NVIDIA N1 20SM vs NVIDIA RTX 5000 Mobile Ada Generation Comparison

Head-to-Head Benchmarks

The recorded data offers a single direct benchmark for the NVIDIA RTX 5000 Mobile Ada Generation: a 3DMark Steel Nomad DX12 score of 3596. The NVIDIA N1 20SM has no benchmark entries in the database, so its performance cannot be directly compared on the same test. The RTX 5000 Mobile Ada Generation sits at the 21st percentile among all GPUs, while the N1 20SM is at the 50th percentile, indicating that the database places the N1 20SM higher in overall rank despite having no measured score.

The RTX 5000 Mobile Ada Generation's nearest rivals in the database provide context for its score. The NVIDIA GeForce GT 545 averages 3594, a delta of 0.1% relative to the RTX 5000 Mobile Ada Generation, making it essentially a statistical tie. The NVIDIA GeForce GT 735M scores 3616, which is 0.6% higher, while the NVIDIA GeForce GTX 1050 reaches 3629, 0.9% above. The AMD Radeon HD 6770 posts 3649, 1.5% ahead. These deltas are all within a narrow 1.5% band, meaning the RTX 5000 Mobile Ada Generation's measured performance clusters tightly with older, lower-tier desktop parts from a different era.

The FP32 compute figures, however, tell a different story. The RTX 5000 Mobile Ada Generation delivers 41.15 TFLOPS, while the N1 20SM provides 12.01 TFLOPS. That is a 3.43x advantage for the RTX 5000 Mobile Ada Generation in raw single-precision throughput. FP16 performance follows the same pattern: the RTX 5000 Mobile Ada Generation achieves 41.15 TFLOPS (1:1 ratio), versus 12.01 TFLOPS for the N1 20SM. These are theoretical peak rates, not measured application results, but they indicate a substantial compute capability gap.

Memory bandwidth also heavily favors the RTX 5000 Mobile Ada Generation. It records 576.0 GB/s, more than double the N1 20SM's 273.2 GB/s. The N1 20SM does counter with a larger memory pool: 128 GB versus 16 GB. That is an 8x capacity difference, which matters for workloads that require holding very large datasets in local memory. The memory types differ as well: the RTX 5000 Mobile Ada Generation uses GDDR6, while the N1 20SM uses LPDDR5X.

Pixel and texture rates reinforce the RTX 5000 Mobile Ada Generation's dominance in traditional rendering. It achieves 236.9 GPixel/s and 643.0 GTexel/s, while the N1 20SM manages 56.30 GPixel/s and 375.4 GTexel/s. The pixel rate gap is 4.2x, and the texture rate gap is 1.7x. Shader and geometry resources follow: the RTX 5000 Mobile Ada Generation has 9728 shading units, 304 TMUs, 112 ROPs, 76 RT cores, and 304 tensor cores, versus 2560 shading units, 160 TMUs, 24 ROPs, 20 RT cores, and 80 tensor cores for the N1 20SM. The RTX 5000 Mobile Ada Generation leads in every count, with the largest advantage in shading units (3.8x) and the smallest in TMUs (1.9x).

Clock behavior differs notably. The RTX 5000 Mobile Ada Generation runs at a base of 1425 MHz and boosts to 2115 MHz. The N1 20SM starts lower at 741 MHz base but boosts higher to 2346 MHz. The boost clock advantage for the N1 20SM is 231 MHz, yet its significantly lower core counts and memory bandwidth cap its overall throughput.

FAQ

Q: Which GPU has a higher FP32 compute peak?

A: The NVIDIA RTX 5000 Mobile Ada Generation delivers 41.15 TFLOPS, while the NVIDIA N1 20SM delivers 12.01 TFLOPS, giving the RTX 5000 Mobile Ada Generation a 3.43x lead in theoretical single-precision compute.

Q: How much memory does each GPU offer?

