Dell PowerEdge XE8640 vs NVIDIA DGX A100
Side-by-side specifications from the vendors' own documents. The Dell PowerEdge XE8640 is an air-cooled 4U four-way GPU enterprise server purpose-built for artificial intelligence model development, fine-tuning, and enterprise machine learning workloads. The NVIDIA DGX A100 is a 6U eight-GPU training and inference server built around eight A100 SXM GPUs linked by six NVSwitches.
| Dell PowerEdge XE8640 | NVIDIA DGX A100 | |
|---|---|---|
| Brand | Dell | NVIDIA |
| Status | current | end-of-sale |
| Released | May 2023 | 2020 |
| Form factor | 4U rack | 6U rackmount |
| Cpu sockets | 2 | 2 |
| Cpu platform | Intel Xeon Scalable 4th and 5th Gen (up to 2 processors, 350W TDP) | 2x AMD EPYC 7742 (Rome), 64 cores each, 128 cores total |
| Memory slots | 32 | — |
| Memory type | DDR5-4800 / DDR5-5600 RDIMM | DDR4, 1 TB per 16 DIMMs |
| Memory max (GB) | 4,096 | 2,048 |
| Drive bays | Up to 8x 2.5-inch NVMe U.2 / U.3 or E3.S SSDs | 2x 1.92 TB NVMe M.2 (OS, RAID 1) plus NVMe U.2 SED data cache, 15 TB or 30 TB as shipped, upgradeable to 60 TB |
| Pcie slots | Up to 4 PCIe Gen5 slots | — |
| Gpu support | 4x air-cooled NVIDIA H100 SXM5 GPUs with NVLink (700W each) | 8x NVIDIA A100 with third-generation NVLink and six NVSwitches, in 320 GB or 640 GB GPU memory models |
| Network onboard | OCP 3.0 mezzanine slot; 1x 1GbE iDRAC9 port | ConnectX-6 or ConnectX-7 single-port InfiniBand cluster cards up to 200 Gb/s and dual-port 200GbE storage cards; up to 9 or 10 ports as shipped |
| Power supply | Quad hot-plug 2800W Titanium power supplies (2+2) | Six power supplies in 3+3 redundancy, 3000 W each at 200-240 V |
| Gpu memory (GB) | — | 640 |
| Weight kg | — | 123.16 |
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