NVIDIA GeForce RTX 4070 Mobile vs NVIDIA H20 NVL16 Comparison

Where Each One Wins

The dataset presents two very different NVIDIA accelerators with almost no overlapping use cases. The GeForce RTX 4070 Mobile is a laptop-oriented GPU with a full suite of real-world benchmark scores, while the H20 NVL16 is a server accelerator with no recorded benchmark scores in the database. This makes a direct performance comparison impossible, but the recorded specifications and the RTX 4070 Mobile's benchmark results tell a clear story about where each part belongs.

The RTX 4070 Mobile wins in every measurable benchmark category, simply because it has benchmark data and the H20 NVL16 has none. Its average benchmark score of 27,435 places it in the 73rd percentile of all GPUs in the database. That average score puts it effectively tied with the AMD Radeon RX 6700 XT, which scores 27,425 (a 0% delta). It sits 0.5% behind the GeForce RTX 3090 (27,565), 1.1% ahead of the RTX PRO 4000 Blackwell (27,135), and 1.5% behind the Radeon Pro Vega 20 (27,839). Those margins are all within noise, indicating the RTX 4070 Mobile delivers desktop-class compute performance in a mobile form factor.

For the H20 NVL16, the database shows a 50th percentile ranking with an average benchmark score of zero, meaning the hardware has not been exercised through the standard benchmark suite. The wins for this part are architectural and capacity-based. It holds a massive memory advantage with 96 GB of HBM3 versus 8 GB of GDDR6, and its FP16 throughput is 79.07 TFLOPS, more than five times the RTX 4070 Mobile's 15.62 TFLOPS. Those are not benchmark wins in the traditional sense, but they define the H20 NVL16 as a compute-oriented server part.

Architecture Differences

The two GPUs come from different NVIDIA architectures. The RTX 4070 Mobile uses the AD106 chip built on Ada Lovelace, while the H20 NVL16 uses the GH100 chip on the Hopper architecture. Both are manufactured on a 5 nm process at TSMC, but the silicon differs dramatically in scale. The AD106 die measures 188 mm² and contains 22,900 million transistors, giving a density of 121.8 million transistors per square millimeter. The GH100 die is 814 mm², roughly 4.3 times larger, with 80,000 million transistors at a lower density of 98.3 million per square millimeter.

The core configurations diverge sharply. The RTX 4070 Mobile has 4,608 shading units, 144 texture mapping units, 48 ROPs, 36 ray tracing cores, and 144 tensor cores. The H20 NVL16 has 9,984 shading units, 312 TMUs, and 24 ROPs, with 312 tensor cores and no ray tracing cores listed. Despite having more than double the shading units and more than double the TMUs, the H20 NVL16's pixel rate is actually lower at 47.52 GPixel/s versus 81.36 GPixel/s for the RTX 4070 Mobile, a direct consequence of having only 24 ROPs. The texture rate tells the opposite story, with the H20 NVL16 reaching 617.8 GTexel/s against 244.1 GTexel/s.

Clock behavior also differs. The H20 NVL16 runs a base clock of 1830 MHz and boosts to 1980 MHz, while the RTX 4070 Mobile has a lower base of 1395 MHz and a boost of 1695 MHz. The memory subsystems are entirely different classes. The RTX 4070 Mobile uses 8 GB of GDDR6 on a 128-bit bus with 256.0 GB/s of bandwidth and a 2000 MHz memory clock (16 Gbps effective). The H20 NVL16 uses 96 GB of HBM3 on a 6144-bit bus with 4.03 TB/s of bandwidth and a 1313 MHz memory clock (5.3 Gbps effective). The bus width difference is the key enabler: 6144 bits versus 128 bits produces roughly 15.7 times the bandwidth.

Power and physical configuration separate them further. The RTX 4070 Mobile has a TDP of 115 W, uses an IGP slot width, no power connectors, and a PCIe 4.0 x8 interface. The H20 NVL16 draws 400 W, is an SXM module, requires an 800 W suggested PSU, and uses PCIe 5.0 x16. The RTX 4070 Mobile has display outputs described as portable device dependent, while the H20 NVL16 has no display outputs at all. API support follows the same split: the RTX 4070 Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the H20 NVL16 lists N/A for all three.

Head-to-Head Benchmarks

The head-to-head benchmark table in the database is empty, so no direct comparison scores exist. The only benchmark data available belongs to the RTX 4070 Mobile. Its Geekbench OpenCL score is 109,197, and its Geekbench Vulkan score is 108,367. Passmark results show 116 in DirectX 10, 179 in DirectX 11, 85 in DirectX 12, and 223 in DirectX 9. The 2D graphics score is 763, the 3D graphics score is 19,587, and the GPU compute score is 8,399.

These scores place the RTX 4070 Mobile in a competitive position against the nearest rivals in the database. The average benchmark score of 27,435 is essentially identical to the Radeon RX 6700 XT's 27,425, a 0% delta. The GeForce RTX 3090 scores 27,565, which is only 0.5% higher. The RTX PRO 4000 Blackwell scores 27,135, putting the RTX 4070 Mobile 1.1% ahead. The Radeon Pro Vega 20 scores 27,839, leaving the RTX 4070 Mobile 1.5% behind. In practical terms, the database shows the RTX 4070 Mobile trading blows with a previous-generation flagship desktop GPU and a current mid-range desktop card, all while operating within a 115 W mobile envelope.

The H20 NVL16 has no benchmark entries, so its compute potential must be inferred from the architecture section. Its FP32 throughput of 39.54 TFLOPS is 2.5 times the RTX 4070 Mobile's 15.62 TFLOPS. Its FP16 throughput of 79.07 TFLOPS at a 2:1 ratio dwarfs the RTX 4070 Mobile's 15.62 TFLOPS at 1:1. Its memory bandwidth of 4.03 TB/s is in a different class entirely. The absence of benchmark data means the database cannot confirm how those specifications translate into real-world workload performance, but the raw numbers indicate a compute accelerator aimed at large-scale AI or HPC tasks rather than graphics rendering.

