NVIDIA N1 20SM vs NVIDIA RTX 3000 Mobile Ada Generation Comparison

NVIDIA
GEFORCE

NVIDIA N1 20SM

CORE STATE GB20B
VRAM 128 GB
CLOCK SPEED 2346 MHz
TDP unknown
BUS WIDTH 256 bit
ARCHITECTURE Blackwell 2.0
nm
PROCESS 5 nm
LAUNCH DATE 2026
VS
NVIDIA
GEFORCE

RTX 3000 Mobile Ada Generation

CORE STATE AD106
VRAM 8 GB
CLOCK SPEED 1695 MHz
TDP 115 W
BUS WIDTH 128 bit
ARCHITECTURE Ada Lovelace
nm
PROCESS 5 nm
LAUNCH DATE 2023

Analysis: NVIDIA N1 20SM vs NVIDIA RTX 3000 Mobile Ada Generation

Head-to-Head Benchmarks

The database contains no recorded benchmark scores for either the NVIDIA N1 20SM or the NVIDIA RTX 3000 Mobile Ada Generation. Both entries show an average benchmark score of zero, and the head-to-head benchmark table is empty. Consequently, there are no measured wins for either part in any workload category.

Both GPUs sit at the 50th percentile among all GPUs in the database, which indicates a median ranking, but this percentile is assigned without any underlying performance data. The absence of benchmark results means that direct performance comparisons, such as frame rates, compute throughput, or rendering times, cannot be established from the recorded data.

What can be compared are the theoretical specifications that appear in the database. The RTX 3000 Mobile Ada Generation delivers a higher FP32 peak at 15.62 TFLOPS compared to the N1 20SM's 12.01 TFLOPS. Similarly, the RTX 3000 Mobile Ada Generation reaches a pixel rate of 81.36 GPixel/s, while the N1 20SM manages 56.30 GPixel/s. In texture throughput, however, the N1 20SM posts 375.4 GTexel/s, which exceeds the RTX 3000 Mobile Ada Generation's 244.1 GTexel/s.

Memory bandwidth is close between the two. The N1 20SM provides 273.2 GB/s, and the RTX 3000 Mobile Ada Generation provides 256.0 GB/s, a difference of roughly 6.7% in favor of the N1 20SM. The memory capacity differs substantially, with the N1 20SM offering 128 GB of LPDDR5X on a 256-bit bus, while the RTX 3000 Mobile Ada Generation offers 8 GB of GDDR6 on a 128-bit bus.

The RTX 3000 Mobile Ada Generation has more shading units at 4608 versus 2560 for the N1 20SM. It also has more RT cores (36 versus 20) and more tensor cores (144 versus 80). The N1 20SM has more texture mapping units at 160 versus 144, but the RTX 3000 Mobile Ada Generation has double the ROPs at 48 versus 24. These are raw specifications, not measured outcomes, so they indicate capability ceilings rather than actual performance.

Where Each One Wins

Without benchmark data, the win analysis relies entirely on architectural and specification differences recorded in the database.

The N1 20SM appears positioned for memory-intensive workloads. Its 128 GB memory capacity and 273.2 GB/s bandwidth, paired with a 256-bit bus, suggest an advantage in scenarios that require large datasets resident in GPU memory, such as certain large-model inference or data processing tasks. The higher texture rate, 375.4 GTexel/s, also points to strength in texture-heavy rendering pipelines, though the lower pixel rate of 56.30 GPixel/s may limit final output resolution throughput.

The RTX 3000 Mobile Ada Generation shows strengths in compute-heavy and graphics-API-supported scenarios. Its FP32 throughput of 15.62 TFLOPS is 30% higher than the N1 20SM's 12.01 TFLOPS, indicating an edge in general-purpose compute. The pixel rate of 81.36 GPixel/s is 45% higher, which benefits rasterization-heavy workloads. The RTX 3000 Mobile Ada Generation also supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, whereas the N1 20SM lists no API support in the database. For any application that relies on these graphics APIs, the RTX 3000 Mobile Ada Generation is the only option with recorded compatibility.

The RTX 3000 Mobile Ada Generation also carries a 115 W TDP, which gives a power envelope for sustained load, while the N1 20SM's TDP is listed as unknown. The RTX 3000 Mobile Ada Generation uses PCIe 4.0 x16, while the N1 20SM uses PCIe 5.0 x16, which could affect data transfer rates with compatible platforms, though no measured bandwidth figures exist in the database.

