B200 SXM 192GB vs H200 SXM 141GB
AI GPU comparison · NVIDIA vs NVIDIA · 2025 vs 2024
B200 SXM 192GB vs H200 SXM 141GB — head to head
| Metric | B200 SXM 192GB | H200 SXM 141GB |
|---|---|---|
| Relative tier | 100/100 | 97/100 |
| TDP / power | 1000 W | 700 W |
| Memory | 192 GB | 141 GB |
| Bandwidth | 8000 GB/s | 4800 GB/s |
| Boost clock | 1975 MHz | 1980 MHz |
| FP16 compute | 2250 TFLOPS | 989 TFLOPS |
Which one should you pick?
The two are within ~3 tier points of each other, so the relative-performance index does not clearly separate them. 192 GB VRAM on the larger card vs 141 GB. Tier is a TweakGearPro planning estimate, not a benchmark — verify with reviews that match your exact workload, resolution and workload mix before buying.
Specs: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Tier is a TweakGearPro relative performance index (estimate), not a benchmark guarantee.
Full specifications
B200 SXM 192GB
| Brand / series | NVIDIA Datacenter Blackwell |
|---|---|
| Architecture / class | Blackwell |
| Launch year | 2025 |
| Memory | 192 GB HBM3e · 8192-bit · 8000 GB/s |
| Boost clock | 1975 MHz |
| FP16 compute | 2250 TFLOPS |
| FP8 compute | 4500 TFLOPS |
| Interconnect | NVLink 5 / SXM6 |
| TDP | 1000 W |
| Relative tier | 100/100 — Enthusiast flagship |
H200 SXM 141GB
| Brand / series | NVIDIA Datacenter Hopper |
|---|---|
| Architecture / class | Hopper |
| Launch year | 2024 |
| Memory | 141 GB HBM3e · 6144-bit · 4800 GB/s |
| Boost clock | 1980 MHz |
| FP16 compute | 989 TFLOPS |
| FP8 compute | 1979 TFLOPS |
| Interconnect | NVLink 4 / SXM5 |
| TDP | 700 W |
| Relative tier | 97/100 — Enthusiast flagship |