NVIDIA N1X 48SM vs NVIDIA RTX 1000 Mobile Ada Generation Comparison

FAQ

Q: How do the two GPUs compare in raw FP32 compute performance?

A: The NVIDIA N1X 48SM delivers 28.83 TFLOPS FP32, which is approximately 2.8 times the 10.37 TFLOPS of the RTX 1000 Mobile Ada Generation. This is the single largest performance gap between the two parts.

Q: What are the memory configurations of each GPU?

A: The N1X 48SM uses 128 GB of LPDDR5X across a 256-bit bus, yielding 273.2 GB/s bandwidth. The RTX 1000 Mobile has 6 GB of GDDR6 on a 96-bit bus, providing 192.0 GB/s. The N1X offers over 21 times the capacity and 1.42 times the bandwidth.

Q: Which GPU has more CUDA cores and tensor cores?

A: The N1X 48SM has 6144 shading units and 192 tensor cores, while the RTX 1000 Mobile has 2560 shading units and 80 tensor cores. The N1X also has 48 RT cores versus 20 for the RTX 1000.

Q: What is the process node and die size difference?

A: Both are manufactured on a 5 nm process at TSMC. However, the N1X 48SM uses a 382 mm² die (GB20B chip), while the RTX 1000 Mobile uses a 159 mm² die (AD107 chip) with 18,900 million transistors and a density of 118.9M per mm².

Q: Which GPU has higher clock speeds?

A: The RTX 1000 Mobile has a base clock of 1485 MHz and boost of 2025 MHz. The N1X 48SM has a lower base of 741 MHz but a higher boost of 2346 MHz. Despite the lower base, the N1X achieves substantially higher throughput due to its larger execution resource pool.

Q: What API support does each GPU provide?

A: The RTX 1000 Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The N1X 48SM lists N/A for DirectX, OpenGL, and Vulkan in the database, indicating its API capabilities are not specified or yet to be determined.

Architecture Differences

The two GPUs represent fundamentally different architectural generations and design philosophies from NVIDIA. The N1X 48SM is built on Blackwell 2.0 architecture, using the GB20B chip, and belongs to the Blackwell IGP (N1x) generation. The RTX 1000 Mobile Ada Generation uses Ada Lovelace architecture with the AD107 chip, part of the Ada-MW (x000A) generation. This generation gap explains many of the feature and capability differences observed in the data.

The N1X 48SM is an integrated graphics processor (IGP) with a large 382 mm² die. Its chip is built for high-throughput computing with 6144 shading units, 384 texture mapping units, and 48 ROPs. The GPU includes 48 RT cores and 192 tensor cores. The architecture is designed for Blackwell 2.0, which represents NVIDIA's latest compute platform. The die size is more than double that of the RTX 1000 Mobile, reflecting the much larger execution resource pool.

The RTX 1000 Mobile uses the smaller AD107 chip at 159 mm² with 18,900 million transistors. It has 2560 shading units, 80 TMUs, and 48 ROPs, along with 20 RT cores and 80 tensor cores. The transistor density is recorded at 118.9M per mm², which is a metric not provided for the N1X. The RTX 1000 Mobile belongs to the GeForce 10-series family and has a documented successor in the Blackwell-MW lineup, while the N1X lists no predecessor or successor in the database.

Clock behavior differs substantially. The N1X 48SM has a modest base clock of 741 MHz but boosts to 2346 MHz. The RTX 1000 Mobile runs at a higher base of 1485 MHz and boosts to 2025 MHz. The N1X's lower base clock suggests a design tuned for power efficiency at idle, while the high boost enables significant peak performance. The RTX 1000 Mobile maintains a more consistent clock profile, typical of mobile discrete GPUs.

Memory architecture shows the starkest divergence. The N1X 48SM uses LPDDR5X memory with 128 GB capacity, a 256-bit bus, and 273.2 GB/s bandwidth. Memory clocks are listed at 1067 MHz with 8.5 Gbps effective data rate. The RTX 1000 Mobile uses GDDR6 with 6 GB capacity, a 96-bit bus, and 192.0 GB/s bandwidth, at 2000 MHz with 16 Gbps effective. The N1X clearly targets memory-heavy workloads, while the RTX 1000 Mobile is configured for conventional mobile graphics tasks.

The bus interface also differs: the N1X 48SM uses PCIe 5.0 x16, while the RTX 1000 Mobile uses PCIe 4.0 x8. Display output is listed as 1x HDMI for the N1X, whereas the RTX 1000 Mobile is described as "Portable Device Dependent," indicating its outputs vary by laptop implementation. Power connectors are listed as "None" for both, and the N1X has an unknown TDP, while the RTX 1000 Mobile is rated at 35 W.

