NVIDIA GeForce RTX 5080 SUPER vs NVIDIA H20 Comparison

NVIDIA GeForce RTX 5080 SUPER and NVIDIA H20 occupy different segments of the graphics hardware landscape. The RTX 5080 SUPER is a consumer-focused GeForce 50-series card built on the Blackwell 2.0 architecture, while the H20 is a server-oriented Hopper generation part designed for compute environments. The database records a single benchmark result for the RTX 5080 SUPER, while the H20 has no recorded benchmark scores. This analysis compares their architectural layouts, memory systems, and the available performance data to clarify where each part fits.

Where Each One Wins

The RTX 5080 SUPER delivers a measured 3DMark Steel Nomad DX12 score of 3075. This result places it in the 19th percentile among all GPUs in the database. The H20, by contrast, has no benchmark entries, so its standing in the database is represented only by a 50th percentile field with an average score of zero. The data shows a clear split: the RTX 5080 SUPER wins in any scenario that requires rasterized gaming or DirectX 12 workloads, simply because it has a recorded score and the H20 has none.

The H20 wins in memory capacity and bandwidth. It carries 96 GB of HBM3 memory across a 6144-bit bus, yielding 4.03 TB/s of bandwidth. The RTX 5080 SUPER has 24 GB of GDDR7 on a 256-bit bus, providing 1.02 TB/s. For large-scale server workloads that rely on holding massive datasets on the GPU, the H20’s memory subsystem is the decisive advantage. The RTX 5080 SUPER, with its 24 GB frame buffer and 256-bit interface, is not designed for that class of problem.

Compute throughput also favors the H20 in one specific area. The H20’s FP16 performance is 79.07 TFLOPS, achieved through a 2:1 ratio relative to its FP32 output. The RTX 5080 SUPER delivers 56.28 TFLOPS in FP16, matching its FP32 rate at a 1:1 ratio. For workloads that use reduced-precision arithmetic, the H20 is ahead. For FP32 compute, the RTX 5080 SUPER leads with 56.28 TFLOPS versus the H20’s 39.54 TFLOPS.

Architecture Differences

The RTX 5080 SUPER uses the GB203 chip, built on the Blackwell 2.0 architecture, and is fabricated on a 5 nm process at TSMC. The H20 uses the GH100 chip, based on the Hopper architecture, also on a 5 nm TSMC process. The transistor counts differ substantially: the GB203 contains 45,600 million transistors on a 378 mm² die, giving a density of 120.6 million transistors per square millimeter. The GH100 packs 80,000 million transistors onto a larger 814 mm² die, with a lower density of 98.3 million per square millimeter. The H20’s larger die reflects its server-oriented design with more memory controllers and compute resources.

Clock speeds diverge as well. The RTX 5080 SUPER runs at a base clock of 2295 MHz and a boost clock of 2617 MHz. The H20 operates at 1830 MHz base and 1980 MHz boost. The RTX 5080 SUPER’s higher clocks contribute to its FP32 advantage despite having fewer transistors. The H20 compensates with a wider memory bus and higher FP16 throughput.

The shading unit counts are close but not identical. The RTX 5080 SUPER has 10752 shading units, 336 texture mapping units, and 112 raster output units. The H20 has 9984 shading units, 312 TMUs, and only 24 ROPs. The H20’s low ROP count, typical for a compute-focused accelerator, limits its pixel throughput to 47.52 GPixel/s, compared to the RTX 5080 SUPER’s 293.1 GPixel/s. The RTX 5080 SUPER also includes 84 ray tracing cores, while the H20 lists no ray tracing cores in the database. Tensor core counts are 336 for the RTX 5080 SUPER and 312 for the H20.

The H20’s memory clock is 1313 MHz with an effective rate of 5.3 Gbps, while the RTX 5080 SUPER’s memory runs at 2000 MHz with an effective 32 Gbps. The H20’s 6144-bit bus multiplies its bandwidth far beyond the RTX 5080 SUPER’s 256-bit bus. The RTX 5080 SUPER uses GDDR7 memory; the H20 uses HBM3.

