Rivos vs SiFive
Rivos vs SiFive, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Rivos is on 36/100 and SiFive on 66/100.
Where each one leads
Rivos
- agent readiness: 43/100 against 38/100
SiFive
- our overall score: 66/100 against 36/100
- domain rating: 70/100 against 53/100
At a glance
| Measure | Rivos | SiFive |
|---|---|---|
| What it is | Rivos is a semiconductor startup developing high-performance RISC-V based processors for data centers and AI workloads. | Designs and licenses RISC-V based custom processor cores and IP for diverse applications. |
| Category | AI Chip, AI Hardware, Semiconductor, Chip Design | AI Chip, AI Hardware, Chip Design, Semiconductor |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | Not published | 2015 |
| Headquarters | Santa Clara, United States | San Jose, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Rivos | SiFive |
|---|---|---|
| Employees | Not published | 505 |
| Total funding | $873M | $775M |
| Latest round | Seed | Series G |
| Valuation | $2K | $3.6B |
| LinkedIn followers | Not published | 64,744 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Rivos | SiFive |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 36/100 | 66/100 |
| Traction | 40/100 | 60/100 |
| Team | Not published | 50/100 |
| Search visibility | 8/100 | 29/100 |
| Quality | 45/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (43/100) | F (38/100) |
| Domain ratingLink authority, 0-100 | 53/100 | 70/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Rivos | SiFive |
|---|---|---|
| Hosting | Not detected | Heroku |
| Frameworks | Not detected | Next.js, Bootstrap |
| Open source | No | Yes |
What users say
| Measure | Rivos | SiFive |
|---|---|---|
| Reddit sentimentThreads we track | 0 positive, 1 negative across 1 thread | Not published |
“Apple CPU Gains Grind To A Halt And The Future Looks Dim As The Impact From The CPU Engineer Exodus To Nuvia And Rivos Starts To Bleed In.”r/hardware
Rivos vs SiFive: common questions
Which is better, Rivos or SiFive?
On our 0-100 score SiFive rates higher (66/100 against 36/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 16 data points above: read the rows that match what you are buying for.
How do Rivos and SiFive compare on the numbers?
Rivos leads on agent readiness (43/100 against 38/100). SiFive leads on our overall score (66/100 against 36/100), domain rating (70/100 against 53/100).
What do real users say about Rivos and SiFive?
Rivos: 0 positive and 1 negative mentions across 1 Reddit threads we track, mostly in r/hardware.
Read the full Rivos review and pricing or the SiFive review and pricing. You can also browse other Rivos alternatives we track.

