NVIDIA H20 vs NVIDIA RTX PRO 6000 Blackwell Comparison

Head-to-Head Benchmarks

The recorded database does not contain any direct head-to-head benchmark comparisons between the NVIDIA H20 and the NVIDIA RTX PRO 6000 Blackwell. The H20 has no benchmark entries, while the RTX PRO 6000 Blackwell has a single recorded result. This lack of overlapping test data means a direct score comparison cannot be established from the available measurements.

The RTX PRO 6000 Blackwell posts an average benchmark score of 16,408 points in the 3DMark Steel Nomad DX12 test. Its percentile ranking places it at 59, meaning it outperforms 59 percent of all GPUs in the database. The H20 holds a percentile ranking of 50 with no average benchmark score recorded, placing it at the median of the database distribution. The RTX PRO 6000 Blackwell sits 9 percentile points higher than the H20 in overall standing.

Looking at the nearest rivals for the RTX PRO 6000 Blackwell, the data reveals tight competition. The AMD Radeon PRO W7500 scores 16,415 points, a delta of 0 percent relative to the RTX PRO 6000 Blackwell, effectively a statistical tie. The AMD Radeon RX 5700 XT trails by a mere 0.3 percent with 16,361 points. The AMD Radeon Pro 5600M follows at 16,351 points, 0.4 percent behind. The NVIDIA GeForce RTX 5090 D V2 leads slightly at 16,504 points, putting the RTX PRO 6000 Blackwell 0.6 percent behind that card.

The H20 has no nearest rivals listed and no benchmark scores, so its competitive positioning cannot be quantified through direct measurement. The data indicates the H20's percentile ranking of 50 is derived from its specification profile rather than actual test results. For the RTX PRO 6000 Blackwell, the recorded results show a GPU that lands within a narrow performance band, with all four nearest rivals within 1 percent of its score.

Architecture Differences

The two GPUs come from different architectural generations. The H20 uses the GH100 chip built on the Hopper architecture, belonging to the Server Hopper generation. The RTX PRO 6000 Blackwell uses the GB202 chip on the Blackwell 2.0 architecture, part of the Blackwell PRO W series. Both are fabricated by TSMC on a 5 nm process, but the transistor counts diverge significantly.

The H20 packs 80,000 million transistors on a die size of 814 mm², yielding a transistor density of 98.3 million per mm². The RTX PRO 6000 Blackwell houses 92,200 million transistors on a smaller 750 mm² die, resulting in a higher density of 122.9 million per mm². The newer architecture packs roughly 15 percent more transistors into a smaller physical area.

The H20 uses HBM3 memory with a 6144-bit bus and memory clocks running at 1313 MHz with 5.3 Gbps effective speed. The RTX PRO 6000 Blackwell uses GDDR7 memory on a 512-bit bus with memory clocks at 1750 MHz and 28 Gbps effective speed. The H20's wider bus delivers 4.03 TB/s of bandwidth, while the RTX PRO 6000 Blackwell achieves 1.79 TB/s. The H20's memory system provides more than double the bandwidth of the RTX PRO 6000 Blackwell.

The RTX PRO 6000 Blackwell includes 188 RT cores, while the H20 has no RT core count listed in the database. The H20 carries 312 tensor cores, while the RTX PRO 6000 Blackwell has 752. Both feature PCIe 5.0 x16 interfaces, but their physical formats differ substantially. The H20 is an SXM Module with no display outputs and no power connectors listed. The RTX PRO 6000 Blackwell is a dual-slot card measuring 304 mm in length, 137 mm in height, and 40 mm in width, with a single 16-pin power connector and four DisplayPort 2.1b outputs.

The H20 supports no graphics APIs, with DirectX, OpenGL, and Vulkan all listed as not applicable. The RTX PRO 6000 Blackwell supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The H20 targets compute workloads without display functionality, while the RTX PRO 6000 Blackwell functions as a full workstation graphics solution.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The RTX PRO 6000 Blackwell delivers 126.0 TFLOPS of FP32 performance, which is more than three times the H20's 39.54 TFLOPS. The RTX PRO 6000 Blackwell also matches its FP16 output at 126.0 TFLOPS with a 1:1 ratio, while the H20 achieves 79.07 TFLOPS FP16 with a 2:1 ratio.