The RTX 1000 Mobile carries full API support with DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The N1X 48SM lists N/A for all three APIs in the database, which may indicate that API compatibility has not been formally recorded or that the IGP relies on different graphics interfaces. This is a notable caveat when considering software compatibility and driver support.

Head-to-Head Benchmarks

The recorded data shows no benchmark scores for either GPU, with both having an average benchmark score of 0 and zero entries in their benchmark lists. Similarly, the head-to-head benchmark comparison is empty, and neither GPU records any wins. The percentile versus all GPUs is identical at 50 for both parts. This means the database currently lacks empirical performance measurements for these two products.

Despite the absence of benchmark scores, the specification data provides clear performance indicators. The FP32 compute rates show the N1X 48SM at 28.83 TFLOPS versus 10.37 TFLOPS for the RTX 1000 Mobile. This represents a 2.78x advantage for the N1X in raw shader throughput. When translated to practical terms, the N1X can process roughly three times the floating-point operations per second of the RTX 1000 Mobile.

Texture and pixel throughput follow similar patterns but with different magnitudes. The N1X 48SM achieves 900.9 GTexel/s texture fill rate versus 162.0 GTexel/s for the RTX 1000 Mobile, a 5.56x advantage. Pixel rates are closer: 112.6 GPixel/s for the N1X versus 97.20 GPixel/s for the RTX 1000 Mobile, a 1.16x difference. The large texture rate gap suggests the N1X has proportionally more texture hardware relative to its shading units, while pixel output is more balanced.

Memory bandwidth favors the N1X 48SM at 273.2 GB/s versus 192.0 GB/s, a 1.42x advantage. However, the memory clock rates tell a different story. The RTX 1000 Mobile runs its GDDR6 at 2000 MHz with 16 Gbps effective, while the N1X uses LPDDR5X at 1067 MHz with 8.5 Gbps effective. The RTX 1000's memory operates at nearly double the effective data rate, but the N1X compensates with a 256-bit bus versus 96-bit, resulting in higher overall bandwidth.

Clock speed comparison shows the RTX 1000 Mobile has a 1485 MHz base clock versus 741 MHz for the N1X, a 2.0x difference at base. Boost clocks are closer: 2025 MHz for the RTX 1000 versus 2346 MHz for the N1X, with the N1X holding a 1.16x advantage. The boost clock ratio aligns closely with the pixel rate ratio, suggesting that ROP throughput scales with boost frequency when other factors are held constant.

The N1X 48SM has 2.4x more shading units, 4.8x more TMUs, 2.4x more RT cores, and 2.4x more tensor cores than the RTX 1000 Mobile. ROP counts are identical at 48 for both. These ratios indicate that NVIDIA scaled the N1X's compute and ray tracing resources roughly equally, while disproportionately increasing texture units. The texture unit ratio of 4.8x is the most aggressive scaling among all resource categories.

Transistor data is partially available. The RTX 1000 Mobile has 18,900 million transistors on its 159 mm² die. The N1X 48SM's transistor count is listed as unknown, so a direct comparison cannot be made. The die size ratio is 2.40x in favor of the N1X, which correlates with its larger execution resource pool.

Specification Differences

The following fields differ between the two GPUs:

• Architecture: Blackwell 2.0 (N1X 48SM) versus Ada Lovelace (RTX 1000 Mobile)
• Chip: GB20B versus AD107
• Generation: Blackwell IGP (N1x) versus Ada-MW (x000A)
• Series: None versus GeForce 10-series
• Transistors: Unknown versus 18,900 million
• Die Size: 382 mm² versus 159 mm²
• Transistor Density: Not provided versus 118.9M / mm²
• Base Clock: 741 MHz versus 1485 MHz
• Boost Clock: 2346 MHz versus 2025 MHz
• Memory Clock: 1067 MHz 8.5 Gbps effective versus 2000 MHz 16 Gbps effective
• Memory Size: 128 GB versus 6 GB
• Memory Type: LPDDR5X versus GDDR6
• Memory Bus Width: 256 bit versus 96 bit
• Memory Bandwidth: 273.2 GB/s versus 192.0 GB/s
• Shading Units: 6144 versus 2560
• TMUs: 384 versus 80
• RT Cores: 48 versus 20
• Tensor Cores: 192 versus 80
• Pixel Rate: 112.6 GPixel/s versus 97.20 GPixel/s
• Texture Rate: 900.9 GTexel/s versus 162.0 GTexel/s
• FP32: 28.83 TFLOPS versus 10.37 TFLOPS
• FP16: 28.83 TFLOPS (1:1) versus 10.37 TFLOPS (1:1)
• TDP: Unknown versus 35 W
• Bus Interface: PCIe 5.0 x16 versus PCIe 4.0 x8
• Display Outputs: 1x HDMI versus Portable Device Dependent
• DirectX: N/A versus 12 Ultimate (12_2)
• OpenGL: N/A versus 4.6
• Vulkan: N/A versus 1.4
• Release Date: 2026-05-31 versus 2024-02-25
• Predecessor: None versus Ampere-MW
• Successor: None versus Blackwell-MW