FAQ

Q: Which GPU has a higher FP32 compute throughput?

A: The RTX 5080 SUPER delivers 56.28 TFLOPS in FP32, while the H20 provides 39.54 TFLOPS. The RTX 5080 SUPER leads by a substantial margin in single-precision workloads.

Q: How much memory does each card have, and what type?

A: The RTX 5080 SUPER has 24 GB of GDDR7 memory. The H20 has 96 GB of HBM3 memory. The H20’s frame buffer is four times larger.

Q: Does the H20 support DirectX 12?

A: No. The database lists the H20’s DirectX support as N/A, along with OpenGL and Vulkan also marked N/A. The RTX 5080 SUPER supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the pixel fill rate for each card?

A: The RTX 5080 SUPER has a pixel rate of 293.1 GPixel/s. The H20’s pixel rate is 47.52 GPixel/s. The RTX 5080 SUPER is far ahead due to its 112 ROPs versus the H20’s 24 ROPs.

Q: Which card has a higher memory bandwidth?

A: The H20 provides 4.03 TB/s of bandwidth, compared to the RTX 5080 SUPER’s 1.02 TB/s. The H20’s 6144-bit bus and HBM3 memory give it four times the bandwidth.

Q: What is the thermal design power for each part?

A: The RTX 5080 SUPER has a TDP of 415 W. The H20 has a TDP of 500 W and a suggested PSU rating of 900 W.

Specification Differences

The two GPUs differ in nearly every specification field. The RTX 5080 SUPER uses a GB203 chip with 45,600 million transistors on a 378 mm² die, while the H20 uses a GH100 chip with 80,000 million transistors on an 814 mm² die. Both use a 5 nm process from TSMC, but transistor density favors the RTX 5080 SUPER at 120.6M per mm² versus 98.3M per mm² for the H20.

Clock speeds: the RTX 5080 SUPER runs at 2295 MHz base and 2617 MHz boost. The H20 runs at 1830 MHz base and 1980 MHz boost. Memory clocks: the RTX 5080 SUPER’s memory runs at 2000 MHz with an effective 32 Gbps, while the H20’s memory runs at 1313 MHz with an effective 5.3 Gbps.

Memory configuration: the RTX 5080 SUPER has 24 GB of GDDR7 on a 256-bit bus with 1.02 TB/s bandwidth. The H20 has 96 GB of HBM3 on a 6144-bit bus with 4.03 TB/s bandwidth.

Compute units: the RTX 5080 SUPER has 10752 shading units, 336 TMUs, 112 ROPs, 84 RT cores, and 336 tensor cores. The H20 has 9984 shading units, 312 TMUs, 24 ROPs, no listed RT cores, and 312 tensor cores.

Throughput rates: the RTX 5080 SUPER achieves 293.1 GPixel/s pixel rate, 879.3 GTexel/s texture rate, 56.28 TFLOPS FP32, and 56.28 TFLOPS FP16. The H20 achieves 47.52 GPixel/s pixel rate, 617.8 GTexel/s texture rate, 39.54 TFLOPS FP32, and 79.07 TFLOPS FP16.

Power and form factor: the RTX 5080 SUPER has a TDP of 415 W, is a dual-slot card, and uses a single 16-pin power connector. The H20 has a TDP of 500 W, is an SXM module, and has no power connector listed, with a suggested PSU of 900 W.

Interface and outputs: both use PCIe 5.0 x16. The RTX 5080 SUPER has 1x HDMI 2.1b and 3x DisplayPort 2.1b outputs. The H20 has no display outputs.

API support: the RTX 5080 SUPER supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The H20 lists N/A for all three APIs.

Release timing: the RTX 5080 SUPER has a release date of 2025-12-31, while the H20 has a release date of 2024-01-31. The H20’s predecessor is listed as Server Ada, and its successor as Server Blackwell. The RTX 5080 SUPER has no predecessor or successor listed.