Architecture Differences

The two GPUs come from different NVIDIA architectures. The N1 20SM uses the Blackwell 2.0 architecture with the GB20B chip, belonging to the Blackwell IGP (N1x) generation. The RTX 3000 Mobile Ada Generation uses the Ada Lovelace architecture with the AD106 chip, part of the Ada-MW generation.

Both are fabricated on a 5 nm process at TSMC. The N1 20SM has a die size of 382 mm², while the RTX 3000 Mobile Ada Generation has a die size of 188 mm². The RTX 3000 Mobile Ada Generation has a recorded transistor count of 22,900 million and a transistor density of 121.8 million per mm². The N1 20SM's transistor count is listed as unknown, and no density figure is provided.

The N1 20SM has a base clock of 741 MHz and a boost clock of 2346 MHz. The RTX 3000 Mobile Ada Generation has a base clock of 1395 MHz and a boost clock of 1695 MHz. Memory clocks differ: the N1 20SM runs at 1067 MHz with 8.5 Gbps effective, while the RTX 3000 Mobile Ada Generation runs at 2000 MHz with 16 Gbps effective. The N1 20SM uses LPDDR5X memory, while the RTX 3000 Mobile Ada Generation uses GDDR6.

The N1 20SM has 20 RT cores and 80 tensor cores. The RTX 3000 Mobile Ada Generation has 36 RT cores and 144 tensor cores. Both have FP16 throughput at a 1:1 ratio with FP32, meaning the N1 20SM delivers 12.01 TFLOPS for both, and the RTX 3000 Mobile Ada Generation delivers 15.62 TFLOPS for both.

The N1 20SM has no API support listed for DirectX, OpenGL, or Vulkan, while the RTX 3000 Mobile Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display outputs differ: the N1 20SM has 1x HDMI, while the RTX 3000 Mobile Ada Generation has display outputs described as "Portable Device Dependent."

The N1 20SM's release date is recorded as May 31, 2026, while the RTX 3000 Mobile Ada Generation's release date is March 20, 2023. The RTX 3000 Mobile Ada Generation has a predecessor, Ampere-MW, and a successor, Blackwell-MW. The N1 20SM lists no predecessor or successor.

FAQ

Q: Which GPU has more shading units?

A: The NVIDIA RTX 3000 Mobile Ada Generation has 4608 shading units, while the NVIDIA N1 20SM has 2560 shading units.

Q: What is the memory capacity difference between the two?

A: The NVIDIA N1 20SM has 128 GB of LPDDR5X memory on a 256-bit bus with 273.2 GB/s bandwidth. The NVIDIA RTX 3000 Mobile Ada Generation has 8 GB of GDDR6 memory on a 128-bit bus with 256.0 GB/s bandwidth.

Q: Which GPU supports DirectX 12 Ultimate?

A: Only the NVIDIA RTX 3000 Mobile Ada Generation lists DirectX 12 Ultimate (12_2) support. The NVIDIA N1 20SM has no DirectX, OpenGL, or Vulkan support recorded in the database.

Q: How do the boost clocks compare?

A: The NVIDIA N1 20SM has a boost clock of 2346 MHz, which is higher than the NVIDIA RTX 3000 Mobile Ada Generation's boost clock of 1695 MHz.

Q: Which GPU has the higher FP32 peak throughput?

A: The NVIDIA RTX 3000 Mobile Ada Generation has a higher FP32 peak at 15.62 TFLOPS, compared to the NVIDIA N1 20SM's 12.01 TFLOPS.

Q: What are the process nodes for both GPUs?

A: Both the NVIDIA N1 20SM and the NVIDIA RTX 3000 Mobile Ada Generation are fabricated on a 5 nm process at TSMC.

Specification Differences

| Specification | NVIDIA N1 20SM | NVIDIA RTX 3000 Mobile Ada Generation |

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

| Architecture | Blackwell 2.0 | Ada Lovelace |

| Chip | GB20B | AD106 |

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

| Process Node | 5 nm | 5 nm |

| Foundry | TSMC | TSMC |

| Transistors | unknown | 22,900 million |

| Die Size | 382 mm² | 188 mm² |

| Transistor Density | null | 121.8M / mm² |

| Base Clock | 741 MHz | 1395 MHz |

| Boost Clock | 2346 MHz | 1695 MHz |

| Memory Clock | 1067 MHz 8.5 Gbps effective | 2000 MHz 16 Gbps effective |

| Memory Size | 128 GB | 8 GB |

| Memory Type | LPDDR5X | GDDR6 |

| Memory Bus Width | 256 bit | 128 bit |

| Memory Bandwidth | 273.2 GB/s | 256.0 GB/s |

| Shading Units | 2560 | 4608 |

| TMUs | 160 | 144 |

| ROPs | 24 | 48 |

| RT Cores | 20 | 36 |

| Tensor Cores | 80 | 144 |

| Pixel Rate | 56.30 GPixel/s | 81.36 GPixel/s |

| Texture Rate | 375.4 GTexel/s | 244.1 GTexel/s |

| FP32 | 12.01 TFLOPS | 15.62 TFLOPS |

| FP16 | 12.01 TFLOPS (1:1) | 15.62 TFLOPS (1:1) |

| TDP | unknown | 115 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 | null | Ampere-MW |

