AMD Instinct MI355X vs NVIDIA B100 — GPU Comparison (Jul 2026)
AMD Instinct MI355X (288GB HBM3e, 1,800 TFLOPS FP16, CDNA 4) vs NVIDIA B100 (192GB HBM3e, 1,750 TFLOPS FP16, Blackwell). Cloud pricing: AMD Instinct MI355X from $2.59/hr. Compare specs, VRAM, performance, and pricing across 1 cloud providers to find the best GPU for your AI workload.
Bottom Line: AMD Instinct MI355X vs NVIDIA B100
AMD Instinct MI355X comes out ahead overall, leading in 4 of 5 compared categories.
Where AMD Instinct MI355X leads
- FP16 (1,800 TFLOPS vs 1,750 TFLOPS)
- VRAM (288 GB vs 192 GB)
- FP32 (72 TFLOPS vs 60 TFLOPS)
- Release Year (2025 vs 2024)
Where NVIDIA B100 leads
- TDP (700W vs 1400W)
Choose AMD Instinct MI355X for Frontier AI training, highest-end AMD workloads. Choose NVIDIA B100 for AI training, large-scale inference.
Frequently Asked Questions
Is AMD Instinct MI355X or NVIDIA B100 better?
AMD Instinct MI355X leads in 4 of 5 compared categories. The right choice still depends on the factors that matter most to you.
Which has a better FP16, AMD Instinct MI355X or NVIDIA B100?
AMD Instinct MI355X (1,800 TFLOPS vs 1,750 TFLOPS).
Which has a better VRAM, AMD Instinct MI355X or NVIDIA B100?
AMD Instinct MI355X (288 GB vs 192 GB).
|
AMD Instinct MI355X
288GB HBM3e · CDNA 4
|
NVIDIA B100
192GB HBM3e · Blackwell
|
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|---|---|---|---|
| Specifications | |||
| Manufacturer | AMD | NVIDIA | |
| Architecture | CDNA 4 | Blackwell | |
| VRAM | 288 GB HBM3e | 192 GB HBM3e | |
| Memory Bandwidth | 8,000 GB/s | 8,000 GB/s | |
| FP16 (Tensor) | 1800.0 TFLOPS | 1750.0 TFLOPS | |
| FP32 | 72.0 TFLOPS | 60.0 TFLOPS | |
| TDP | 1400W | 700W | |
| Release Year | 2025 | 2024 | |
| Segment | Data center | Data center | |
| Best For | Frontier AI training highest-end AMD workloads | AI training large-scale inference | |
| Cloud Pricing | |||
| Cheapest On-Demand | $2.59/hr | — | |
| Cheapest Spot | — | — | |
| Providers | 1 | 0 | |
| Provider Pricing (On-Demand) | |||
|
$2.59/hr | N/A | |
AMD Instinct MI355X
NVIDIA B100