Q: How do the memory bandwidth figures compare?

A: The H20 provides 4.03 TB/s of bandwidth through its HBM3 memory on a 6144-bit bus. The RTX PRO 6000 Blackwell offers 1.79 TB/s using GDDR7 on a 512-bit bus. The H20's bandwidth advantage exceeds 2.2 TB/s.

Q: What is the clock speed difference between the two cards?

A: The H20 has a base clock of 1830 MHz and a boost clock of 1980 MHz. The RTX PRO 6000 Blackwell has a lower base clock of 1590 MHz but a much higher boost clock of 2617 MHz, a difference of 637 MHz at peak boost.

Q: Do both GPUs support the same graphics APIs?

A: No. The H20 has no graphics API support, with DirectX, OpenGL, and Vulkan all marked as not applicable. The RTX PRO 6000 Blackwell supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: Which card has more shading units and texture units?

A: The RTX PRO 6000 Blackwell has 24,064 shading units and 752 texture mapping units. The H20 has 9,984 shading units and 312 texture mapping units. The RTX PRO 6000 Blackwell also has 192 ROPs compared to the H20's 24 ROPs.

Q: What are the power requirements for each card?

A: The H20 has a TDP of 500 W and a suggested PSU rating of 900 W. The RTX PRO 6000 Blackwell has a TDP of 600 W and a suggested PSU rating of 1000 W.

Specification Differences

The two GPUs differ across nearly every measured specification. The H20 uses the GH100 chip with the Hopper architecture, while the RTX PRO 6000 Blackwell uses the GB202 chip with Blackwell 2.0. The H20 belongs to the Server Hopper generation, while the RTX PRO 6000 Blackwell belongs to the Blackwell PRO W generation.

Transistor counts differ by 12,200 million, with the H20 at 80,000 million and the RTX PRO 6000 Blackwell at 92,200 million. Die size favors the H20 at 814 mm² versus 750 mm² for the RTX PRO 6000 Blackwell. Transistor density is higher on the RTX PRO 6000 Blackwell at 122.9 million per mm² versus 98.3 million per mm².

Clock speeds show a split: the H20 has a higher base clock (1830 MHz versus 1590 MHz), but the RTX PRO 6000 Blackwell has a significantly higher boost clock (2617 MHz versus 1980 MHz). Memory clocks also differ, with the H20 at 1313 MHz (5.3 Gbps effective) and the RTX PRO 6000 Blackwell at 1750 MHz (28 Gbps effective).

Memory configuration diverges completely. The H20 uses 96 GB of HBM3 on a 6144-bit bus with 4.03 TB/s bandwidth. The RTX PRO 6000 Blackwell uses 96 GB of GDDR7 on a 512-bit bus with 1.79 TB/s bandwidth. Both have equal capacity, but the H20's memory subsystem provides more than double the bandwidth.

Compute resources favor the RTX PRO 6000 Blackwell. It has 24,064 shading units, 752 TMUs, 192 ROPs, 188 RT cores, and 752 tensor cores. The H20 has 9,984 shading units, 312 TMUs, 24 ROPs, no listed RT cores, and 312 tensor cores. Pixel rate favors the RTX PRO 6000 Blackwell at 502.5 GPixel/s versus 47.52 GPixel/s for the H20. Texture rate favors the RTX PRO 6000 Blackwell at 1,968.0 GTexel/s versus 617.8 GTexel/s for the H20.

FP32 and FP16 performance both favor the RTX PRO 6000 Blackwell at 126.0 TFLOPS for each, while the H20 delivers 39.54 TFLOPS FP32 and 79.07 TFLOPS FP16. Power draw differs by 100 W, with the H20 at 500 W and the RTX PRO 6000 Blackwell at 600 W. The suggested PSU also differs, with 900 W for the H20 and 1000 W for the RTX PRO 6000 Blackwell.

Physical format and connectivity differ entirely. The H20 is an SXM Module with no display outputs and no power connectors. The RTX PRO 6000 Blackwell is a dual-slot card with one 16-pin power connector, four DisplayPort 2.1b outputs, and specific dimensions of 304 mm length, 137 mm height, and 40 mm width. The H20 has no API support, while the RTX PRO 6000 Blackwell supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4.

