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Comparison · Two 48 GB cards, one built for data centres

L40S or RTX A6000?

Both are dedicated, both are monthly, both open without an identity check. What separates them is memory, bandwidth and $428 a month — and which of those matters depends entirely on what you intend to run.

  • $714/moL40S, one card
  • $286/moRTX A6000, one card
  • 48 vs 48 GBmemory per card
  • 1.1×bandwidth gap

The short answer

Which one, and when

Pick the L40S
when throughput matters. Same 48 GB, but 13% more memory bandwidth — which is what sets generation speed — for $428/month more.
Pick the RTX A6000
when the L40S offers you nothing you need. Same memory, comparable bandwidth, $428/month cheaper.
Neither, if
your model does not fit on a single card of either. Sharding costs synchronisation at every layer — see the interconnect guide before buying a multi-GPU node.

Side by side

L40S compared with RTX A6000
L40S RTX A6000 Difference
ArchitectureAda LovelaceAmpere Ada Lovelace is a different generation
Memory per card 48 GB GDDR6 ECC 48 GB GDDR6 ECC Identical
Memory bandwidthPredicts generation speed 864 GB/s 768 GB/s 1.13× in favour of the L40S
Form factor PCIe add-in card PCIe add-in card Same
Node sizes 1×, 2×, 4×, 8× 1×, 2×, 4×, 8× Up to 384 GB in one node
From, per month $714 $286 $428/month apart

Price at every node size

Monthly price of both cards at each available node size
NodeL40SRTX A6000Total VRAM
1 × GPU $714/mo $286/mo 48 GB / 48 GB L40S RTX A6000
2 × GPU $1,427/mo $597/mo 96 GB / 96 GB L40S RTX A6000
4 × GPU $2,754/mo $1,163/mo 192 GB / 192 GB L40S RTX A6000
8 × GPU $5,251/mo $2,239/mo 384 GB / 384 GB L40S RTX A6000

What each one holds on a single card

At 8k context, best precision that fits. This is the difference that decides a purchase — not the specification sheet.

Only the L40S

Nothing. Every model the L40S holds on one card, the RTX A6000 holds too — the difference between them is speed, not capability.

Only the RTX A6000

Nothing. The L40S holds everything the RTX A6000 does.

The same model on both: Llama 3.3 70B. On the L40S, roughly 11 tokens/second at 4-bit (AWQ, GPTQ); on the RTX A6000, roughly 10. Single-stream and deliberately conservative — with continuous batching the aggregate is several times higher on both. Treat the ratio as the useful number, not the absolute.

Cost per GB and per TB/s

Two ratios that cut through the specification sheet. The first tells you what memory costs; the second what speed costs.

Cost per gigabyte of VRAM and per terabyte per second of bandwidth
Card$/GB of VRAM, per month$/TB per second, per monthBetter at
L40S $14.88 $714 Neither
RTX A6000 $5.96 $286 Both ratios

These ratios rank cards; they do not choose one. A card that is cheaper per gigabyte is worthless if it has too few gigabytes to hold your model at all — capacity is a threshold, not a slope. Use them to break a tie between two cards that both fit.

L40S against RTX A6000, in short

Is the L40S worth the extra money over the RTX A6000?
It costs $428 more a month — 150% — for 13% more memory bandwidth. Both hold the same set of models on a single card, so the difference is speed rather than capability.
Which one is faster for LLM inference?
Generation speed is bounded by memory bandwidth, because each token requires re-reading the active weights. The L40S has 864 GB/s against 768 GB/s, so the L40S leads by roughly 13% on a model both of them hold.
Do both come as multi-GPU nodes?
L40S: 1×, 2×, 4×, 8×. RTX A6000: 1×, 2×, 4×, 8×. Both are PCIe cards, joined peer-to-peer over the bus rather than by NVLink.
Can I rent either without an identity check?
Yes, both, on the same terms. No document, no selfie, no phone number and no company registration, at any level of spend. Payment is in cryptocurrency, each invoice gets its own address, and root access arrives under 5 minutes after the first confirmation.

Other comparisons

Both are racked and waiting, in all 6 data centres.

Whichever you pick, it is monthly, paid in crypto, opened without an identity check and delivered in under 5 minutes.

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