Specifications Compared
| Spec | H100 | RTX 4500 Ada |
|---|---|---|
| TDP | 700W | 210W |
| VRAM | 80-94 GB | 24 GB |
| CUDA Cores | 16,896 | 7,680 |
| FP8 (dense) | 1,979 TFLOPS | Not published |
| Memory Type | HBM3 | GDDR6 |
| Architecture | Hopper | Ada Lovelace |
| FP16 (dense) | 989 TFLOPS | Not published |
| Form Factors | SXM5, PCIe, NVL | PCIe |
| INT8 (dense) | 1,979 TOPS | Not published |
| Interconnect | NVLink, PCIe 5.0, InfiniBand | PCIe 4.0 |
| Tensor Cores | 528 | 240 |
| FP32 Performance | 67 TFLOPS | 39.6 TFLOPS |
| FP64 Performance | 34 TFLOPS | Not published |
| Memory Bandwidth | 3,350 GB/s | 432 GB/s |
| FP8 (with sparsity) | 3,958 TFLOPS | 634 TFLOPS |
| FP16 (with sparsity) | 1,979 TFLOPS | Not published |
| INT8 (with sparsity) | 3,958 TOPS | Not published |
Performance Analysis
The H100 delivers FP16 dense performance at 989 TFLOPS compared to its FP32 figure of 67 TFLOPS which supports larger model training steps and faster inference iterations than the RTX 4500 Ada can achieve with its published FP32 rating alone. Memory bandwidth of 3350 GB/s on the H100 versus 432 GB/s on the RTX 4500 Ada permits substantially larger batch sizes during both training and inference operations. The H100 also lists FP8 dense performance at 1979 TFLOPS and FP8 with sparsity at 3958 TFLOPS while the RTX 4500 Ada provides FP8 with sparsity at 634 TFLOPS allowing direct sparse to sparse comparison that favors the H100 for tensor operations.
Current On-Demand Offers
Cheapest secure on-demand offer per provider that is reported in stock right now, per GPU per hour; multi-GPU instances show the whole-instance price alongside. Deploy opens the DeployGPU console for providers on the platform, otherwise the provider's own site. Stock is rechecked every minute.
H100
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Hyperstack | CANADA-1 | 4 | $2.50 | $10.00 | Deploy |
| Vast.ai | Czechia, CZ | 1 | $2.59 | — | Deploy |
| QuantaCloud | us-midwest-2 | 1 | $2.59 | — | Deploy |
| Massed Compute | us-central-3 | 4 | $2.73 | $10.92 | Deploy |
| Ori | dallas-2 | 1 | $2.90 | — | Deploy |
10 providers in stock, 27 offers (cheapest per provider shown). All H100 offers, price history and alerts
RTX 4500 Ada
RTX 4500 Ada is not offered on-demand by any provider we track right now. See the RTX 4500 Ada rental page for last-seen listed prices and a price alert.
Notify me when H100 drops below a price
One email when the cheapest in-stock on-demand price per GPU-hour falls below your threshold. Cheapest right now: $2.50/GPU-hr.
QuantaCloud
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Hopper stock changes by the hour and prices differ by provider. If you need 16+ GPUs reserved or a cluster in the next 90 days, we quote H-series or B300 inventory at partner rates: one quote, 24h turnaround.
When to Choose the H100
The H100 suits large scale LLM training and scientific computing tasks that require 80 to 94 GB HBM3 memory and 3350 GB/s bandwidth to handle extensive datasets. Its 989 TFLOPS FP16 dense rating and 1979 TOPS INT8 dense rating further support high throughput inference on complex models where the 700W TDP remains acceptable.
When to Choose the RTX 4500 Ada
The RTX 4500 Ada fits smaller fine tuning jobs and Stable Diffusion workloads that operate within 24 GB GDDR6 memory and a 210W TDP limit. Its PCIe form factor and 39.6 TFLOPS FP32 performance provide adequate capacity for these lighter tasks without exceeding modest power budgets.