A: The N1 20SM has 128 GB of LPDDR5X, while the RTX 5000 Mobile Ada Generation has 16 GB of GDDR6. The N1 20SM holds 8x more memory capacity.

Q: What is the memory bandwidth difference?

A: The RTX 5000 Mobile Ada Generation achieves 576.0 GB/s, which is 2.1x the N1 20SM's 273.2 GB/s, despite both using a 256-bit bus.

Q: Which GPU has a higher boost clock?

A: The N1 20SM boosts to 2346 MHz, while the RTX 5000 Mobile Ada Generation boosts to 2115 MHz. The N1 20SM's boost clock is 231 MHz higher.

Q: How does the RTX 5000 Mobile Ada Generation compare to its nearest rivals in the database?

A: Its 3DMark Steel Nomad DX12 score of 3596 sits within 1.5% of four rivals: the GeForce GT 545 (3594), GeForce GT 735M (3616), GeForce GTX 1050 (3629), and Radeon HD 6770 (3649). The largest gap is 1.5% behind the Radeon HD 6770.

Q: What API support does each GPU provide?

A: The RTX 5000 Mobile Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The N1 20SM lists N/A for DirectX, OpenGL, and Vulkan, indicating no API support is recorded.

Architecture Differences

The two GPUs come from different NVIDIA architectures. The N1 20SM uses Blackwell 2.0, built on the GB20B chip, and belongs to the Blackwell IGP (N1x) generation. The RTX 5000 Mobile Ada Generation uses Ada Lovelace, built on the AD103 chip, and belongs to the Ada-MW generation. Both are manufactured by TSMC on a 5 nm process, so the process node is identical. The foundry is the same as well.

Die measurements are close. The N1 20SM has a die size of 382 mm², while the RTX 5000 Mobile Ada Generation is slightly smaller at 379 mm². Transistor data differs: the RTX 5000 Mobile Ada Generation lists 45,900 million transistors with a density of 121.1M per mm², while the N1 20SM's transistor count is unknown. The N1 20SM's larger die with unknown transistor count suggests a different design approach, likely emphasizing memory capacity rather than compute density.

Core architecture diverges sharply. The RTX 5000 Mobile Ada Generation packs 9728 shading units, 304 TMUs, 112 ROPs, 76 RT cores, and 304 tensor cores. The N1 20SM has 2560 shading units, 160 TMUs, 24 ROPs, 20 RT cores, and 80 tensor cores. The RTX 5000 Mobile Ada Generation uses a much wider shader array, while the N1 20SM appears optimized for lower power and integrated use. The RTX 5000 Mobile Ada Generation also carries a 120 W TDP, while the N1 20SM's TDP is unknown.

The memory subsystem is a key architectural split. The N1 20SM uses 128 GB of LPDDR5X on a 256-bit bus, with memory clocked at 1067 MHz (8.5 Gbps effective). The RTX 5000 Mobile Ada Generation uses 16 GB of GDDR6 on a 256-bit bus, with memory clocked at 2250 MHz (18 Gbps effective). Despite the same bus width, the RTX 5000 Mobile Ada Generation's faster memory and higher bit rate yield 576.0 GB/s versus 273.2 GB/s. The N1 20SM's memory size is unusual for a GPU, likely reflecting a different intended use case such as large model inference.

Bus interface and display outputs also differ. The N1 20SM uses PCIe 5.0 x16 and has one HDMI output. The RTX 5000 Mobile Ada Generation uses PCIe 4.0 x16 and has display outputs described as "Portable Device Dependent." Both are IGP (integrated GPU) form factors with no power connectors. API support is a major difference: the RTX 5000 Mobile Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the N1 20SM lists N/A for all three.

Release timing places them in different periods. The RTX 5000 Mobile Ada Generation was released on 2023-03-20, with a predecessor of Ampere-MW and a successor of Blackwell-MW. The N1 20SM was released on 2026-05-31, with no predecessor or successor listed. Both are marked as Active in production status.

