Side-by-side, with the numbers that matter.
Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.
Rig A
AMD Instinct MI355X
AMD · accelerator
Change
- 1X Neo
- Agility Robotics Digit
- Alibaba Qwen2.5-72B-Instruct (Q4 quant)
- AMD Instinct MI300X
- AMD Instinct MI325X
- AMD Instinct MI355X
- Anthropic Claude Opus 4.7
- Apple Mac Pro (M2 Ultra, 2023)
- Apple Mac Studio (M3 Ultra)
- Apple MacBook Pro 16-inch, M4 Max (2024)
- Apptronik Apollo
- Aurora
- AWS Trainium2
- Boston Dynamics Atlas
- Boston Dynamics Spot
- Cerebras Wafer-Scale Engine 3
- El Capitan
- Figure 02
- Frontier (OLCF-5)
- Google Cloud TPU v5p
- Groq Language Processing Unit
- Intel Gaudi 3 HL-325L
- MSI GeForce RTX 5090 Suprim Liquid
- NVIDIA B100
- NVIDIA B200
- NVIDIA DGX B200
- NVIDIA DGX H200
- NVIDIA DGX Spark
- NVIDIA Eos DGX SuperPOD
- NVIDIA GB200
- NVIDIA GB200 NVL72
- NVIDIA GeForce RTX 4090 Founders Edition
- NVIDIA GeForce RTX 5070 Ti
- NVIDIA GeForce RTX 5080 Founders Edition
- NVIDIA GeForce RTX 5090 Founders Edition
- NVIDIA GH200 Grace Hopper
- NVIDIA H100
- NVIDIA H200
- NVIDIA HGX B200
- NVIDIA Jetson AGX Thor
- NVIDIA RTX PRO 4500 Blackwell
- NVIDIA RTX PRO 5000 Blackwell
- NVIDIA RTX PRO 6000 Blackwell
- OpenAI GPT-5
- SambaNova SN40L Reconfigurable Dataflow Unit
- Sanctuary AI Phoenix
- Tesla Optimus
- The Stargate Project
- Unitree B2
- Unitree G1
- Unitree H1
Rig B
NVIDIA DGX Spark
NVIDIA · workstation
Change
- 1X Neo
- Agility Robotics Digit
- Alibaba Qwen2.5-72B-Instruct (Q4 quant)
- AMD Instinct MI300X
- AMD Instinct MI325X
- AMD Instinct MI355X
- Anthropic Claude Opus 4.7
- Apple Mac Pro (M2 Ultra, 2023)
- Apple Mac Studio (M3 Ultra)
- Apple MacBook Pro 16-inch, M4 Max (2024)
- Apptronik Apollo
- Aurora
- AWS Trainium2
- Boston Dynamics Atlas
- Boston Dynamics Spot
- Cerebras Wafer-Scale Engine 3
- El Capitan
- Figure 02
- Frontier (OLCF-5)
- Google Cloud TPU v5p
- Groq Language Processing Unit
- Intel Gaudi 3 HL-325L
- MSI GeForce RTX 5090 Suprim Liquid
- NVIDIA B100
- NVIDIA B200
- NVIDIA DGX B200
- NVIDIA DGX H200
- NVIDIA DGX Spark
- NVIDIA Eos DGX SuperPOD
- NVIDIA GB200
- NVIDIA GB200 NVL72
- NVIDIA GeForce RTX 4090 Founders Edition
- NVIDIA GeForce RTX 5070 Ti
- NVIDIA GeForce RTX 5080 Founders Edition
- NVIDIA GeForce RTX 5090 Founders Edition
- NVIDIA GH200 Grace Hopper
- NVIDIA H100
- NVIDIA H200
- NVIDIA HGX B200
- NVIDIA Jetson AGX Thor
- NVIDIA RTX PRO 4500 Blackwell
- NVIDIA RTX PRO 5000 Blackwell
- NVIDIA RTX PRO 6000 Blackwell
- OpenAI GPT-5
- SambaNova SN40L Reconfigurable Dataflow Unit
- Sanctuary AI Phoenix
- Tesla Optimus
- The Stargate Project
- Unitree B2
- Unitree G1
- Unitree H1
0 of 45 fields comparable
⇄ swap sides| Spec | AMD Instinct MI355X | NVIDIA DGX Spark |
|---|---|---|
| Bf16 Matrix Pflops Dense | 2.5 | — |
| Bf16 Matrix Pflops Sparse | 5 | — |
| Compute Units | 256 | — |
| Cooling | direct liquid cooling (air-cooled option available) | — |
| CPU Breakdown | — | 10x Arm Cortex-X925 + 10x Arm Cortex-A725 |
| CPU Cores Total | — | 20 |
| Dimensions MM | — | 150 x 150 x 50.5 |
| Ethernet | — | 1x 10 GbE RJ-45 |
| Form factor | OAM | — |
| Fp16 Matrix Pflops Dense | 2.5 | — |
| Fp16 Matrix Pflops Sparse | 5 | — |
| Fp32 Vector Tflops | 157.3 | — |
| FP4 Pflops Sparse | — | 1 |
| Fp64 Matrix Tflops | 78.6 | — |
| FP8 Matrix Pflops Dense | 5 | — |
| FP8 Matrix Pflops Sparse | 10.1 | — |
| Gb10 TDP Watts | — | 140 |
| GPU Arch | — | Blackwell, 5th-gen Tensor Cores, 4th-gen RT Cores |
| HBM (GB) | 288 | — |
| HBM Type | HBM3E | — |
| Helios Gpus PER Rack | 72 | — |
| Launch Price USD | — | 3,999 |
| Memory bandwidth (GB/s) | — | 273 |
| Memory bandwidth (TB/s) | 8 | — |
| Memory Interface BIT | — | 256 |
| Memory type | — | LPDDR5X |
| MSRP (USD)↓ better | — | 4,699 |
| Mxfp4 Matrix Pflops | 10.1 | — |
| Mxfp6 Matrix Pflops | 10.1 | — |
| NIC | — | ConnectX-7 @ 200 Gbps |
| Pcie GEN | 5 | — |
| Price Change Effective | — | 2026-02-23 |
| Process Node NM | 3 | — |
| PSU Watts | — | 240 |
| Storage | — | 4TB NVMe M.2 self-encrypting |
| Successor Cdna Version | 5 | — |
| Successor Family | AMD Instinct MI400 Series (MI455X) | — |
| Successor Launch | 2026-07-23 | — |
| Successor Mi455x Bandwidth TB S | 23.3 | — |
| Successor Mi455x Hbm4 GB | 432 | — |
| Superchip | — | NVIDIA GB10 Grace Blackwell |
| TBP Watts | 1,400 | — |
| Unified Memory GB | — | 128 |
| Weight KG | — | 1.2 |
| Wireless | — | Wi-Fi 7, Bluetooth 5.4 |