NVIDIA L40S vs H100
Compare published specifications with current rental availability.
Differences are derived only from verified memory, bandwidth, power, form factor, precision support, software ecosystem and real inventory.
| Field | NVIDIA L40S 48GB | NVIDIA H100 SXM 80GB |
|---|---|---|
| Vendor | NVIDIA | NVIDIA |
| Exact SKU | L40S | H100 SXM |
| Architecture | Ada Lovelace | Hopper |
| Generation | Ada Data Center | Hopper |
| Category | Data center | Data center |
| Lifecycle | Current | Current |
| VRAM | 48 GB | 80 GB |
| Memory technology | GDDR6 ECC | HBM3 |
| Bandwidth | 864 GB/s | 3,350 GB/s |
| Power | 350 W | 700 W |
| Interface | PCIe Gen4 x16 | PCIe Gen5 host interface |
| Form factor | Dual slot · PCIe · Accelerator | SXM · Module |
| Interconnect | PCIe | NVLink |
| MIG / partitioning | Not listed as supported | Supported |
| Numeric precision formats | FP32, TF32, BF16, FP16, FP8, INT8 | FP64, FP32, TF32, BF16, FP16, FP8, INT8 |
| Runtime ecosystem | cuda, vllm, sglang, tensorrt-llm | cuda, vllm, sglang, tensorrt-llm |
| Rental availability | Available | Available |
| Monthly rental price | USD 506 | USD 1,860 |
Verified differences
- NVIDIA H100 SXM 80GB has the most VRAM in this selection.
- NVIDIA H100 SXM 80GB has the highest recorded memory bandwidth.
- NVIDIA L40S 48GB has the lowest published power value.
Architecture differences
Source-verified facts: NVIDIA L40S 48GB: Ada Lovelace / Ada Data Center / Dual slot · PCIe · Accelerator · NVIDIA H100 SXM 80GB: Hopper / Hopper / SXM · Module
VRAM and memory requirements
Source-verified facts: NVIDIA L40S 48GB: 48 GB / GDDR6 ECC / 864 GB/s · NVIDIA H100 SXM 80GB: 80 GB / HBM3 / 3,350 GB/s
Power and cooling
Source-verified facts: NVIDIA L40S 48GB: 350 W / Dual slot · PCIe · Accelerator · NVIDIA H100 SXM 80GB: 700 W / SXM · Module
AI precision support
Source-verified facts: NVIDIA L40S 48GB: FP32, TF32, BF16, FP16, FP8, INT8 · NVIDIA H100 SXM 80GB: FP64, FP32, TF32, BF16, FP16, FP8, INT8
Interface and interconnect
Source-verified facts: NVIDIA L40S 48GB: PCIe Gen4 x16 / PCIe · NVIDIA H100 SXM 80GB: PCIe Gen5 host interface / NVLink
Multi-GPU considerations
Large variants may require tensor parallelism or multiple nodes. Validate total resident weights, runtime support, interconnect, topology and headroom before choosing a GPU count.
Model and workload fit
Model fit depends on exact checkpoint precision, runtime support, memory headroom and topology. Reference compatibility does not imply FusionPointAI rental inventory.
Rental availability
Source-verified facts: NVIDIA L40S 48GB: Available / USD 506 / month · NVIDIA H100 SXM 80GB: Available / USD 1,860 / month
Official sources
Last verified: 2026-08-25