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GB200 vs B200 SXM
Cloud rental price, compute per dollar and specs, side by side.
Open in the interactive comparer →
GB200$10.5lowest on-demand per GPU·h
$4.20 per PFLOP·h · 3 providersB200 SXM$5.43lowest on-demand per GPU·h
$2.41 per PFLOP·h · 17 providersWhat actually differs
- The GB200 has 1.1× more dense FP16/BF16 throughput than the B200 SXM (2.5 PF vs 2.25 PF).
- The GB200 has 1.0× more memory bandwidth than the B200 SXM (8,000 vs 7,700 GB/s), which usually limits LLM token generation. Memory: 186 GB vs 180 GB.
- The B200 SXM is 48% cheaper per hour than the GB200 at the lowest on-demand prices ($10.5 vs $5.43).
- Per unit of compute, the B200 SXM is the better deal: $2.41 vs $4.20 per PFLOP-hour of dense FP16/BF16.
| Spec / price | GB200 | B200 SXM |
|---|---|---|
| Memory | 186 GB HBM3ebetter | 180 GB HBM3e |
| Memory bandwidth | 8,000 GB/sbetter | 7,700 GB/s |
| FP16 / BF16 (dense) | 2.5 PFbetter | 2.25 PF |
| FP8 (dense) | 5 PFbetter | 4.5 PF |
| FP4 (dense) | 10 PFbetter | 9 PF |
| INT8 (dense) | 5 PFbetter | 4.5 PF |
| TF32 (dense) | 1.25 PFbetter | 1.1 PF |
| FP32 (dense) | 0.08 PFbetter | 0.075 PF |
| FP64 (dense) | 0.045 PFbetter | 0.037 PF |
| Power | 1200 W | 1000 W |
| Architecture | Blackwell (2024) | Blackwell (2024) |
| Lowest on-demand | $10.5 | $5.43better |
| Median on-demand | $16.0 | $8.19better |
| Lowest spot | — | $2.01 |
| FP16/BF16 $ per PFLOP·h | $4.20 | $2.41better |
| Providers | 3 | 17 |
GB200 vs B200 SXM: questions
Is the GB200 faster than the B200 SXM?
The GB200 has 1.1× more dense FP16/BF16 compute than the B200 SXM. The GB200 has 1.0× more memory bandwidth than the B200 SXM. 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 GB200 or the B200 SXM?
Right now the B200 SXM is cheaper per unit of compute: $2.41 vs $4.20 per PFLOP-hour at the lowest on-demand prices.
How much does it cost to rent an GB200 vs an B200 SXM for a month?
Running one GPU around the clock at the lowest on-demand price costs about $7,665 per month for the GB200 and $3,966 for the B200 SXM.
Which has more memory, the GB200 or the B200 SXM?
The GB200 has more memory: 186 GB vs 180 GB.