NVIDIA H20 vs NVIDIA RTX 1000 Mobile Ada Generation Comparison

Head-to-Head Benchmarks

The database contains no recorded benchmark scores for either the NVIDIA H20 or the NVIDIA RTX 1000 Mobile Ada Generation. Both products show an average benchmark score of zero, and no head-to-head benchmark entries exist in the recorded data. Consequently, there are no direct performance comparisons with exact numbers available from the database at this time.

Both GPUs occupy the 50th percentile against all GPUs in the database. This percentile ranking does not indicate a performance equivalence, but rather reflects that neither product has accumulated benchmark submissions that would differentiate their standing. The absence of measured data means that any quantitative comparison between the two in compute, rendering, or gaming workloads cannot be derived from the database.

The only quantifiable performance indicators available are the theoretical specifications. The H20 delivers 39.54 TFLOPS of FP32 compute and 79.07 TFLOPS of FP16 with a 2:1 ratio. The RTX 1000 Mobile Ada Generation delivers 10.37 TFLOPS for both FP32 and FP16 at a 1:1 ratio. These figures show the H20 provides roughly 3.8 times the FP32 throughput and 7.6 times the FP16 throughput on paper, but the database has no benchmark results to confirm real-world scaling.

Pixel throughput favors the mobile part. The RTX 1000 Mobile Ada Generation achieves 97.20 GPixel/s, while the H20 posts 47.52 GPixel/s. Texture rate reverses the order: the H20 reaches 617.8 GTexel/s versus 162.0 GTexel/s for the mobile GPU. The H20 has 312 texture mapping units compared to 80 for the RTX 1000, explaining the large texture rate delta. The mobile part has 48 ROPs against 24 for the H20, which explains its pixel rate advantage.

Memory bandwidth is decisively in the H20's favor. The H20 accesses 4.03 TB/s of bandwidth through an HBM3 interface, while the RTX 1000 Mobile Ada Generation manages 192.0 GB/s over GDDR6. That is a 21-fold gap in theoretical bandwidth. The H20 also carries 96 GB of memory versus 6 GB on the mobile part, a 16-fold capacity difference. No benchmark data exists in the database to interpret how these bandwidth and capacity differences translate into application-level performance.

Architecture Differences

The two GPUs come from different architectural families within NVIDIA's lineup. The H20 uses the GH100 chip built on the Hopper architecture, part of the Server Hopper (Hxx) generation. The RTX 1000 Mobile Ada Generation uses the AD107 chip on the Ada Lovelace architecture, from the Ada-MW (x000A) generation. Both are fabricated on a 5 nm process at TSMC, but the similarities end there.

The H20 integrates 80,000 million transistors on an 814 mm² die, yielding a transistor density of 98.3 million per square millimeter. The RTX 1000 Mobile Ada Generation packs 18,900 million transistors on a 159 mm² die, with a density of 118.9 million per square millimeter. The mobile chip achieves higher transistor density despite the same process node, while the server chip deploys roughly 4.2 times the total transistor count.

Shader configuration differs substantially. The H20 carries 9,984 shading units, 312 TMUs, 24 ROPs, and 312 tensor cores. The RTX 1000 Mobile Ada Generation has 2,560 shading units, 80 TMUs, 48 ROPs, 20 ray tracing cores, and 80 tensor cores. The H20 has no listed ray tracing cores, while the mobile part includes dedicated RT hardware. The H20 has a 4:1 ratio of shading units to tensor cores (9,984 to 312), and the mobile part has a 32:1 ratio (2,560 to 80).

Clock behavior differs as well. The H20 has a base clock of 1830 MHz and a boost clock of 1980 MHz. The RTX 1000 Mobile Ada Generation runs at a 1485 MHz base and 2025 MHz boost. The mobile part has a higher boost clock by 45 MHz, despite a significantly lower base clock. Memory clocks also diverge: the H20 lists a 1313 MHz memory clock with 5.3 Gbps effective, while the mobile part runs at 2000 MHz with 16 Gbps effective.

The H20 belongs to the Hopper generation designed for server workloads. Its successor is Server Blackwell, and its predecessor is Server Ada. The RTX 1000 Mobile Ada Generation sits in the Ada-MW generation, with a predecessor of Ampere-MW and a successor of Blackwell-MW. Both products remain in active production according to the database.

FAQ

Q: Which GPU has more memory bandwidth?

A: The NVIDIA H20 offers 4.03 TB/s of memory bandwidth through HBM3, while the NVIDIA RTX 1000 Mobile Ada Generation provides 192.0 GB/s via GDDR6. The H20 leads by a wide margin in theoretical bandwidth.

Q: What are the FP32 compute capabilities of each GPU?

A: The H20 delivers 39.54 TFLOPS of FP32 performance. The RTX 1000 Mobile Ada Generation delivers 10.37 TFLOPS of FP32 performance. The H20 provides about 3.8 times the FP32 throughput on paper.

Q: Does the RTX 1000 Mobile Ada Generation support ray tracing?

A: Yes, the RTX 1000 Mobile Ada Generation includes 20 ray tracing cores. The H20 has no ray tracing cores listed in the database.

Q: What memory capacities are available?

A: The H20 has 96 GB of HBM3 memory. The RTX 1000 Mobile Ada Generation has 6 GB of GDDR6 memory. The H20 holds a 16-fold capacity advantage.

Q: Which GPU has a higher boost clock?