Use Cases
The H100 supplies 80 to 94 GB HBM3 memory and 989 TFLOPS FP16 dense performance that enable training of large models while the RTX 4500 Ada limits capacity to 24 GB.
FP8 dense performance of 1979 TFLOPS on the H100 supports high volume inference compared to the RTX 4500 Ada FP8 with sparsity rating of 634 TFLOPS.
The RTX 4500 Ada operates at 210W TDP with 39.6 TFLOPS FP32 which suits moderate fine tuning workloads inside its 24 GB memory envelope.
A 210W TDP and PCIe form factor on the RTX 4500 Ada match the requirements of Stable Diffusion better than the 700W TDP of the H100.
The H100 provides 67 TFLOPS FP32 along with 3350 GB/s bandwidth that accelerate scientific simulations beyond the RTX 4500 Ada capabilities.
Frequently Asked Questions
What is the memory difference between H100 and RTX 4500 Ada?▾
The H100 contains 80 to 94 GB HBM3 memory while the RTX 4500 Ada holds 24 GB GDDR6 memory. This gap directly affects maximum model sizes that each GPU can process.
How does bandwidth compare on these GPUs?▾
The H100 reaches 3350 GB/s memory bandwidth whereas the RTX 4500 Ada reaches 432 GB/s. The higher figure on the H100 permits larger batch sizes in training and inference.
What FP32 performance do the GPUs offer?▾
The H100 lists 67 TFLOPS FP32 and the RTX 4500 Ada lists 39.6 TFLOPS FP32. These numbers determine baseline compute capacity for general workloads.
Which GPU has higher power consumption?▾
The H100 carries a 700W TDP while the RTX 4500 Ada carries a 210W TDP. Power draw influences data center cooling and electricity costs.
Can the RTX 4500 Ada run FP16 workloads?▾
The vendor does not publish an FP16 figure for the RTX 4500 Ada. The H100 provides 989 TFLOPS FP16 dense and 1979 TFLOPS FP16 with sparsity for such tasks.
What interconnect options exist on each card?▾
The H100 supports NVLink PCIe 5.0 and InfiniBand while the RTX 4500 Ada uses PCIe 4.0. Multi GPU scaling therefore differs between the two.
Which is cheaper to rent, the H100 or the RTX 4500 Ada?▾
Cloud rental prices for both the H100 and RTX 4500 Ada vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the H100 have compared to the RTX 4500 Ada?▾
The H100 has 80 to 94 GB of HBM3 memory. The RTX 4500 Ada has 24 GB of GDDR6 memory.
Can I find H100 and RTX 4500 Ada GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the H100 and the RTX 4500 Ada?▾
The H100 uses the Hopper architecture (2022) while the RTX 4500 Ada uses Ada Lovelace (2023). The H100 has 80-94 GB of HBM3 at 3,350 GB/s; the RTX 4500 Ada has 24 GB of GDDR6 at 432 GB/s, so the H100 has 7.8x the memory bandwidth of the RTX 4500 Ada.
Rent these GPUs
Each GPU page lists every current on-demand offer by provider, per GPU-hour, updated every minute.
Related comparisons
How this page is made
- Specifications come from the NVIDIA, AMD and Intel datasheets for the H100 and the RTX 4500 Ada. Dense and sparse throughput are listed separately.
- Prices and availability are live: every offer shown is an in-stock, on-demand listing from a provider we track, rechecked every minute.
- The written comparison (overview, performance notes, when to choose each card, verdict, use cases and FAQ) was drafted with an AI model from the specification table above and passed an automated check that rejects any figure not in that table. It was last generated on . It contains no prices; those are always read live.
- Read how we collect the data, or report an error on this page.
Next steps
- Rent H100Every current offer by provider, daily price history and a price alert.
- Rent RTX 4500 ADAEvery current offer by provider, daily price history and a price alert.
- GPU price indexHow on-demand prices for the major GPUs have moved, updated daily.
- All GPUsEvery GPU we track, with current lows and provider counts.