| System | Chip | Memory | Memory bandwidth | Price | Source |
|---|---|---|---|---|---|
| NVIDIA DGX Spark (128GB) | NVIDIA GB10 Grace Blackwell | 128 GB unified | 273 GB/s | $4,699 (NVIDIA Founders Edition MSRP from Feb 2026; current marketplace price TBD) A 64GB configuration is sold through OEM partners. | NVIDIA: DGX Spark product page and specs; NVIDIA Developer Forums: DGX Spark price change announcement (Feb 2026) |
| GMKtec EVO-X2 (128GB / 1TB) | AMD Ryzen AI Max+ 395 | 128 GB unified | 256 GB/s (computed: 256-bit × 8000 MT/s) | $3,499.99 (maker store, accessed 21 Oct 2026) | GMKtec: EVO-X2 product page (128GB + 1TB variant); AMD: Ryzen AI Max+ 395 specifications |
| Mac Studio (M5 Max 40-core GPU, 128GB) | Apple M5 Max | 128 GB unified | 614 GB/s | TBD | Apple: Mac Studio technical specifications |
- Capacity: all three offer 128 GB configurations (Mac Studio M5 Ultra goes to 512 GB).
- Bandwidth: DGX Spark 273 GB/s and Ryzen AI Max+ 395 256 GB/s are similar; Mac Studio M5 Max (40-core GPU) lists 614 GB/s.
- Software: Spark runs NVIDIA's CUDA stack; Strix Halo uses ROCm or Vulkan backends; Mac uses Metal/MLX.
Head-to-head benchmarks: TBD (see benchmarks).
Check a specific model against your hardware with Can My PC Run It?, or get a parts shortlist from the AI PC Builder.