arista 7050X 7050SX3-48YC8 vs juniper QFX Series QFX5120-48Y
Side-by-side specifications from the vendors' own documents. The Arista 7050SX3-48YC8 is a modern 1U top-of-rack datacenter switch built on the Broadcom Trident 3 switching engine. The Juniper QFX5120-48Y is a high-speed 1U datacenter top-of-rack leaf switch delivering 48 ports of 10G/25G SFP28 and 8 ports of 40G/100G QSFP28 uplinks.
| arista 7050X 7050SX3-48YC8 | juniper QFX Series QFX5120-48Y | |
|---|---|---|
| Brand | arista | juniper |
| Status | current | current |
| Released | Aug 2018 | Jun 2018 |
| Form factor | 1U fixed switch | 1U fixed switch |
| Downlink ports | 48x 10G/25G SFP28 optical/copper ports | — |
| Uplink ports | 8x 40G/100G QSFP28 ports | — |
| Switching throughput | 4.0 Tbps / 2.0 Bpps forwarding capacity | — |
| Latency | Cut-through switching from 800 nanoseconds | — |
| Packet buffer | 32MB fully shared packet buffer architecture | — |
| Datacenter features | EVPN-VXLAN, RoCEv2, PFC, ECN, and sFlow | — |
| Ports | — | 48x 10G/25G SFP28 and 8x 40G/100G QSFP28 uplinks |
| Switching capacity | — | 4 Tbps / 2.97 Bpps forwarding capacity |
| Silicon | — | Broadcom Trident 3 programmable datacenter packet processing silicon |
| Overlays | — | Hardware-accelerated EVPN-VXLAN Layer 2/Layer 3 gateway and DCI functionality |
| Telemetry | — | Comprehensive Junos telemetry streaming, Python on-box scripting, and open APIs |
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