NVIDIA H20 NVL16 vs NVIDIA RTX PRO 6000 Blackwell Server Comparison

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results between the NVIDIA H20 NVL16 and the NVIDIA RTX PRO 6000 Blackwell Server. The H20 NVL16 has no recorded benchmark scores, while the RTX PRO 6000 Blackwell Server carries a single measurement: a 3DMark Steel Nomad DX12 score of 5996. That places the RTX PRO 6000 at the 34th percentile among all GPUs in the database, a modest standing for a server-class accelerator.

The nearest rivals to that score are telling. The RTX PRO 6000 sits within 0.2% of the AMD FirePro W4100 (5987) and the NVIDIA Quadro K4000M (5986), and within 0.1% of the NVIDIA GeForce GTX 770M (6000) and the AMD Radeon RX 6400 (6001). In practical terms, the recorded data shows a near dead heat against these older or lower-tier parts in this specific DX12 workload.

For the H20 NVL16, the absence of any benchmark entry means no comparable figure exists. Its percentile ranking of 50 reflects an average position across the database, but that ranking is not derived from a measured score. The data simply does not support a win/loss breakdown between these two products.

FAQ

Q: Which GPU has a higher FP32 throughput?

A: The RTX PRO 6000 Blackwell Server delivers 126.0 TFLOPS of FP32 performance, compared to 39.54 TFLOPS for the H20 NVL16. That is roughly 3.2 times the raw single-precision compute.

Q: How do their memory bandwidth figures compare?

A: The H20 NVL16 uses HBM3 memory with a 6144-bit bus and reaches 4.03 TB/s of bandwidth. The RTX PRO 6000 uses GDDR7 on a 512-bit bus and reaches 1.79 TB/s. The H20 NVL16 holds a 2.25x bandwidth advantage.

Q: What are the transistor counts on each chip?

A: The RTX PRO 6000's GB202 die contains 92,200 million transistors, while the H20 NVL16's GH100 die contains 80,000 million transistors. The GB202 also achieves a higher transistor density at 122.9M per mm² versus 98.3M per mm².

Q: Do both cards support the same PCIe interface?

A: Yes, both use PCIe 5.0 x16 as their bus interface.

Q: Which card has a higher boost clock?

A: The RTX PRO 6000 boosts to 2617 MHz, whereas the H20 NVL16 boosts to 1980 MHz. The RTX PRO 6000 also has a lower base clock at 1590 MHz versus 1830 MHz.

Q: Are there any display outputs on either card?

A: The RTX PRO 6000 provides 4x DisplayPort 2.1b outputs. The H20 NVL16 has no display outputs at all, reflecting its server-oriented SXM module form factor.

Architecture Differences

The two GPUs represent distinct architectures from NVIDIA. The H20 NVL16 is built on the Hopper architecture, specifically the GH100 chip, and belongs to the Server Hopper generation. The RTX PRO 6000 Blackwell Server uses the Blackwell 2.0 architecture on the GB202 chip, within the Server Blackwell generation. Both are fabricated on a 5 nm process at TSMC.

Transistor density differs notably. The GB202 packs 92,200 million transistors into a 750 mm² die, yielding 122.9M transistors per mm². The GH100 spreads 80,000 million transistors over a larger 814 mm² die, giving 98.3M per mm². The smaller die with more transistors gives the Blackwell chip a clear density advantage.

Compute resources diverge sharply. The RTX PRO 6000 fields 24,064 shading units, 752 texture mapping units, and 192 render output units. The H20 NVL16 has 9,984 shading units, 312 TMUs, and just 24 ROPs. The RTX PRO 6000 also includes 188 RT cores and 752 tensor cores, while the H20 NVL16 lists 312 tensor cores and no specified RT core count.

Memory architecture is fundamentally different. The H20 NVL16 uses HBM3 with a 6144-bit interface and 4.03 TB/s bandwidth. The RTX PRO 6000 uses GDDR7 with a 512-bit interface and 1.79 TB/s bandwidth. Both have 96 GB of memory, but the HBM3 implementation provides far greater bandwidth, a typical trade-off for server workloads.

Clock behavior also separates the two. The H20 NVL16 runs at a base of 1830 MHz and boosts to 1980 MHz. The RTX PRO 6000 starts lower at 1590 MHz but boosts much higher to 2617 MHz. That higher boost clock contributes to its superior FP32 and pixel throughput.

