has an average benchmark score of 184,664, placing it in the 98th percentile of all GPUs.

Q: How does the RTX 5000 Ada Generation compare to the NVIDIA A100 SXM4 80 GB in average score?

A: The RTX 5000 Ada Generation scores 0.5% higher than the A100 SXM4 80 GB, based on the recorded delta percentage.

Architecture Differences

The NVIDIA N1 20SM and the NVIDIA RTX 5000 Ada Generation represent two distinct architectural approaches from NVIDIA. The N1 20SM is based on the Blackwell 2.0 architecture, specifically from the Blackwell IGP (N1x) generation, using the GB20B chip. The RTX 5000 Ada Generation uses the Ada Lovelace architecture, built around the AD102 chip. This fundamental difference in architecture dictates nearly every other specification.

The process nodes are identical at 5 nm, with both chips fabricated by TSMC. However, the physical implementations diverge significantly. The N1 20SM has a die size of 382 mm², while the RTX 5000 Ada Generation has a much larger die at 609 mm². The RTX 5000's transistor count is recorded at 76,300 million, with a transistor density of 125.3 million per mm². The N1 20SM's transistor count is unknown, though its smaller die suggests a lower total.

The N1 20SM is designed as an integrated graphics processor (IGP), meaning it has no power connectors and occupies a single slot as part of a larger system. The RTX 5000 Ada Generation is a dual-slot discrete card requiring a 16-pin power connector and a suggested power supply of 600 W. The N1 20SM's TDP is listed as unknown, while the RTX 5000 has a TDP of 250 W.

Compute resources show a massive gap. The N1 20SM has 2,560 shading units, 160 texture mapping units, and 24 ROPs. The RTX 5000 Ada Generation has 12,800 shading units, 400 TMUs, and 176 ROPs. Ray tracing cores number 20 on the N1 20SM versus 100 on the RTX 5000. Tensor cores follow the same pattern: 80 on the N1 20SM and 400 on the RTX 5000. The RTX 5000 delivers 65.28 TFLOPS of FP32 and FP16 performance, while the N1 20SM delivers 12.01 TFLOPS in both.

Memory architectures differ as well. The N1 20SM uses 128 GB of LPDDR5X at 1067 MHz (8.5 Gbps effective), while the RTX 5000 uses 32 GB of GDDR6 at 2250 MHz (18 Gbps effective). Both use a 256-bit bus, but the RTX 5000's faster memory yields 576.0 GB/s versus 273.2 GB/s for the N1 20SM. The N1 20SM offers a PCIe 5.0 x16 interface, while the RTX 5000 uses PCIe 4.0 x16.

API support is another differentiator. The N1 20SM lists DirectX, OpenGL, and Vulkan as N/A. The RTX 5000 Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display outputs also differ: the N1 20SM has a single HDMI port, while the RTX 5000 has four DisplayPort 1.4a outputs.

The Verdict

The recorded data indicates a clear performance hierarchy. The RTX 5000 Ada Generation sits in the 98th percentile of all GPUs with an average benchmark score of 184,664. The N1 20SM has a percentile of 50 and an average benchmark score of 0, meaning no benchmark results are recorded for it in the database. The RTX 5000's nearest rivals include the NVIDIA A100 SXM4 80 GB (0.5% higher score for the RTX 5000), the A100 SXM4 40 GB (1.3% higher for the A100), the RTX PRO 5000 Blackwell (1.4% higher for the RTX 5000), and the GeForce RTX 4090 D (3.7% higher for the RTX 5000).

The N1 20SM is an integrated part with no benchmark scores, no API support, and no power connectors. It is designed for systems where the GPU is embedded, not for standalone workstation tasks. The RTX 5000 Ada Generation, by contrast, is a workstation-class discrete card with full API support, 4.4 times the shading units, and 5 times the ray tracing cores.

For compute-heavy workloads, the RTX 5000 Ada Generation is the only option with measurable performance data. Its 65.28 TFLOPS FP32 throughput and 576.0 GB/s bandwidth provide a base for demanding applications. The N1 20SM's 12.01 TFLOPS and 273.2 GB/s are substantially lower, and its lack of API support limits software compatibility.

The N1 20SM's advantage lies in memory capacity: 128 GB versus 32 GB. This could matter for specific memory-bound workloads, but without benchmark data or API support, its practical utility is unclear. The RTX 5000's PCIe 4.0 interface is a generation behind the N1 20SM's PCIe 5.0, but the RTX 5000's other specifications dominate.

Users requiring a discrete, high-throughput GPU with proven benchmark results should select the RTX 5000 Ada Generation. Users constrained to an integrated solution with large memory capacity would use the N1 20SM, but the data shows no performance validation for it.