| Successor | null | Blackwell-MW |

| Production Status | Active | Active |

The Verdict

The recorded data shows two very different parts with no measured benchmark results to separate them. Without scores, the verdict must be based on specifications and intended roles.

The NVIDIA N1 20SM, with its 128 GB memory capacity and PCIe 5.0 x16 interface, appears oriented toward memory-capacity-bound workloads. Its higher texture rate and higher boost clock (2346 MHz versus 1695 MHz) are notable, but the lack of graphics API support in the database limits its applicability to conventional rendering or gaming tasks. The 1x HDMI output and IGP slot width suggest an integrated or embedded context.

The NVIDIA RTX 3000 Mobile Ada Generation presents a more conventional mobile GPU profile. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, which makes it compatible with standard graphics software. Its FP32 throughput is 30% higher, its pixel rate is 45% higher, and it has more shading units, RT cores, and tensor cores. The 115 W TDP provides a defined power envelope, though the database does not confirm how that translates to real-world performance.

For users requiring broad software compatibility and higher raw compute throughput, the RTX 3000 Mobile Ada Generation is the better choice according to the data. For workloads that need large memory capacity, the N1 20SM's 128 GB allocation is unmatched in this comparison, but the absence of API support in the database means its software ecosystem is not documented.

The database records no benchmark scores for either GPU, so the verdict is provisional and based on specification differences only. The N1 20SM suits memory-heavy, API-agnostic workloads. The RTX 3000 Mobile Ada Generation suits compute and graphics workloads that rely on established APIs. Neither part has a measured performance advantage in the current data.

DETAILED SPECIFICATIONS

SPECIFICATION
N1 20SM
RTX 3000 Mobile Ada Generation
Core Specs
Shading Units
2,560
4,608 +80.0%
Shaders
2,560
4,608 +80.0%
TMUs
160
144 -10.0%
ROPs
24
48 +100.0%
SM Count
20
36 +80.0%
Clocks
Base Clock
741 MHz
1395 MHz
Boost Clock
2346 MHz
1695 MHz
Memory Clock
1067 MHz 8.5 Gbps effective
2000 MHz 16 Gbps effective
Memory
Memory Size
128 GB
8 GB
VRAM (MB)
131,072
8,192 -93.8%
Memory Type
LPDDR5X
GDDR6
Memory Bus
256 bit
128 bit
Bandwidth
273.2 GB/s
256.0 GB/s
Cache
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
32 MB
Performance
Pixel Rate
56.30 GPixel/s
81.36 GPixel/s
Texture Rate
375.4 GTexel/s
244.1 GTexel/s
FP32 (TFLOPS)
12.01 TFLOPS
15.62 TFLOPS
FP64 (TFLOPS)
187.7 GFLOPS (1:64)
244.1 GFLOPS (1:64)
FP16 (TFLOPS)
12.01 TFLOPS (1:1)
15.62 TFLOPS (1:1)
AI/RT
RT Cores
20
36 +80.0%
Tensor Cores
80
144 +80.0%
Power
TDP
unknown
115 W
TDP (W)
—
115
Power Connectors
None
None
Architecture
Architecture
Blackwell 2.0
Ada Lovelace
GPU Name
GB20B
AD106
Generation
Blackwell IGP (N1x)
Ada-MW (x000A)
Process Size
5 nm
5 nm
Transistors
unknown
22,900 million
Die Size
382 mm²
188 mm²
Foundry
TSMC
TSMC
Density
—
121.8M / mm²
API Support
DirectX
—
12 Ultimate (12_2)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
3.0
CUDA
12.1
8.9
Shader Model
—
6.8
Physical
Slot Width
IGP
IGP
Outputs
1x HDMI
Portable Device Dependent
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
—
Ampere-MW
Successor
—
Blackwell-MW
View N1 20SM Details View RTX 3000 Mobile Ada Generation Details