The Verdict

The data indicates two GPUs built for different purposes. The RTX 5000 Mobile Ada Generation dominates in raw compute, memory bandwidth, and rendering throughput. Its 41.15 TFLOPS FP32, 576.0 GB/s bandwidth, and 236.9 GPixel/s pixel rate far exceed the N1 20SM's 12.01 TFLOPS, 273.2 GB/s, and 56.30 GPixel/s. For any workload that stresses shader throughput, texture filtering, or pixel output, the RTX 5000 Mobile Ada Generation is the clear choice based on recorded specifications.

The N1 20SM counters with a massive 128 GB memory pool, 8x the RTX 5000 Mobile Ada Generation's 16 GB. That capacity, paired with a 256-bit LPDDR5X bus, supports workloads where dataset size matters more than memory speed. The N1 20SM also boosts to a higher clock (2346 MHz versus 2115 MHz), though this does not compensate for its lower core counts. Its 50th percentile ranking versus the RTX 5000 Mobile Ada Generation's 21st percentile suggests the database ranks the N1 20SM higher overall, but this is not backed by a measured benchmark score for the N1 20SM.

The RTX 5000 Mobile Ada Generation's only recorded benchmark, 3596 in 3DMark Steel Nomad DX12, places it within 1.5% of older GPUs like the GeForce GTX 1050 and Radeon HD 6770. That result indicates its real-world performance in this specific test is modest, despite strong theoretical specs. The N1 20SM has no benchmark data, so its actual performance cannot be verified from the database.

Users needing maximum compute, bandwidth, and API support (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4) should rely on the RTX 5000 Mobile Ada Generation. Users needing very large local memory capacity, with a later release date and higher boost clock, may find the N1 20SM suitable. The RTX 5000 Mobile Ada Generation also has a known TDP of 120 W, while the N1 20SM's power draw is unrecorded. The choice depends entirely on whether the workload is compute-bound or memory-capacity-bound.

Specification Differences

| Field | NVIDIA N1 20SM | NVIDIA RTX 5000 Mobile Ada Generation |

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

| Architecture | Blackwell 2.0 | Ada Lovelace |

| Chip | GB20B | AD103 |

| Generation | Blackwell IGP (N1x) | Ada-MW |

| Process Node | 5 nm | 5 nm |

| Foundry | TSMC | TSMC |

| Die Size | 382 mm² | 379 mm² |

| Transistors | unknown | 45,900 million |

| Transistor Density | null | 121.1M / mm² |

| Base Clock | 741 MHz | 1425 MHz |

| Boost Clock | 2346 MHz | 2115 MHz |

| Memory Size | 128 GB | 16 GB |

| Memory Type | LPDDR5X | GDDR6 |

| Memory Bus Width | 256 bit | 256 bit |

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

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

| Shading Units | 2560 | 9728 |

| TMUs | 160 | 304 |

| ROPs | 24 | 112 |

| RT Cores | 20 | 76 |

| Tensor Cores | 80 | 304 |

| Pixel Rate | 56.30 GPixel/s | 236.9 GPixel/s |

| Texture Rate | 375.4 GTexel/s | 643.0 GTexel/s |

| FP32 | 12.01 TFLOPS | 41.15 TFLOPS |

| FP16 | 12.01 TFLOPS (1:1) | 41.15 TFLOPS (1:1) |

| TDP | unknown | 120 W |

| Slot Width | IGP | IGP |

| Power Connectors | None | None |

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

| Display Outputs | 1x HDMI | Portable Device Dependent |

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

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Release Date | 2026-05-31 | 2023-03-20 |

| Predecessor | null | Ampere-MW |

| Successor | null | Blackwell-MW |

| Production Status | Active | Active |

| Percentile vs All GPUs | 50 | 21 |

| Avg Benchmark Score | 0 | 3596 |