The RTX PRO 6000 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The H20 NVL16 lists no API support in the database, consistent with a compute-focused server part with no display outputs.

Specification Differences

The two cards differ across nearly every measured specification. Memory size is identical at 96 GB, but the type, bus width, and bandwidth all diverge: HBM3 with 6144 bit and 4.03 TB/s versus GDDR7 with 512 bit and 1.79 TB/s.

Shading units: 9,984 on the H20 NVL16 versus 24,064 on the RTX PRO 6000. TMUs: 312 versus 752. ROPs: 24 versus 192. Tensor cores: 312 versus 752. The RTX PRO 6000 also has 188 RT cores; the H20 NVL16 has none listed.

Pixel rate: 47.52 GPixel/s for the H20 NVL16 versus 502.5 GPixel/s for the RTX PRO 6000. Texture rate: 617.8 GTexel/s versus 1,968.0 GTexel/s. FP32: 39.54 TFLOPS versus 126.0 TFLOPS. FP16: 79.07 TFLOPS (2:1) versus 126.0 TFLOPS (1:1). The RTX PRO 6000 achieves the same FP16 and FP32 figures, while the H20 NVL16 doubles its FP32 rate when computing FP16.

Power and physical design differ as well. The H20 NVL16 draws 400 W and uses an SXM module, with an 800 W suggested PSU. The RTX PRO 6000 draws 600 W, is a dual-slot card with a 1x 16-pin power connector, and recommends a 1000 W PSU. The RTX PRO 6000 measures 267 mm in length, 111 mm in height, and 40 mm in width.

Release dates also differ. The RTX PRO 6000 launched on 2025-03-17, while the H20 NVL16 launched on 2025-09-01. Both are active in production. The H20 NVL16's predecessor is Server Ada and its successor is Server Blackwell. The RTX PRO 6000's predecessor is Server Hopper and its successor is Server Rubin.

Where Each One Wins

The data points to clear strengths for each card, though direct benchmark comparisons are unavailable.

The RTX PRO 6000 Blackwell Server wins decisively on raw compute throughput. Its FP32 figure of 126.0 TFLOPS is more than triple that of the H20 NVL16. The same holds for pixel rate: 502.5 GPixel/s versus 47.52 GPixel/s, a tenfold gap. Texture rate also favors the RTX PRO 6000 at 1,968.0 GTexel/s versus 617.8 GTexel/s. The higher boost clock of 2617 MHz and the larger shading unit count drive these results. The presence of 188 RT cores and full API support (DX12 Ultimate, OpenGL 4.6, Vulkan 1.4) makes it the more versatile option for graphics and rendering workloads. Its 96 GB of GDDR7 memory, while lower bandwidth, still provides ample capacity for large datasets.

The H20 NVL16 wins on memory bandwidth by a wide margin. Its 4.03 TB/s from HBM3 is 2.25x the 1.79 TB/s of the RTX PRO 6000. The 6144-bit bus is 12 times wider than the 512-bit interface on the Blackwell card. That bandwidth advantage matters for memory-bound server workloads such as training large models or processing high-volume data streams. The H20 NVL16 also consumes less power at 400 W versus 600 W, and its SXM module form factor suits dense server configurations where multiple accelerators share a chassis. Its FP16 throughput of 79.07 TFLOPS, while lower than the RTX PRO 6000's 126.0 TFLOPS, still represents a doubling of its own FP32 rate, indicating efficient mixed-precision processing.

The RTX PRO 6000 also holds advantages in transistor count (92,200 million versus 80,000 million) and transistor density (122.9M per mm² versus 98.3M per mm²). It has more tensor cores (752 versus 312) and more TMUs (752 versus 312). The H20 NVL16 counters with a larger die (814 mm² versus 750 mm²), a higher base clock (1830 MHz versus 1590 MHz), and the aforementioned bandwidth lead.

In the database's percentile ranking, the RTX PRO 6000 sits at the 34th percentile with a recorded score of 5996. The H20 NVL16 holds a 50th percentile ranking but with no measured benchmark score attached. That ranking should be interpreted cautiously, as it does not derive from the same test data.

For graphics-heavy tasks, the RTX PRO 6000 is the clear choice based on compute, pixel, texture, and API capabilities. For memory-intensive server applications where bandwidth is the limiting factor, the H20 NVL16's HBM3 implementation provides a substantial edge. The two cards target different operational priorities: one maximizes processing throughput, the other maximizes data movement.