Fields that are identical include manufacturer (NVIDIA), process node (5 nm), foundry (TSMC), ROPs (48), slot width (IGP), power connectors (None), production status (Active), and the absence of a launch MSRP.

The Verdict

The data supports a clear performance hierarchy between these two GPUs, with the N1X 48SM holding substantial advantages in nearly every compute and memory metric. FP32 throughput is 2.78x higher, texture rate is 5.56x higher, and memory bandwidth is 1.42x higher. The N1X also has 2.4x more shading units and 2.4x more tensor cores. These specification advantages indicate that the N1X 48SM is designed for significantly heavier workloads than the RTX 1000 Mobile.

The RTX 1000 Mobile's strengths are its higher base clock (1485 MHz versus 741 MHz), its documented API support (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4), and its defined TDP of 35 W. The N1X lists no API support in the database, which creates uncertainty about its software ecosystem. For applications requiring established graphics APIs and predictable power envelopes, the RTX 1000 Mobile offers clearer compatibility.

Release timing also differs. The RTX 1000 Mobile was released in 2024, while the N1X 48SM is dated 2026. The RTX 1000 Mobile has documented lineage with a predecessor (Ampere-MW) and successor (Blackwell-MW), while the N1X lists neither. This suggests the RTX 1000 Mobile is a mature product within a defined product family, whereas the N1X represents a newer design without established market positioning.

The N1X 48SM's 128 GB memory capacity is extraordinary, exceeding the RTX 1000 Mobile's 6 GB by a factor of 21.3. This capacity, combined with 273.2 GB/s bandwidth, positions the N1X for memory-intensive applications such as large model inference or data processing. The RTX 1000 Mobile's 192.0 GB/s bandwidth with 6 GB capacity is conventional for mobile discrete GPUs in the 35 W class.

For users prioritizing raw computational throughput, texture processing, and memory capacity, the N1X 48SM is the clear choice based on specification data. For users requiring established API support, defined power consumption, and a proven mobile GPU lineage, the RTX 1000 Mobile presents the safer integration path. The N1X's unknown TDP and N/A API entries are notable gaps in the database that warrant consideration.

Where Each One Wins

NVIDIA N1X 48SM wins in:

• FP32 compute: 28.83 TFLOPS versus 10.37 TFLOPS, a 2.78x advantage
• FP16 compute: 28.83 TFLOPS versus 10.37 TFLOPS, both at 1:1 ratio
• Texture fill rate: 900.9 GTexel/s versus 162.0 GTexel/s, a 5.56x advantage
• Pixel fill rate: 112.6 GPixel/s versus 97.20 GPixel/s, a 1.16x advantage
• Memory capacity: 128 GB versus 6 GB
• Memory bandwidth: 273.2 GB/s versus 192.0 GB/s, a 1.42x advantage
• Shading units: 6144 versus 2560
• Texture units: 384 versus 80
• RT cores: 48 versus 20
• Tensor cores: 192 versus 80
• Boost clock: 2346 MHz versus 2025 MHz
• Bus interface: PCIe 5.0 x16 versus PCIe 4.0 x8
• Die size: 382 mm² versus 159 mm²

NVIDIA RTX 1000 Mobile Ada Generation wins in:

• Base clock: 1485 MHz versus 741 MHz, a 2.0x advantage
• Memory clock: 2000 MHz 16 Gbps effective versus 1067 MHz 8.5 Gbps effective
• API support: DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4 versus N/A entries
• Defined TDP: 35 W versus unknown
• Transistor data: 18,900 million transistors and 118.9M / mm² density documented, versus unknown
• Product lineage: predecessor (Ampere-MW) and successor (Blackwell-MW) identified, versus none listed
• Earlier release: 2024 versus 2026

The N1X 48SM wins on overall compute capability, memory subsystem, and resource counts. The RTX 1000 Mobile wins on clock speed at base, software API compatibility, and product documentation completeness. The verdict from the data: the N1X 48SM is the stronger performer on paper, while the RTX 1000 Mobile offers more complete integration data for system designers.