NVIDIA H20 vs NVIDIA RTX 5000 Ada Generation Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark results between the NVIDIA H20 and the NVIDIA RTX 5000 Ada Generation. The H20 has no benchmark entries in its profile, while the RTX 5000 Ada Generation has two recorded scores. This absence of comparative data is itself informative: the two cards occupy different segments, and the database positions them accordingly.

For the RTX 5000 Ada Generation, the Geekbench OpenCL score is 175,286, and the Geekbench Vulkan score is 194,041. Its average benchmark score across recorded tests is 184,664. The H20 shows an average benchmark score of 0, with a percentile ranking of 50 among all GPUs. The RTX 5000 Ada Generation sits at the 98th percentile, a substantial gap that indicates the workstation card dominates in the benchmark categories where data exists.

Relative to its nearest rivals, the RTX 5000 Ada Generation's average score of 184,664 places it 0.5% ahead of the NVIDIA A100 SXM4 80 GB, which scores 183,725. It trails the NVIDIA A100 SXM4 40 GB by 1.3%, since that card averages 187,147. Against the NVIDIA RTX PRO 5000 Blackwell, the RTX 5000 Ada Generation leads by 1.4%, with the rival scoring 182,109. The GeForce RTX 4090 D sits 3.7% behind, posting 178,050. These deltas are modest, suggesting the RTX 5000 Ada Generation operates in a tightly contested performance band among high-end accelerators.

The H20, lacking recorded benchmark scores, cannot be compared numerically to any rival. Its percentile rank of 50 indicates it lands near the median of all GPUs in the database, though this figure carries less weight without concrete test results. The data implies the H20's strengths lie outside the generic compute workloads that Geekbench measures, or that its benchmark profile simply has not been populated.

Architecture Differences

The architectural split between the two NVIDIA cards is sharp. The H20 uses the GH100 chip on the Hopper architecture, built for the Server Hopper (Hxx) generation. The RTX 5000 Ada Generation uses the AD102 chip on the Ada Lovelace architecture, belonging to the Workstation Ada generation. Both are fabricated by TSMC on a 5 nm process, but the similarities end there.

Transistor counts differ notably. The H20 packs 80,000 million transistors on a die size of 814 mm², yielding a transistor density of 98.3M per mm². The RTX 5000 Ada Generation contains 76,300 million transistors on a 609 mm² die, achieving a higher density of 125.3M per mm². The H20's larger die accommodates more transistors overall, while the Ada chip packs its transistors more tightly.

Memory configurations diverge completely. The H20 carries 96 GB of HBM3 across a 6144-bit bus, delivering 4.03 TB/s of bandwidth. The RTX 5000 Ada Generation has 32 GB of GDDR6 on a 256-bit bus, with 576.0 GB/s of bandwidth. The H20's memory subsystem is designed for massive data movement, while the RTX 5000 Ada Generation prioritizes lower latency and higher clocks per pin.

Clock speeds tell a different story. The H20 runs at a base clock of 1830 MHz and boosts to 1980 MHz, with memory clocked at 1313 MHz (5.3 Gbps effective). The RTX 5000 Ada Generation starts at a lower 1155 MHz base but boosts aggressively to 2550 MHz, with memory at 2250 MHz (18 Gbps effective). The Ada card's higher boost clock and faster memory clock reflect its workstation focus on burst throughput.

Compute resources favor the RTX 5000 Ada Generation in raw counts. It has 12,800 shading units, 400 TMUs, and 176 ROPs, plus 100 RT cores and 400 tensor cores. The H20 has 9,984 shading units, 312 TMUs, and only 24 ROPs, with 312 tensor cores and no listed RT cores. The RTX 5000 Ada Generation's pixel rate of 448.8 GPixel/s and texture rate of 1,020.0 GTexel/s dwarf the H20's 47.52 GPixel/s and 617.8 GTexel/s. In FP32 compute, the RTX 5000 Ada Generation delivers 65.28 TFLOPS versus the H20's 39.54 TFLOPS. For FP16, the H20 reaches 79.07 TFLOPS with a 2:1 ratio, while the RTX 5000 Ada Generation hits 65.28 TFLOPS at 1:1.

