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Side-by-side financial comparison of CarParts.com, Inc. (PRTS) and RAMBUS INC (RMBS). Click either name above to swap in a different company.
RAMBUS INC is the larger business by last-quarter revenue ($180.2M vs $120.4M, roughly 1.5× CarParts.com, Inc.). RAMBUS INC runs the higher net margin — 33.2% vs -9.6%, a 42.8% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -9.8%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs -8.6%).
Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...
Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.
PRTS vs RMBS — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $120.4M | $180.2M |
| Net Profit | $-11.6M | $59.9M |
| Gross Margin | 33.2% | 79.7% |
| Operating Margin | — | 34.3% |
| Net Margin | -9.6% | 33.2% |
| Revenue YoY | -9.8% | 8.1% |
| Net Profit YoY | 25.0% | -7.3% |
| EPS (diluted) | $-0.82 | $0.55 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | — | $180.2M | ||
| Q4 25 | $120.4M | $190.2M | ||
| Q3 25 | $127.8M | $178.5M | ||
| Q2 25 | $151.9M | $172.2M | ||
| Q1 25 | $147.4M | $166.7M | ||
| Q4 24 | $133.5M | $161.1M | ||
| Q3 24 | $144.8M | $145.5M | ||
| Q2 24 | $144.3M | $132.1M |
| Q1 26 | — | $59.9M | ||
| Q4 25 | $-11.6M | $63.8M | ||
| Q3 25 | $-10.9M | $48.4M | ||
| Q2 25 | $-12.7M | $57.9M | ||
| Q1 25 | $-15.3M | $60.3M | ||
| Q4 24 | $-15.4M | $62.2M | ||
| Q3 24 | $-10.0M | $48.7M | ||
| Q2 24 | $-8.7M | $36.1M |
| Q1 26 | — | 79.7% | ||
| Q4 25 | 33.2% | 78.9% | ||
| Q3 25 | 33.1% | 79.5% | ||
| Q2 25 | 32.8% | 79.8% | ||
| Q1 25 | 32.1% | 80.3% | ||
| Q4 24 | 32.5% | 80.4% | ||
| Q3 24 | 35.2% | 80.7% | ||
| Q2 24 | 33.5% | 79.7% |
| Q1 26 | — | 34.3% | ||
| Q4 25 | — | 37.2% | ||
| Q3 25 | -7.9% | 35.4% | ||
| Q2 25 | -8.2% | 36.6% | ||
| Q1 25 | -10.3% | 37.9% | ||
| Q4 24 | -11.6% | 35.9% | ||
| Q3 24 | -6.9% | 37.6% | ||
| Q2 24 | -6.0% | 30.5% |
| Q1 26 | — | 33.2% | ||
| Q4 25 | -9.6% | 33.6% | ||
| Q3 25 | -8.5% | 27.1% | ||
| Q2 25 | -8.4% | 33.6% | ||
| Q1 25 | -10.4% | 36.2% | ||
| Q4 24 | -11.5% | 38.6% | ||
| Q3 24 | -6.9% | 33.4% | ||
| Q2 24 | -6.0% | 27.3% |
| Q1 26 | — | $0.55 | ||
| Q4 25 | $-0.82 | $0.58 | ||
| Q3 25 | $-0.19 | $0.44 | ||
| Q2 25 | $-0.23 | $0.53 | ||
| Q1 25 | $-0.27 | $0.56 | ||
| Q4 24 | $-0.28 | $0.57 | ||
| Q3 24 | $-0.17 | $0.45 | ||
| Q2 24 | $-0.15 | $0.33 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $25.8M | $134.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $53.5M | — |
| Total Assets | $184.9M | $1.5B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $134.3M | ||
| Q4 25 | $25.8M | $182.8M | ||
| Q3 25 | — | $79.2M | ||
| Q2 25 | — | $87.8M | ||
| Q1 25 | — | $132.2M | ||
| Q4 24 | — | $99.8M | ||
| Q3 24 | — | $114.0M | ||
| Q2 24 | — | $124.6M |
| Q1 26 | — | — | ||
| Q4 25 | $53.5M | $1.4B | ||
| Q3 25 | $64.2M | $1.3B | ||
| Q2 25 | $62.4M | $1.2B | ||
| Q1 25 | $72.8M | $1.2B | ||
| Q4 24 | $85.2M | $1.1B | ||
| Q3 24 | $97.2M | $1.0B | ||
| Q2 24 | $103.9M | $1.0B |
| Q1 26 | — | $1.5B | ||
| Q4 25 | $184.9M | $1.5B | ||
| Q3 25 | $200.3M | $1.4B | ||
| Q2 25 | $189.6M | $1.5B | ||
| Q1 25 | $216.5M | $1.4B | ||
| Q4 24 | $210.6M | $1.3B | ||
| Q3 24 | $227.6M | $1.3B | ||
| Q2 24 | $238.0M | $1.3B |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
PRTS
Segment breakdown not available.
RMBS
| Product revenue | $88.0M | 49% |
| Royalties | $69.6M | 39% |
| Contract and other revenue | $22.6M | 13% |
