Apple M2 Ultra (192GB Unified Memory)
Overview
Apple M2 Ultra is Apple Silicon's 2nd-generation Ultra flagship, released 2023-06 in the Mac Studio 2023 and Mac Pro 2023. It merges two M2 Max dies into a single chip via UltraFusion 2.5 TB/s interconnect, delivering 192GB unified memory, 800 GB/s bandwidth, 24-core CPU (16P+8E), 76-core GPU, and 32-core Neural Engine (31.6 TOPS). It was the final Intel-free Mac Pro and the most powerful Apple Silicon chip before M3 Ultra.
Core Specifications
| Item | Parameter |
|---|
| Architecture | Apple Silicon (M2 Max x2, UltraFusion 2.5 TB/s) |
| Process | TSMC 5nm (N5P) |
| Transistors | 134 billion |
| CPU Cores | 24 (16P + 8E) |
| GPU Cores | 76 |
| Neural Engine | 32-core, 31.6 TOPS |
| Unified Memory | 64GB / 128GB / 192GB LPDDR5 |
| Memory Bandwidth | 800 GB/s |
| FP32 GPU | ~27.2 TFLOPS |
| FP16 GPU | ~54.4 TFLOPS |
| Media Engine | Hardware H.264/HEVC/ProRes |
| TDP | 100-215W |
| Mac Studio M2 Ultra 192GB | $5,499 (2023-06 launch) |
| Mac Pro M2 Ultra 192GB | $7,499 |
| Discontinued | 2024-10 (M4 Max/Ultra launch) |
Comparison with M1 Ultra
| Metric | M2 Ultra | M1 Ultra | Improvement |
|---|
| Process | 5nm (N5P) | 5nm | 2nd-gen 5nm |
| CPU Cores | 24 (16P+8E) | 20 (16P+4E) | +20% |
| GPU Cores | 76 | 64 | +19% |
| Neural Engine | 31.6 TOPS | 22 TOPS | +44% |
| Memory | 192GB | 128GB | +50% |
| Bandwidth | 800 GB/s | 800 GB/s | Same |
| Model | Quantization | Performance (tok/s) |
|---|
| Llama 2 70B | Q4_K_M | ~8 tok/s |
| Llama 2 13B | Q4_K_M | ~22 tok/s |
| Mixtral 8x7B | Q4_K_M | ~18 tok/s |
| Falcon 40B | Q4_K_M | ~10 tok/s |
| Item | Details |
|---|
| Vendor | Apple Inc. |
| Product | Mac Studio 2023 + Mac Pro 2023 |
| Mac Studio M2 Ultra 192GB | $5,499 |
| Mac Pro M2 Ultra 192GB | $7,499 |
| Discontinued | 2024-10 |
Use Cases
- Local 70B LLM inference (192GB UMA, quantized)
- 8K video editing (ProRes RAW hardware acceleration)
- 3D rendering (Blender Cycles, Octane, Maya)
- On-device AI development (MLX, llama.cpp)
- Music production (Logic Pro + Dolby Atmos)
Key Features
- 192GB UMA: largest consumer unified memory at launch
- UltraFusion 2.5 TB/s: dual die seamless integration
- 76-core GPU: leading consumer graphics
- 31.6 TOPS NE: 2nd-gen Neural Engine
- 800 GB/s: top-tier consumer bandwidth
- Drawbacks: Discontinued, no FP8 support