Power and physical design diverge as well. The H20 consumes 500 W and uses an SXM module slot, with no display outputs. The RTX 5000 Ada Generation draws 250 W, fits in a dual-slot form factor, uses a single 16-pin power connector, and provides 4x DisplayPort 1.4a outputs. The H20 rides PCIe 5.0 x16, while the RTX 5000 Ada Generation uses PCIe 4.0 x16. The H20 measures no listed dimensions, while the RTX 5000 Ada Generation is 267 mm long and 112 mm high.

Where Each One Wins

The data points to distinct usage domains. The H20 wins on memory capacity and bandwidth. Its 96 GB of HBM3 at 4.03 TB/s exceeds the RTX 5000 Ada Generation's 32 GB at 576.0 GB/s by a wide margin. For workloads that load large models or datasets into memory, the H20's capacity advantage is decisive. Its higher FP16 throughput at 79.07 TFLOPS also suggests strength in mixed-precision training scenarios, where the 2:1 ratio indicates dedicated tensor core acceleration.

The RTX 5000 Ada Generation wins on raw compute throughput and graphics features. Its 65.28 TFLOPS of FP32 is 65% higher than the H20's 39.54 TFLOPS. The 1:1 FP16 ratio means it maintains full throughput without precision loss, useful for inference and scientific computing. The 100 RT cores enable hardware ray tracing, which the H20 lacks entirely. The 12,800 shading units and 176 ROPs give it a massive advantage in rasterization and pixel processing, reflected in its 448.8 GPixel/s pixel rate versus the H20's 47.52 GPixel/s.

The RTX 5000 Ada Generation also wins on API support. It lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the H20 shows N/A for all three. This makes the Ada card suitable for interactive graphics and visualization workloads. The H20's lack of display outputs confirms it is a compute-only accelerator for server environments.

Clock behavior favors the RTX 5000 Ada Generation for sustained burst workloads. Its 2550 MHz boost clock exceeds the H20's 1980 MHz, and its lower 250 W TDP means less power draw per unit of compute. The H20's 500 W TDP and 900 W suggested PSU indicate a heavier power footprint, while the RTX 5000 Ada Generation's 600 W suggested PSU is more modest.

FAQ

Q: Which card has more memory bandwidth?

A: The NVIDIA H20 leads with 4.03 TB/s of bandwidth from its HBM3 memory on a 6144-bit bus. The RTX 5000 Ada Generation provides 576.0 GB/s from GDDR6 on a 256-bit bus.

Q: What is the FP32 compute difference?

A: The RTX 5000 Ada Generation delivers 65.28 TFLOPS of FP32, which is 65% higher than the H20's 39.54 TFLOPS.

Q: Does the H20 support ray tracing?

A: No. The H20 has no listed RT cores and no DirectX, OpenGL, or Vulkan support. The RTX 5000 Ada Generation includes 100 RT cores and supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4.

Q: How do their power requirements compare?

A: The H20 has a 500 W TDP and suggests a 900 W power supply. The RTX 5000 Ada Generation has a 250 W TDP and suggests a 600 W power supply.

Q: Which card has a higher benchmark percentile?

A: The RTX 5000 Ada Generation ranks at the 98th percentile among all GPUs, with an average benchmark score of 184,664. The H20 ranks at the 50th percentile with an average score of 0.

Q: What are the physical form factors?

A: The H20 uses an SXM module slot with no display outputs. The RTX 5000 Ada Generation is a dual-slot card measuring 267 mm by 112 mm, with 4x DisplayPort 1.4a outputs.

The Verdict

The database shows two accelerators built for different purposes. The NVIDIA H20 targets server-side compute with massive memory resources. Its 96 GB HBM3 pool and 4.03 TB/s bandwidth exceed anything the RTX 5000 Ada Generation can offer. For workloads that require holding large matrices or datasets in memory, the H20 is the clear choice. Its 79.07 TFLOPS FP16 throughput further supports training and precision-heavy operations.