The Verdict

The recorded data points to two distinct buyers. The RTX 4070 Mobile suits anyone needing a mobile GPU with proven graphics and compute performance. Its benchmark scores show it delivers performance on par with the GeForce RTX 3090 and Radeon RX 6700 XT, both desktop parts, within a 115 W power envelope. It supports modern graphics APIs including DirectX 12 Ultimate and Vulkan 1.4, has display outputs, and is built on a compact 188 mm² die. The 73rd percentile ranking across all GPUs in the database confirms it is a well-above-average performer.

The H20 NVL16 serves a completely different purpose. With no display outputs, no graphics API support, and a 400 W TDP in an SXM module form factor, it is not a graphics card in any conventional sense. Its 96 GB of HBM3 memory, 4.03 TB/s bandwidth, 312 tensor cores, and 79.07 TFLOPS of FP16 performance position it as a server accelerator for large model inference or training workloads. The 814 mm² die with 80,000 million transistors indicates a high-end compute chip, and the PCIe 5.0 x16 interface with an 800 W suggested PSU confirms its data center orientation.

Neither part is a substitute for the other. The RTX 4070 Mobile wins for client-side graphics, gaming, and general compute tasks where portability matters. The H20 NVL16 wins for memory-capacity-bound and FP16-heavy server workloads where graphics output is irrelevant. The database shows no overlap in their intended environments.

FAQ

Q: Which GPU has better raw compute performance?

A: The H20 NVL16 has higher theoretical throughput, with 39.54 TFLOPS FP32 and 79.07 TFLOPS FP16, compared to the RTX 4070 Mobile's 15.62 TFLOPS for both FP32 and FP16. However, the H20 NVL16 has no recorded benchmark scores in the database, so those figures remain theoretical.

Q: How does the RTX 4070 Mobile compare to its nearest rivals?

A: Its average benchmark score of 27,435 is 0% different from the AMD Radeon RX 6700 XT (27,425), 0.5% behind the GeForce RTX 3090 (27,565), 1.1% ahead of the RTX PRO 4000 Blackwell (27,135), and 1.5% behind the AMD Radeon Pro Vega 20 (27,839).

Q: Why does the H20 NVL16 have no benchmark scores?

A: The database lists an average benchmark score of zero and an empty benchmarks array for the H20 NVL16. It also has no nearest rivals listed. The recorded specifications indicate it is a server accelerator with no display outputs and no graphics API support, suggesting it is not intended for the standard benchmark suite.

Q: What is the memory capacity difference?

A: The H20 NVL16 has 96 GB of HBM3 memory on a 6144-bit bus, while the RTX 4070 Mobile has 8 GB of GDDR6 on a 128-bit bus. Memory bandwidth is 4.03 TB/s for the H20 NVL16 versus 256.0 GB/s for the RTX 4070 Mobile.

Q: Which GPU supports DirectX and Vulkan?

A: Only the RTX 4070 Mobile supports these APIs, with DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The H20 NVL16 lists N/A for DirectX, OpenGL, and Vulkan.

Q: What are the power requirements for each?

A: The RTX 4070 Mobile has a TDP of 115 W and uses no power connectors. The H20 NVL16 has a TDP of 400 W and a suggested PSU of 800 W.

Specification Differences

The two parts differ in nearly every specification field. The RTX 4070 Mobile uses the AD106 chip with 22,900 million transistors on a 188 mm² die, while the H20 NVL16 uses the GH100 chip with 80,000 million transistors on an 814 mm² die. Transistor density is 121.8M per mm² for the RTX 4070 Mobile and 98.3M per mm² for the H20 NVL16.

Clock speeds favor the H20 NVL16, with a base of 1830 MHz and boost of 1980 MHz versus 1395 MHz and 1695 MHz for the RTX 4070 Mobile. Memory clocks are 2000 MHz (16 Gbps effective) for the RTX 4070 Mobile and 1313 MHz (5.3 Gbps effective) for the H20 NVL16.

Core counts differ substantially. The RTX 4070 Mobile has 4,608 shading units, 144 TMUs, 48 ROPs, 36 RT cores, and 144 tensor cores. The H20 NVL16 has 9,984 shading units, 312 TMUs, 24 ROPs, no RT cores listed, and 312 tensor cores. Pixel rate is 81.36 GPixel/s for the RTX 4070 Mobile versus 47.52 GPixel/s for the H20 NVL16. Texture rate is 244.1 GTexel/s versus 617.8 GTexel/s.

The FP32 and FP16 throughput figures are 15.62 TFLOPS (1:1) for the RTX 4070 Mobile and 39.54 TFLOPS FP32 with 79.07 TFLOPS FP16 (2:1) for the H20 NVL16.

Memory systems are entirely different classes: 8 GB GDDR6 on a 128-bit bus with 256.0 GB/s bandwidth versus 96 GB HBM3 on a 6144-bit bus with 4.03 TB/s bandwidth.

Power and form factor: the RTX 4070 Mobile is an IGP with 115 W TDP and no power connectors, while the H20 NVL16 is an SXM module with 400 W TDP and an 800 W suggested PSU. Bus interfaces are PCIe 4.0 x8 and PCIe 5.0 x16, respectively. Display outputs are portable device dependent for the RTX 4070 Mobile and absent for the H20 NVL16. API support covers DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 for the RTX 4070 Mobile, with all three marked N/A for the H20 NVL16. Release dates are January 2023 for the RTX 4070 Mobile and September 2025 for the H20 NVL16.