Instinct MI355X vs Ironwood TPU v7
Complete side-by-side comparison of specs, performance, memory, power efficiency, and pricing.
Instinct MI355X
96
Spec Wins
Ironwood TPU v7
95
Detailed Specifications
Instinct MI355X — Best For
Ironwood TPU v7 — Best For
Who Should Choose Each GPU?
Choose Instinct MI355X if you…
- ✓Need more VRAM (288GB vs 192GB) for large model inference
- ✓Prioritize raw FP8 throughput (4,625 vs 4,614 TFLOPS)
- ✓Running LLM Training workloads
- ✓Running Frontier AI workloads
- ✓Running HPC workloads
Choose Ironwood TPU v7 if you…
- ✓Have power-constrained data centers (1000W vs 1400W TDP)
- ✓Running Frontier Training workloads
- ✓Running Large-Scale Inference workloads
- ✓Running JAX workloads
Verdict
The Instinct MI355X and Ironwood TPU v7 target different priorities. The Instinct MI355X's 288GB of HBM3e gives it a clear edge for large-model inference where fitting the full model in VRAM eliminates quantization overhead. For training throughput, the Instinct MI355X's 4,625 FP8 TFLOPS outpaces the Ironwood TPU v7's 4,614 TFLOPS. Both GPUs use ROCM, so ecosystem switching cost is not a factor. Use our TCO Calculator to model the full 3-year cost difference for your specific utilization and power costs.
Instinct MI355X vs Ironwood TPU v7: Common Questions
Which is faster, Instinct MI355X or Ironwood TPU v7?+
In FP8 throughput, the Instinct MI355X leads with 4,625 TFLOPS vs 4,614 TFLOPS. For LLM inference, memory capacity and bandwidth often matter more than raw TFLOPS — the Instinct MI355X has more VRAM (288GB).
Is Instinct MI355X or Ironwood TPU v7 better for LLM training?+
For LLM training at scale, the Instinct MI355X has higher raw throughput. However, the choice also depends on your software stack: Ironwood TPU v7 offers CUDA compatibility with the widest framework support (PyTorch, JAX, TensorRT).
What is the price difference between Instinct MI355X and Ironwood TPU v7?+
Pricing for these GPUs varies by vendor and availability. Check our Buy page for current reseller pricing and cloud rental costs.
Which GPU is more power efficient, Instinct MI355X or Ironwood TPU v7?+
The Ironwood TPU v7 has a lower TDP (1000W vs 1400W). Performance-per-watt depends on your workload — for FP8 inference, divide TFLOPS by TDP: Instinct MI355X = 3.3 TFLOPS/W vs Ironwood TPU v7 = 4.6 TFLOPS/W.