NVIDIA GeForce RTX 4070 AD103 vs NVIDIA H20 Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark scores for the NVIDIA GeForce RTX 4070 AD103 and the NVIDIA H20. Both entries carry an average benchmark score of zero and a percentile rank of 50 against all GPUs, with no nearest rivals listed. The absence of measured performance data means the comparison must rely on the architectural and specification differences recorded in the database rather than empirical test results.

The RTX 4070 AD103 delivers 29.15 TFLOPS of FP32 compute, while the H20 delivers 39.54 TFLOPS, a 35.6% advantage for the server part. In FP16 workloads, the gap widens substantially: the RTX 4070 AD103 sustains 29.15 TFLOPS at a 1:1 ratio, whereas the H20 reaches 79.07 TFLOPS at a 2:1 ratio, giving the H20 a 171.2% lead. Texture throughput favors the H20 as well, with 617.8 GTexel/s versus 455.4 GTexel/s, a 35.7% difference. Pixel rate, however, reverses the trend: the RTX 4070 AD103 outputs 158.4 GPixel/s compared to the H20's 47.52 GPixel/s, a 233.3% advantage for the GeForce card.

Memory bandwidth shows the most extreme divergence. The H20's HBM3 stack provides 4.03 TB/s of bandwidth across a 6144-bit bus, while the RTX 4070 AD103 offers 504.2 GB/s over a 192-bit GDDR6X interface. The H20 leads by roughly 8 times in raw bandwidth. Capacity also differs sharply: 96 GB on the H20 versus 12 GB on the RTX 4070 AD103, an 8x difference. The RTX 4070 AD103 compensates with faster effective memory clocks at 21 Gbps versus 5.3 Gbps on the H20, but the H20's much wider bus and larger pool dominate aggregate throughput.

Clock speeds favor the RTX 4070 AD103. Base frequency sits at 1920 MHz on the GeForce card versus 1830 MHz on the H20, and boost reaches 2475 MHz versus 1980 MHz. The RTX 4070 AD103's higher clocks help explain its pixel-rate dominance despite having far fewer ROPs in some respects: the GeForce card has 64 ROPs, while the H20 has only 24. Shading units also differ, with the H20 carrying 9984 shading units versus 5888 on the RTX 4070 AD103, and TMUs at 312 versus 184. Tensor core counts show 312 on the H20 and 184 on the RTX 4070 AD103.

Where Each One Wins

The RTX 4070 AD103 wins in scenarios where pixel throughput and high clock speeds matter. Its 158.4 GPixel/s pixel rate exceeds the H20's 47.52 GPixel/s by 233.3%, which points to rasterization-heavy workloads such as conventional rendering pipelines that rely on fill-rate-bound operations. The GeForce card's higher boost clock of 2475 MHz versus 1980 MHz also suggests an edge in latency-sensitive tasks that scale with frequency rather than parallel width. Its 12 GB of GDDR6X memory at 21 Gbps effective provides lower per-connection latency characteristics suited to interactive use, and it supports display outputs (1x HDMI 2.1, 3x DisplayPort 1.4a) where the H20 has no outputs at all.

The H20 wins in compute-density and memory-capacity scenarios. Its FP32 throughput of 39.54 TFLOPS is 35.6% higher, and its FP16 throughput of 79.07 TFLOPS is 171.2% higher, making it the stronger choice for matrix-heavy workloads. The 96 GB HBM3 pool with 4.03 TB/s bandwidth supports large model residency and high-bandwidth data movement, which suits training and inference tasks where the 12 GB frame buffer of the RTX 4070 AD103 would be a constraint. The H20 also doubles the tensor core count at 312 versus 184, reinforcing its compute-oriented positioning.

The H20's 4.03 TB/s memory bandwidth is 7.99 times the RTX 4070 AD103's 504.2 GB/s, and its 6144-bit bus is 32 times wider than the 192-bit interface. These figures indicate that memory-bound operations, such as large matrix multiplications or data-intensive inference passes, will favor the H20 decisively. The RTX 4070 AD103's advantage in pixel rate and clocks, meanwhile, positions it for graphics output and interactive rendering where the H20's lack of display outputs and lower pixel rate would be disqualifying.

The production status recorded in the database aligns with this split: the RTX 4070 AD103 is listed as end-of-life, while the H20 is active. The RTX 4070 AD103 belongs to the GeForce 40-series consumer line with a successor in the GeForce 50 series, whereas the H20 sits in the Server Hopper generation with a successor in Server Blackwell.

Architecture Differences

The RTX 4070 AD103 uses the AD103 chip built on the Ada Lovelace architecture, while the H20 uses the GH100 chip built on the Hopper architecture. Both are fabricated by TSMC on a 5 nm process, but the physical implementation diverges sharply. The AD103 die measures 379 mm² and contains 45,900 million transistors, yielding a transistor density of 121.1M per mm². The GH100 die is 814 mm² with 80,000 million transistors, giving a density of 98.3M per mm². The H20's die is 2.15 times larger and carries 1.74 times more transistors, but at a lower density, indicating a design optimized for scale and memory integration rather than compactness.

