AMD Instinct MI355X vs NVIDIA GeForce RTX 3080 Ti — GPU Comparison (Jul 2026)
AMD Instinct MI355X (288GB HBM3e, 1,800 TFLOPS FP16, CDNA 4) vs NVIDIA GeForce RTX 3080 Ti (12GB GDDR6X, 34.1 TFLOPS FP16, Ampere). 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 GeForce RTX 3080 Ti
AMD Instinct MI355X comes out ahead overall, leading in 5 of 6 compared categories.
Where AMD Instinct MI355X leads
- FP16 (1,800 TFLOPS vs 34.1 TFLOPS)
- VRAM (288 GB vs 12 GB)
- Memory Bandwidth (8,000 GB/s vs 912 GB/s)
- FP32 (72 TFLOPS vs 17 TFLOPS)
- Release Year (2025 vs 2021)
Where NVIDIA GeForce RTX 3080 Ti leads
- TDP (350W vs 1400W)
Choose AMD Instinct MI355X for Frontier AI training, highest-end AMD workloads. Choose NVIDIA GeForce RTX 3080 Ti for Gaming, inference.
Frequently Asked Questions
Is AMD Instinct MI355X or NVIDIA GeForce RTX 3080 Ti better?
AMD Instinct MI355X leads in 5 of 6 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 GeForce RTX 3080 Ti?
AMD Instinct MI355X (1,800 TFLOPS vs 34.1 TFLOPS).
Which has a better VRAM, AMD Instinct MI355X or NVIDIA GeForce RTX 3080 Ti?
AMD Instinct MI355X (288 GB vs 12 GB).
|
AMD Instinct MI355X
288GB HBM3e · CDNA 4
|
NVIDIA GeForce RTX 3080 Ti
12GB GDDR6X · Ampere
|
||
|---|---|---|---|
| Specifications | |||
| Manufacturer | AMD | NVIDIA | |
| Architecture | CDNA 4 | Ampere | |
| VRAM | 288 GB HBM3e | 12 GB GDDR6X | |
| Memory Bandwidth | 8,000 GB/s | 912 GB/s | |
| FP16 (Tensor) | 1800.0 TFLOPS | 34.1 TFLOPS | |
| FP32 | 72.0 TFLOPS | 17.0 TFLOPS | |
| TDP | 1400W | 350W | |
| Release Year | 2025 | 2021 | |
| Segment | Data center | Consumer | |
| Best For | Frontier AI training highest-end AMD workloads | Gaming 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 GeForce RTX 3080 Ti