Specification Differences

| Specification | NVIDIA N1 20SM | NVIDIA RTX 5000 Ada Generation |

|---|---|---|

| Architecture | Blackwell 2.0 | Ada Lovelace |

| Chip | GB20B | AD102 |

| Generation | Blackwell IGP (N1x) | Workstation Ada |

| Process Node | 5 nm | 5 nm |

| Transistors | unknown | 76,300 million |

| Die Size | 382 mm² | 609 mm² |

| Transistor Density | null | 125.3M / mm² |

| Base Clock | 741 MHz | 1155 MHz |

| Boost Clock | 2346 MHz | 2550 MHz |

| Memory Clock | 1067 MHz 8.5 Gbps effective | 2250 MHz 18 Gbps effective |

| Memory Size | 128 GB | 32 GB |

| Memory Type | LPDDR5X | GDDR6 |

| Memory Bus | 256 bit | 256 bit |

| Bandwidth | 273.2 GB/s | 576.0 GB/s |

| Shading Units | 2560 | 12800 |

| TMUs | 160 | 400 |

| ROPs | 24 | 176 |

| RT Cores | 20 | 100 |

| Tensor Cores | 80 | 400 |

| Pixel Rate | 56.30 GPixel/s | 448.8 GPixel/s |

| Texture Rate | 375.4 GTexel/s | 1,020.0 GTexel/s |

| FP32 | 12.01 TFLOPS | 65.28 TFLOPS |

| FP16 | 12.01 TFLOPS (1:1) | 65.28 TFLOPS (1:1) |

| TDP | unknown | 250 W |

| Slot Width | IGP | Dual-slot |

| Power Connectors | None | 1x 16-pin |

| Suggested PSU | null | 600 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |

| Display Outputs | 1x HDMI | 4x DisplayPort 1.4a |

| DirectX | N/A | 12 Ultimate (12_2) |

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Dimensions | null | 267 mm, 112 mm |

| Release Date | 2026-05-31 | 2023-08-08 |

| Predecessor | null | Workstation Ampere |

| Successor | null | Blackwell PRO W |

| Percentile | 50 | 98 |

| Avg Benchmark Score | 0 | 184,664 |

Head-to-Head Benchmarks

The head-to-head benchmark table contains no entries, so no direct comparative measurements exist between the NVIDIA N1 20SM and the RTX 5000 Ada Generation. However, the RTX 5000 has two recorded benchmark results: a Geekbench OpenCL score of 175,286 and a Geekbench Vulkan score of 194,041. The N1 20SM has no benchmark scores in the database.

The RTX 5000's average benchmark score of 184,664 places it at the 98th percentile, a position supported by its nearest rivals. Against the A100 SXM4 80 GB, the RTX 5000 leads by 0.5%. Against the A100 SXM4 40 GB, it trails by 1.3%. The RTX PRO 5000 Blackwell scores 1.4% lower, and the GeForce RTX 4090 D scores 3.7% lower. These deltas show the RTX 5000 operating in a tight performance band near the top of the database.

The largest wins for the RTX 5000 Ada Generation are evident in raw compute specifications. Its FP32 throughput of 65.28 TFLOPS is 5.4 times the N1 20SM's 12.01 TFLOPS. Pixel rate favors the RTX 5000 at 448.8 GPixel/s versus 56.30 GPixel/s, a factor of 8. Texture rate shows a similar gap: 1,020.0 GTexel/s versus 375.4 GTexel/s, a 2.7 times advantage. Memory bandwidth of 576.0 GB/s doubles the N1 20SM's 273.2 GB/s.

The N1 20SM's wins are limited to memory capacity and interface generation. It offers 128 GB of LPDDR5X, which is 4 times the RTX 5000's 32 GB. The PCIe 5.0 x16 interface is newer than the RTX 5000's PCIe 4.0 x16, though no benchmark data quantifies the benefit. The N1 20SM also has a higher memory clock in effective Gbps terms (8.5 Gbps versus 18 Gbps for the RTX 5000, but the RTX 5000's GDDR6 achieves higher bandwidth due to its architecture).

Boost clocks favor the RTX 5000 at 2550 MHz versus 2346 MHz for the N1 20SM. Base clocks are 1155 MHz versus 741 MHz. The RTX 5000's shading unit count of 12,800 is 5 times the N1 20SM's 2,560. Ray tracing cores are 100 versus 20, and tensor cores are 400 versus 80.

The RTX 5000's API support (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4) contrasts with the N1 20SM's N/A status across all APIs. This makes the RTX 5000 compatible with standard graphics and compute frameworks, while the N1 20SM relies on proprietary or system-specific paths.

The RTX 5000's release date of 2023-08-08 predates the N1 20SM's 2026-05-31, yet the RTX 5000 remains in active production. The N1 20SM is also active. The RTX 5000 has a predecessor (Workstation Ampere) and a successor (Blackwell PRO W), while the N1 20SM lists neither. The RTX 5000's dual-slot form factor and 250 W TDP are typical for a high-performance workstation card, while the N1 20SM's IGP design requires no power connectors.

Given the absence of head-to-head benchmark entries, the recorded data supports the RTX 5000 Ada Generation as the higher-performing part. The N1 20SM's only advantages are memory capacity and bus interface version, neither of which is validated by benchmark scores.