The NVIDIA RTX 5000 Ada Generation is the more versatile card for workstation tasks. Its 65.28 TFLOPS FP32 and 1:1 FP16 ratio deliver consistent compute across precision formats. The 100 RT cores and full API support enable ray tracing and graphics workloads that the H20 cannot handle. Its 44.4% higher texture rate (1,020.0 GTexel/s vs 617.8 GTexel/s) and 844% higher pixel rate (448.8 GPixel/s vs 47.52 GPixel/s) make it superior for rendering and visualization.

The benchmark data reinforces this split. The RTX 5000 Ada Generation's 184,664 average score and 98th percentile ranking show strong measured performance in Geekbench OpenCL and Vulkan. The H20 has no recorded scores, so its capabilities must be inferred from specifications rather than test results. The RTX 5000 Ada Generation also compares favorably to its nearest rivals, staying within 1.3% of the A100 SXM4 40 GB and leading the RTX PRO 5000 Blackwell by 1.4%.

Power efficiency favors the RTX 5000 Ada Generation. It delivers higher FP32 throughput at half the TDP (250 W vs 500 W) and requires a 600 W PSU versus 900 W. The H20's larger die and memory subsystem justify its higher power draw, but the Ada card achieves more compute per watt.

For users choosing between these two, the decision hinges on workload type. The H20 serves large-scale data processing and AI training where memory capacity is the bottleneck. The RTX 5000 Ada Generation serves interactive graphics, ray tracing, and general-purpose compute where throughput and API support matter more. The H20's release date of 2024-01-31 is later than the RTX 5000 Ada Generation's 2023-08-08, but both remain active in production. Neither has a recorded launch MSRP, so pricing cannot be part of this analysis.

Specification Differences

| Specification | NVIDIA H20 | NVIDIA RTX 5000 Ada Generation |

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

| Architecture | Hopper | Ada Lovelace |

| Chip | GH100 | AD102 |

| Generation | Server Hopper (Hxx) | Workstation Ada |

| Transistors | 80,000 million | 76,300 million |

| Die Size | 814 mm² | 609 mm² |

| Transistor Density | 98.3M / mm² | 125.3M / mm² |

| Base Clock | 1830 MHz | 1155 MHz |

| Boost Clock | 1980 MHz | 2550 MHz |

| Memory Clock | 1313 MHz (5.3 Gbps effective) | 2250 MHz (18 Gbps effective) |

| Memory Size | 96 GB | 32 GB |

| Memory Type | HBM3 | GDDR6 |

| Memory Bus Width | 6144 bit | 256 bit |

| Memory Bandwidth | 4.03 TB/s | 576.0 GB/s |

| Shading Units | 9,984 | 12,800 |

| TMUs | 312 | 400 |

| ROPs | 24 | 176 |

| RT Cores | N/A | 100 |

| Tensor Cores | 312 | 400 |

| Pixel Rate | 47.52 GPixel/s | 448.8 GPixel/s |

| Texture Rate | 617.8 GTexel/s | 1,020.0 GTexel/s |

| FP32 | 39.54 TFLOPS | 65.28 TFLOPS |

| FP16 | 79.07 TFLOPS (2:1) | 65.28 TFLOPS (1:1) |

| TDP | 500 W | 250 W |

| Slot Width | SXM Module | Dual-slot |

| Power Connectors | N/A | 1x 16-pin |

| Suggested PSU | 900 W | 600 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |

| Display Outputs | No outputs | 4x DisplayPort 1.4a |

| DirectX | N/A | 12 Ultimate (12_2) |

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Dimensions | N/A | 267 mm (10.5 in) x 112 mm (4.4 in) |

| Release Date | 2024-01-31 | 2023-08-08 |

| Predecessor | Server Ada | Workstation Ampere |

| Successor | Server Blackwell | Blackwell PRO W |

| Percentile vs All GPUs | 50 | 98 |

| Avg Benchmark Score | 0 | 184,664 |