Physical dimensions: the RTX 5080 SUPER measures 304 mm in length, 137 mm in height, and 40 mm in width. The H20 has no dimensions recorded.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between the RTX 5080 SUPER and the H20. The RTX 5080 SUPER has one benchmark result: 3DMark Steel Nomad DX12 with a score of 3075. The H20 has zero benchmark scores, so no numeric comparison is possible from the recorded data.

The RTX 5080 SUPER’s nearest rivals in the database provide context for its score. The NVIDIA Quadro P1000 has an average score of 3163, which is 2.8% above the RTX 5080 SUPER. The Intel Arc Pro B60 scores 3182, 3.4% higher. The NVIDIA GeForce 820A scores 2983, 3.1% lower, and the NVIDIA GeForce GTX 860M scores 2967, 3.6% lower. These deltas show the RTX 5080 SUPER sits in a narrow band around similar-scoring parts, slightly below the Quadro P1000 and Arc Pro B60, and slightly above the 820A and GTX 860M.

For the H20, with no benchmark data and no nearest rivals, the database records no comparable performance metrics. Its 50th percentile field is a placeholder, not a measured result. The only quantitative comparisons between the two parts come from their specification sheets.

The biggest wins for the RTX 5080 SUPER are in FP32 compute (56.28 TFLOPS versus 39.54 TFLOPS), pixel rate (293.1 GPixel/s versus 47.52 GPixel/s), and texture rate (879.3 GTexel/s versus 617.8 GTexel/s). The biggest wins for the H20 are in memory capacity (96 GB versus 24 GB), memory bandwidth (4.03 TB/s versus 1.02 TB/s), and FP16 compute (79.07 TFLOPS versus 56.28 TFLOPS).

The Verdict

The data indicates a clear division of purpose. The RTX 5080 SUPER is built for rasterization, pixel processing, and single-precision compute. Its 112 ROPs, 84 RT cores, and 293.1 GPixel/s pixel rate make it suitable for graphics-intensive workloads that generate display output. Its DirectX 12 Ultimate support and display connectors confirm a consumer or workstation role. The recorded 3DMark Steel Nomad score of 3075, while not exceptional relative to its nearest rivals, provides a concrete measure of its graphics capability.

The H20 is optimized for memory-bound server workloads. Its 96 GB HBM3 pool and 4.03 TB/s bandwidth dominate any specification comparison against the RTX 5080 SUPER. Its FP16 throughput of 79.07 TFLOPS, achieved via a 2:1 ratio, targets neural network and scientific computing tasks that rely on reduced precision. The absence of display outputs and API support for DirectX, OpenGL, and Vulkan confirms it is not intended for local graphics rendering.

A buyer choosing between these parts should base the decision on workload type. For interactive graphics, gaming, or any task requiring a frame buffer with pixel output, the RTX 5080 SUPER is the only option with measured performance and display capability. For server deployments that need large memory capacity and high bandwidth for data-intensive compute, the H20 offers four times the memory and bandwidth, plus superior FP16 throughput. The RTX 5080 SUPER’s launch MSRP is 999 USD. The H20 has no launch MSRP recorded.

The RTX 5080 SUPER also offers a more conventional physical design: a dual-slot card with a 16-pin connector, 304 mm length, and 415 W TDP. The H20 is an SXM module with a 500 W TDP and no dimensions listed, indicating a different mounting and cooling infrastructure. The production status for both parts is active, so both remain available in their respective markets.

In summary, the RTX 5080 SUPER wins on raw graphics throughput, clock speeds, and consumer-facing features. The H20 wins on memory capacity, bandwidth, and half-precision compute. No benchmark data exists for the H20, so its performance in real workloads cannot be quantified from the database. The RTX 5080 SUPER has a single measured score that places it near the Quadro P1000 and Arc Pro B60 in the database’s rankings. The choice between them is a choice between a graphics card and a compute accelerator, and the specifications make that distinction unambiguous.