NVIDIA N1X 48SM vs NVIDIA RTX 5000 Embedded Ada Generation Comparison

FAQ

Q: What are the architectural generations of the two GPUs?

A: The NVIDIA N1X 48SM is built on Blackwell 2.0 architecture with a GB20B chip, while the NVIDIA RTX 5000 Embedded Ada Generation uses Ada Lovelace architecture with an AD103 chip.

Q: How much memory does each GPU offer?

A: The N1X 48SM has 128 GB of LPDDR5X memory on a 256-bit bus, while the RTX 5000 Embedded Ada Generation has 16 GB of GDDR6 memory on a 256-bit bus.

Q: Which GPU has a higher boost clock?

A: The N1X 48SM boosts to 2346 MHz, which is significantly higher than the RTX 5000 Embedded Ada Generation's 1680 MHz boost clock.

Q: What is the FP32 performance difference?

A: The RTX 5000 Embedded Ada Generation delivers 32.69 TFLOPS of FP32 compute, while the N1X 48SM delivers 28.83 TFLOPS, a difference of about 13 percent in favor of the RTX 5000.

Q: Which GPU supports more modern graphics APIs?

A: The RTX 5000 Embedded Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the N1X 48SM has no listed API support in the database.

Q: What is the memory bandwidth comparison?

A: The RTX 5000 Embedded Ada Generation has a memory bandwidth of 576.0 GB/s, more than double the N1X 48SM's 273.2 GB/s.

Architecture Differences

The two GPUs represent distinct architectural approaches from NVIDIA. The N1X 48SM is part of the Blackwell IGP (N1x) generation, using the GB20B chip fabricated on a 5 nm process at TSMC. The RTX 5000 Embedded Ada Generation belongs to the Ada-MW generation (successor to Ampere-MW), using the AD103 chip, also on a 5 nm TSMC process. Both chips share the same foundry and process node, but the underlying designs diverge substantially.

The N1X 48SM's die measures 382 mm², slightly larger than the RTX 5000's 379 mm². The RTX 5000 has a known transistor count of 45,900 million, which works out to a density of 121.1 million transistors per mm², while the N1X 48SM's transistor count is not recorded in the database.

Compute resources are allocated very differently. The RTX 5000 Embedded Ada Generation carries 9728 shading units, 304 tensor cores, and 76 RT cores, while the N1X 48SM has 6144 shading units, 192 tensor cores, and 48 RT cores. The N1X 48SM counters with 384 texture mapping units versus the RTX 5000's 304, giving it a higher texture rate of 900.9 GTexel/s compared to 510.7 GTexel/s. The RTX 5000 has far more ROPs at 112 versus only 48 for the N1X 48SM.

The N1X 48SM's memory subsystem uses LPDDR5X with a 256-bit bus delivering 273.2 GB/s of bandwidth. The RTX 5000 uses GDDR6 on the same 256-bit bus but achieves 576.0 GB/s, a massive bandwidth advantage. Memory capacity is the reverse: the N1X 48SM has 128 GB, while the RTX 5000 has 16 GB.

Clock behavior differs notably. The N1X 48SM has a low base clock of 741 MHz but boosts to 2346 MHz. The RTX 5000 has a higher base clock of 930 MHz but a more conservative boost of 1680 MHz. These clock profiles reflect different design priorities, with the N1X 48SM relying on a wide boost headroom and the RTX 5000 operating at a steadier pace.

The N1X 48SM uses PCIe 5.0 x16, while the RTX 5000 uses PCIe 4.0 x16. Display outputs also differ: the N1X 48SM has 1x HDMI, while the RTX 5000's outputs are portable device dependent. The RTX 5000 has a recorded TDP of 120 W, while the N1X 48SM's TDP is unknown. Both are integrated-class (IGP) parts with no power connectors.

API support separates them clearly. The RTX 5000 exposes DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The N1X 48SM's API support is not listed, indicating it may not target conventional graphics workloads.

Head-to-Head Benchmarks

The database contains no recorded head-to-head benchmark results for these two GPUs, and neither has an average benchmark score. Both sit at the 50th percentile among all GPUs in the database. Without measured performance data, the comparison must rely entirely on specification analysis.

The clearest wins for the RTX 5000 Embedded Ada Generation are in memory bandwidth, pixel throughput, and raw FP32 compute. Its 576.0 GB/s bandwidth is more than double the N1X 48SM's 273.2 GB/s, a decisive advantage for any workload that streams large datasets. Pixel rate also favors the RTX 5000 at 188.2 GPixel/s versus 112.6 GPixel/s, reflecting its 112 ROPs against just 48. FP32 performance sits at 32.69 TFLOPS for the RTX 5000 versus 28.83 TFLOPS for the N1X 48SM, a lead of roughly 13 percent.

The N1X 48SM takes the texture throughput crown with 900.9 GTexel/s against 510.7 GTexel/s, driven by its 384 TMUs. It also has a much higher boost clock at 2346 MHz versus 1680 MHz. In memory capacity, the N1X 48SM's 128 GB dwarfs the RTX 5000's 16 GB, an eightfold difference that matters for large in-memory datasets.

The RTX 5000 has more shading units (9728 versus 6144), more tensor cores (304 versus 192), and more RT cores (76 versus 48). These counts suggest advantages in general compute, AI inference, and ray tracing workloads, though no benchmark scores confirm this. The N1X 48SM's tensor core count of 192 is still substantial, but the RTX 5000's 304 represents a 58 percent advantage.