The release dates differ by roughly 14 months. The H20 launched on January 31, 2024, while the RTX PRO 6000 Blackwell launched on March 17, 2025. The RTX PRO 6000 Blackwell has a recorded launch MSRP of 8,565 USD. The H20 has no recorded launch MSRP. The H20 lists Server Ada as its predecessor and Server Blackwell as its successor. The RTX PRO 6000 Blackwell lists Workstation Ada as its predecessor with no successor recorded.

Where Each One Wins

The RTX PRO 6000 Blackwell wins decisively in compute throughput. Its FP32 output of 126.0 TFLOPS is more than triple the H20's 39.54 TFLOPS. It also delivers 126.0 TFLOPS of FP16 performance versus the H20's 79.07 TFLOPS. The shading unit count of 24,064 versus 9,984 gives it a clear advantage in graphics workloads. Its 752 TMUs and 192 ROPs provide substantially higher texture and pixel throughput, with 1,968.0 GTexel/s versus 617.8 GTexel/s and 502.5 GPixel/s versus 47.52 GPixel/s respectively.

The RTX PRO 6000 Blackwell also wins in architectural modernity. Its Blackwell 2.0 architecture includes 188 RT cores for hardware ray tracing, a feature the H20 lacks entirely. Its 752 tensor cores more than double the H20's 312. The card supports the full modern graphics API stack, including DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the H20 supports none. Its dual-slot format with four DisplayPort 2.1b outputs makes it a functional workstation display adapter, while the H20 has no display outputs at all.

The H20 wins in memory bandwidth. Its 4.03 TB/s of bandwidth from HBM3 on a 6144-bit bus dwarfs the RTX PRO 6000 Blackwell's 1.79 TB/s from GDDR7 on a 512-bit bus. For workloads that depend heavily on memory throughput rather than raw compute, the H20's memory subsystem provides a substantial advantage. The H20 also has a higher base clock at 1830 MHz versus 1590 MHz, and it draws 100 W less power at 500 W TDP versus 600 W.

The H20's SXM Module form factor targets server integration rather than workstation use. Its lack of display outputs and power connectors indicates a design intended for data center compute nodes. The absence of graphics API support confirms its role as a pure compute accelerator. The H20 also carries a higher transistor density in a larger die, with 80,000 million transistors on 814 mm².

The Verdict

The data shows two GPUs built for fundamentally different purposes. The NVIDIA H20 is a server compute module without display support or graphics APIs. The NVIDIA RTX PRO 6000 Blackwell is a workstation graphics card with full display output and complete API support. Their specifications reflect these divergent roles.

For graphics and rendering workloads, the RTX PRO 6000 Blackwell is the clear choice. It delivers 126.0 TFLOPS FP32, supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, includes 188 RT cores, and provides four DisplayPort 2.1b outputs. Its 24,064 shading units and 752 TMUs provide the resources needed for demanding visualization tasks. The recorded benchmark score of 16,408 in 3DMark Steel Nomad DX12 places it at the 59th percentile, with nearest rivals all within 1 percent of its performance.

For memory-intensive compute applications, the H20's 4.03 TB/s bandwidth is a decisive advantage. Its HBM3 memory on a 6144-bit bus provides more than double the bandwidth of the RTX PRO 6000 Blackwell. The H20's lower power draw of 500 W also makes it more efficient per watt for memory-bound workloads. Its SXM Module format suits dense server deployments.

The RTX PRO 6000 Blackwell's higher boost clock of 2617 MHz versus 1980 MHz, combined with its larger compute resource pool, gives it the edge in burst compute performance. Its 92,200 million transistors on a smaller die represent a more advanced manufacturing implementation. The card's dual-slot design and 16-pin power connector make it suitable for standard workstation chassis.

Users with graphics, visualization, or interactive rendering needs should select the RTX PRO 6000 Blackwell based on its API support, display outputs, and compute resources. Users running memory-bandwidth-bound server workloads should select the H20 based on its HBM3 bandwidth and SXM form factor. The RTX PRO 6000 Blackwell's recorded benchmark data confirms its competitive position, while the H20's lack of benchmark entries leaves its measured performance unverified.