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RTX PRO 6000 Blackwell vs L40S
Cloud rental price, compute per dollar and specs, side by side.
Open in the interactive comparer →
RTX PRO 6000 Blackwell$0.59lowest on-demand per GPU·h
$1.17 per PFLOP·h · 17 providersL40S$0.60lowest on-demand per GPU·h
$1.66 per PFLOP·h · 17 providersWhat actually differs
- The RTX PRO 6000 Blackwell has 1.4× more dense FP16/BF16 throughput than the L40S (0.504 PF vs 0.362 PF).
- The RTX PRO 6000 Blackwell has 2.1× more memory bandwidth than the L40S (1,792 vs 864 GB/s), which usually limits LLM token generation. Memory: 96 GB vs 48 GB.
- Only the RTX PRO 6000 Blackwell supports FP4.
- Both cost about the same per hour at the lowest on-demand prices ($0.59 vs $0.60).
- Per unit of compute, the RTX PRO 6000 Blackwell is the better deal: $1.17 vs $1.66 per PFLOP-hour of dense FP16/BF16.
| Spec / price | RTX PRO 6000 Blackwell | L40S |
|---|---|---|
| Memory | 96 GB GDDR7better | 48 GB GDDR6 |
| Memory bandwidth | 1,792 GB/sbetter | 864 GB/s |
| FP16 / BF16 (dense) | 0.504 PFbetter | 0.362 PF |
| FP8 (dense) | 1.01 PFbetter | 0.733 PF |
| FP4 (dense) | 2.02 PF | — |
| INT8 (dense) | 1.01 PFbetter | 0.733 PF |
| TF32 (dense) | 0.126 PF | 0.183 PFbetter |
| FP32 (dense) | 0.126 PFbetter | 0.0916 PF |
| FP64 (dense) | 0.002 PFbetter | 0.0014 PF |
| Power | 600 W | 350 W |
| Architecture | Blackwell (2025) | Ada Lovelace (2023) |
| Lowest on-demand | $0.59better | $0.60 |
| Median on-demand | $1.56 | $1.50better |
| Lowest spot | $0.32better | $0.38 |
| FP16/BF16 $ per PFLOP·h | $1.17better | $1.66 |
| Providers | 17 | 17 |
RTX PRO 6000 Blackwell vs L40S: questions
Is the RTX PRO 6000 Blackwell faster than the L40S?
The RTX PRO 6000 Blackwell has 1.4× more dense FP16/BF16 compute than the L40S. The RTX PRO 6000 Blackwell has 2.1× more memory bandwidth than the L40S. Real-world speedups depend on the workload: training and prefill scale with compute, while LLM decoding scales mostly with memory bandwidth.
Which is cheaper per FLOP, the RTX PRO 6000 Blackwell or the L40S?
Right now the RTX PRO 6000 Blackwell is cheaper per unit of compute: $1.17 vs $1.66 per PFLOP-hour at the lowest on-demand prices.
How much does it cost to rent an RTX PRO 6000 Blackwell vs an L40S for a month?
Running one GPU around the clock at the lowest on-demand price costs about $431 per month for the RTX PRO 6000 Blackwell and $440 for the L40S.
Which has more memory, the RTX PRO 6000 Blackwell or the L40S?
The RTX PRO 6000 Blackwell has more memory: 96 GB vs 48 GB.