The H20's Hopper architecture pairs its larger chip with HBM3 memory on a 6144-bit bus, which is a server-oriented design choice. The RTX 4070 AD103's Ada Lovelace architecture uses GDDR6X on a 192-bit bus, reflecting a consumer graphics focus. The H20 has no RT cores recorded in the database, while the RTX 4070 AD103 includes 46 RT cores, confirming that ray tracing acceleration is absent or unlisted for the server part. Tensor cores are present on both, but the H20 has 312 versus 184 on the RTX 4070 AD103.

The H20's FP16 throughput of 79.07 TFLOPS at a 2:1 ratio indicates a fused tensor path that doubles throughput relative to FP32. The RTX 4070 AD103 achieves 29.15 TFLOPS in FP16 at a 1:1 ratio, meaning no such doubling occurs. This architectural difference reflects the H20's compute specialization versus the RTX 4070 AD103's balanced graphics compute. The H20 also uses an SXM module form factor with no power connectors listed, while the RTX 4070 AD103 is a dual-slot card with a 1x 16-pin connector.

API support differs completely. The RTX 4070 AD103 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the H20 lists N/A for all three APIs. This confirms the H20 is not intended for graphics API workloads. The bus interface also differs: the H20 uses PCIe 5.0 x16, while the RTX 4070 AD103 uses PCIe 4.0 x16, a generational step that favors the H20 for data transfer to and from the host system.

Specification Differences

Power consumption differs by 2.5 times. The RTX 4070 AD103 has a TDP of 200 W and a suggested PSU of 550 W, while the H20 has a TDP of 500 W and a suggested PSU of 900 W. The H20's higher power envelope aligns with its larger die and memory subsystem.

Memory specifications show the largest gaps. The RTX 4070 AD103 has 12 GB of GDDR6X on a 192-bit bus with 504.2 GB/s bandwidth and an effective clock of 21 Gbps. The H20 has 96 GB of HBM3 on a 6144-bit bus with 4.03 TB/s bandwidth and an effective clock of 5.3 Gbps. Capacity, bus width, and bandwidth all favor the H20 by wide margins.

Shading units: 5888 on the RTX 4070 AD103 versus 9984 on the H20. TMUs: 184 versus 312. ROPs: 64 versus 24. Tensor cores: 184 versus 312. RT cores: 46 on the RTX 4070 AD103, none recorded on the H20. Pixel rate: 158.4 GPixel/s versus 47.52 GPixel/s. Texture rate: 455.4 GTexel/s versus 617.8 GTexel/s. FP32: 29.15 TFLOPS versus 39.54 TFLOPS. FP16: 29.15 TFLOPS versus 79.07 TFLOPS.

Clocks: base 1920 MHz versus 1830 MHz, boost 2475 MHz versus 1980 MHz, memory 1313 MHz on both but at different effective rates (21 Gbps versus 5.3 Gbps). Form factor: dual-slot with dimensions of 240 mm length, 110 mm height, 40 mm width for the RTX 4070 AD103; the H20 is an SXM module with no dimensions recorded. Display outputs: 1x HDMI 2.1 and 3x DisplayPort 1.4a on the RTX 4070 AD103, no outputs on the H20. Release dates: the RTX 4070 AD103 launched on 2024-02-29, the H20 on 2024-01-31. Production status: end-of-life versus active. The RTX 4070 AD103 has a launch MSRP of 599 USD; the H20 has no launch MSRP recorded.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The NVIDIA H20 delivers 39.54 TFLOPS of FP32 compute, which is 35.6% higher than the 29.15 TFLOPS of the NVIDIA GeForce RTX 4070 AD103.

Q: How do the memory bandwidth figures compare?

A: The H20 provides 4.03 TB/s of bandwidth from its HBM3 memory, while the RTX 4070 AD103 provides 504.2 GB/s from GDDR6X. The H20's bandwidth is approximately 8 times higher.

Q: Does the H20 support display outputs?

A: No. The H20 lists no display outputs, while the RTX 4070 AD103 includes 1x HDMI 2.1 and 3x DisplayPort 1.4a.

Q: What is the difference in power consumption?

A: The RTX 4070 AD103 has a TDP of 200 W with a suggested PSU of 550 W. The H20 has a TDP of 500 W with a suggested PSU of 900 W.

Q: Which GPU has more memory capacity?

A: The H20 has 96 GB of HBM3 memory, which is 8 times the 12 GB of GDDR6X on the RTX 4070 AD103.

Q: How do the tensor core counts differ?

A: The H20 has 312 tensor cores, while the RTX 4070 AD103 has 184 tensor cores. The H20 also achieves 79.07 TFLOPS of FP16 compute versus 29.15 TFLOPS on the RTX 4070 AD103.