A: The RTX 1000 Mobile Ada Generation boosts to 2025 MHz, while the H20 boosts to 1980 MHz. The mobile part has a 45 MHz higher boost clock despite a lower base clock.

Q: What is the power consumption difference?

A: The H20 has a TDP of 500 W and requires a 900 W suggested power supply. The RTX 1000 Mobile Ada Generation has a TDP of 35 W and uses no external power connectors. The H20 consumes over 14 times the power budget.

Specification Differences

The following fields differ between the NVIDIA H20 and the NVIDIA RTX 1000 Mobile Ada Generation:

Chip and architecture: The H20 uses the GH100 chip on Hopper architecture, while the RTX 1000 Mobile Ada Generation uses the AD107 chip on Ada Lovelace architecture.

Generation: The H20 is in the Server Hopper (Hxx) generation, while the mobile part is in the Ada-MW (x000A) generation.

Transistors and die size: The H20 has 80,000 million transistors on an 814 mm² die. The RTX 1000 Mobile Ada Generation has 18,900 million transistors on a 159 mm² die.

Transistor density: The H20 has 98.3 million transistors per mm², while the mobile part has 118.9 million per mm².

Base clock: The H20 runs at 1830 MHz, the mobile part at 1485 MHz.

Boost clock: The H20 boosts to 1980 MHz, the mobile part to 2025 MHz.

Memory clock and effective speed: The H20 lists 1313 MHz with 5.3 Gbps effective, the mobile part 2000 MHz with 16 Gbps effective.

Memory size, type, bus width, and bandwidth: The H20 has 96 GB HBM3 on a 6144-bit bus with 4.03 TB/s. The mobile part has 6 GB GDDR6 on a 96-bit bus with 192.0 GB/s.

Shading units: The H20 has 9,984, the mobile part has 2,560.

TMUs: The H20 has 312, the mobile part has 80.

ROPs: The H20 has 24, the mobile part has 48.

Ray tracing cores: The H20 has none listed, the mobile part has 20.

Tensor cores: The H20 has 312, the mobile part has 80.

Pixel rate: The H20 achieves 47.52 GPixel/s, the mobile part 97.20 GPixel/s.

Texture rate: The H20 achieves 617.8 GTexel/s, the mobile part 162.0 GTexel/s.

FP32 and FP16: The H20 delivers 39.54 TFLOPS FP32 and 79.07 TFLOPS FP16 (2:1). The mobile part delivers 10.37 TFLOPS for both FP32 and FP16 (1:1).

TDP: The H20 has a 500 W TDP, the mobile part 35 W.

Slot width: The H20 is an SXM Module, the mobile part is an IGP.

Power connectors: The H20 has none listed, the mobile part lists "None."

Suggested PSU: The H20 requires a 900 W PSU, the mobile part has no listed suggestion.

Bus interface: The H20 uses PCIe 5.0 x16, the mobile part uses PCIe 4.0 x8.

Display outputs: The H20 has no outputs, the mobile part is portable device dependent.

API support: The H20 lists N/A for DirectX, OpenGL, and Vulkan. The mobile part lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Release date: The H20 launched on 2024-01-31, the mobile part on 2024-02-25.

Predecessor and successor: The H20 lists Server Ada and Server Blackwell, respectively. The mobile part lists Ampere-MW and Blackwell-MW.

The Verdict

The database shows two GPUs with no overlapping use cases and no measured benchmark scores to compare. The H20 is a 500 W SXM module with 96 GB of HBM3, 4.03 TB/s of bandwidth, and 39.54 TFLOPS of FP32 compute. It has no display outputs and no API support listed, positioning it as a compute-oriented server accelerator. The RTX 1000 Mobile Ada Generation is a 35 W IGP with 6 GB of GDDR6, 192.0 GB/s of bandwidth, and 10.37 TFLOPS of FP32 compute. It includes ray tracing cores, full DirectX 12 Ultimate support, and portable device dependent outputs.

For any workload requiring large memory capacity, the H20 is the only option between the two, offering 96 GB versus 6 GB. For bandwidth-intensive server tasks, the H20's 4.03 TB/s versus 192.0 GB/s gives it a decisive theoretical advantage. The H20 also leads in texture rate, 617.8 GTexel/s versus 162.0 GTexel/s, and in FP16 compute, 79.07 TFLOPS versus 10.37 TFLOPS.

For any workload requiring display output, ray tracing, or standard graphics APIs, the RTX 1000 Mobile Ada Generation is the only viable choice. The H20 has no display outputs and lists N/A for DirectX, OpenGL, and Vulkan. The mobile part supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, along with 20 ray tracing cores. The mobile part also leads in pixel rate, 97.20 GPixel/s versus 47.52 GPixel/s, which aligns with its graphics-oriented feature set.

The power envelope difference is extreme: 500 W versus 35 W. The H20 requires a 900 W suggested PSU, while the mobile part uses no external power connectors. This places the H20 in rack-mounted server environments and the mobile part in portable devices.

The data indicates these products serve separate markets entirely. The H20 targets server-side compute with massive memory and bandwidth, while the RTX 1000 Mobile Ada Generation targets mobile workstations with graphics and ray tracing capabilities. Neither product's specifications suggest it could substitute for the other in its intended role. The H20's lack of display outputs and API support makes it unsuitable for client graphics, and the RTX 1000 Mobile Ada Generation's 6 GB memory and 192.0 GB/s bandwidth cannot match the H20's server-class memory subsystem. Without benchmark scores in the database, the verdict rests on these specification differences alone.