Apple M4 Ultra (Estimated, 2025 Q4)
Overview
Apple M4 Ultra is Apple Silicon's projected 4th-generation Ultra flagship, expected in late 2025. Based on merging two M4 Max dies via UltraFusion 2.0, it is projected to deliver a 32-core CPU (24P+8E), 80-core GPU, 256GB LPDDR5X, 819 GB/s bandwidth, and 76 TOPS Neural Engine.
Core Specifications (Estimated)
| Item | Parameter |
|---|
| Architecture | Apple Silicon (M4 Max x2, UltraFusion 2.0) |
| Process | TSMC 3nm N3E |
| CPU Cores | 32 (24P + 8E) |
| GPU Cores | 80 |
| Neural Engine | 32-core, 76 TOPS (estimated) |
| Unified Memory | 64GB - 256GB LPDDR5X |
| Memory Bandwidth | 819 GB/s (estimated) |
| UltraFusion | 2.5 TB/s |
| TDP | ~200W (estimated) |
| Projected Launch | 2025 Q4 |
Rumored Comparison vs M3 Ultra
| Metric | M4 Ultra (est.) | M3 Ultra | Change |
|---|
| Process | 3nm N3E | 3nm N3 | 2nd-gen |
| NE | 76 TOPS | 72 TOPS | +6% |
| Bandwidth | 819 GB/s | 800 GB/s | +2% |
| Memory Type | LPDDR5X | LPDDR5 | Faster |
| Item | Details |
|---|
| Vendor | Apple Inc. |
| Product | Mac Studio 2025 (projected) |
| Status | Unreleased / Rumored |
Key Features
- 819 GB/s bandwidth: highest ever Apple Silicon
- 76 TOPS NE: boosted Apple Intelligence performance
- 256GB LPDDR5X: massive unified memory
- N3E process: improved yield and efficiency