Neither GPU has an established benchmark score in the database, so the percentile ranking of 50 for both reflects the absence of data rather than measured equivalence. The wins described here are architectural inferences from the recorded specifications.

Specification Differences

| Specification | NVIDIA N1X 48SM | NVIDIA RTX 5000 Embedded Ada Generation |

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

| Architecture | Blackwell 2.0 | Ada Lovelace |

| Chip | GB20B | AD103 |

| Process Node | 5 nm | 5 nm |

| Transistors | unknown | 45,900 million |

| Die Size | 382 mm² | 379 mm² |

| Transistor Density | Not listed | 121.1M / mm² |

| Base Clock | 741 MHz | 930 MHz |

| Boost Clock | 2346 MHz | 1680 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 |

| Shading Units | 6144 | 9728 |

| TMUs | 384 | 304 |

| ROPs | 48 | 112 |

| RT Cores | 48 | 76 |

| Tensor Cores | 192 | 304 |

| Pixel Rate | 112.6 GPixel/s | 188.2 GPixel/s |

| Texture Rate | 900.9 GTexel/s | 510.7 GTexel/s |

| FP32 | 28.83 TFLOPS | 32.69 TFLOPS |

| FP16 | 28.83 TFLOPS (1:1) | 32.69 TFLOPS (1:1) |

| TDP | unknown | 120 W |

| 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 | Not listed | Ampere-MW |

| Successor | Not listed | Blackwell-MW |

The Verdict

The data points to two very different design intents. The NVIDIA N1X 48SM is a Blackwell-generation integrated part with an enormous 128 GB memory pool, a high 2346 MHz boost clock, and dominant texture throughput at 900.9 GTexel/s. The RTX 5000 Embedded Ada Generation is an Ada-MW part with 120 W TDP, full modern graphics API support, and a balanced specification sheet that leads in FP32 compute, pixel rate, memory bandwidth, and core counts across shading, tensor, and RT units.

For conventional graphics and compute workloads, the RTX 5000 Embedded Ada Generation has the stronger specification profile. Its 32.69 TFLOPS FP32 output exceeds the N1X 48SM by about 13 percent. Its 576.0 GB/s memory bandwidth is more than double the N1X 48SM's 273.2 GB/s, which directly benefits texture streaming, framebuffer operations, and data-intensive shaders. The 112 ROPs against 48 gives it a 188.2 GPixel/s pixel rate versus 112.6 GPixel/s. The RTX 5000 also supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, where the N1X 48SM has no recorded API support.

The N1X 48SM counters with attributes that matter in specific contexts. Its 128 GB memory capacity is unmatched by the RTX 5000's 16 GB, making it suitable for workloads that need to hold very large working sets on the GPU. Its boost clock of 2346 MHz is well above the RTX 5000's 1680 MHz, and its texture rate of 900.9 GTexel/s nearly doubles the RTX 5000's 510.7 GTexel/s. The N1X 48SM also uses PCIe 5.0 x16 versus PCIe 4.0 x16.

The RTX 5000 is the better-rounded part for graphics and compute acceleration. The N1X 48SM is the capacity play, offering memory size and texture throughput that the RTX 5000 cannot match, but at the cost of compute throughput, bandwidth, and graphics API coverage.

Where Each One Wins

The RTX 5000 Embedded Ada Generation wins in raw compute delivery. FP32 performance of 32.69 TFLOPS edges out the N1X 48SM's 28.83 TFLOPS, and FP16 follows the same pattern at equal ratios. The shading unit count of 9728 versus 6144 reinforces this advantage. AI and ray tracing workloads also favor the RTX 5000, with 304 tensor cores against 192 and 76 RT cores against 48.

Memory bandwidth is another clear RTX 5000 victory. At 576.0 GB/s, it moves data more than twice as fast as the N1X 48SM's 273.2 GB/s, which matters for high-resolution rendering, large textures, and compute kernels that iterate over memory repeatedly. The pixel throughput advantage of 188.2 GPixel/s versus 112.6 GPixel/s gives the RTX 5000 the edge in fill-rate-bound scenes and high-resolution output.

The RTX 5000 wins on graphics API compatibility. DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support enable modern rendering features, while the N1X 48SM has no listed API support. The RTX 5000 also has a recorded 120 W TDP, making its power behavior known, while the N1X 48SM's power draw is unrecorded.

The N1X 48SM wins decisively on memory capacity. Its 128 GB versus 16 GB is an eightfold difference, positioning it for workloads that require massive in-memory datasets, such as large language model inference or scientific computing. Texture throughput also goes to the N1X 48SM at 900.9 GTexel/s versus 510.7 GTexel/s, and its 384 TMUs give it a structural advantage in texture-heavy workloads.

The boost clock of 2346 MHz versus 1680 MHz gives the N1X 48SM a clock-speed advantage for latency-sensitive single-threaded tasks. Its PCIe 5.0 x16 interface is a generational step ahead of the RTX 5000's PCIe 4.0 x16, enabling faster host-to-device transfers where the platform supports it. The N1X 48SM also has a newer release date of 2026-05-31 compared to the RTX 5000's 2023-03-20.

The two GPUs also differ in connectivity. The N1X 48SM provides 1x HDMI, while the RTX 5000's display outputs are portable device dependent, meaning the N1X 48SM offers a fixed, known display connection. The RTX 5000's predecessor is Ampere-MW and its successor is Blackwell-MW, placing it in a clear product lineage, while the N1X 48SM has no recorded predecessor or successor.