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AMBA or AMKR or TSEM
Which Stock Would AI Choose? Ambarella (AMBA) vs. Amkor Technology (AMKR) vs. Tower Semiconductor (TSEM) Stock Comparison
Key Takeaways
- AMKR leads with explosive YTD gains over 94%, driven by record Q1 revenue of $1.69B and AI packaging demand, outpacing peers.
- TSEM delivers massive 486% one-year returns, fueled by analog foundry strength in AI, defense, and silicon photonics.
- AMBA shows solid 44% annual gains with edge AI focus, but trails in recent momentum amid sector volatility.
- All three benefit from semiconductor AI tailwinds, yet AMKR and TSEM exhibit stronger relative performance near 52-week highs.
- Risk factors include cyclical semis exposure, with TSEM facing geopolitical sensitivities and AMBA profitability challenges.
- Tickeron AI favors AMKR for trend consistency and catalysts in advanced packaging.
Introduction
This comparison examines AMBA, AMKR, and TSEM, three semiconductor firms riding the AI wave. AMBA designs edge AI chips, AMKR provides outsourced packaging and testing (OSAT), and TSEM operates as a specialty foundry. Traders seeking exposure to AI infrastructure—spanning vision processing, high-density packaging, and analog ICs—will find value in analyzing their recent momentum, growth drivers, and sector positioning amid booming demand for advanced chips.
AMBA Overview and Recent Performance
Ambarella (AMBA), a fabless designer of low-power system-on-chip (SoC) semiconductors, specializes in edge AI for video processing, computer vision, and intelligent automation in security cameras, automotive systems, and drones. In recent market activity, AMBA shares have risen about 44% over the past year, with a 45% monthly surge reflecting AI adoption. Trading around $76, the stock hit a 52-week high near $97 before consolidating. Sentiment has been buoyed by Q4 revenue beats at $100.9M and guidance for 10-15% fiscal 2027 growth in edge AI, though profitability remains challenged by R&D investments. Broader semis momentum supports AMBA, tempered by competition in vision SoCs.
AMKR Overview and Recent Performance
Amkor Technology (AMKR), a leading OSAT provider, offers packaging and testing for semiconductors in AI, automotive, and computing. Recent weeks saw AMKR deliver record Q1 2026 revenue of $1.69B, up 27% year-over-year, with EPS of $0.33 beating estimates. Shares, around $77, have soared 322% annually and 94% YTD, approaching 52-week highs near $79. A $300M buyback and upbeat Q2 guidance for $1.75-1.85B sales underscore AI-driven advanced packaging demand, including high-bandwidth memory (HBM). Arizona facility ramps introduce short-term margin pressure, but strong end-market visibility drives positive sentiment.
TSEM Overview and Recent Performance
Tower Semiconductor (TSEM), an independent foundry, delivers customizable processes like SiGe, RF CMOS, and power management for analog/mixed-signal ICs in automotive, aerospace, and AI data centers. Shares near $211 have exploded 486% over the past year and 75% YTD, with recent peaks at $233 amid silicon photonics milestones and U.S. defense radar partnerships. Trading volumes spiked on AI chip enthusiasm and S&P credit outlook upgrade to positive. Q1 results due soon highlight capacity expansions, though geopolitical risks in Israel weigh on sentiment. Foundry utilization and custom tech demand propel relative outperformance.
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Head-to-Head Comparison
AMBA’s fabless edge AI design contrasts AMKR’s OSAT packaging and TSEM’s foundry manufacturing, creating complementary roles in the AI supply chain. Growth drivers center on AI: AMBA via vision SoCs, AMKR through HBM/2.5D packaging, TSEM in photonics/power ICs. Recent momentum favors AMKR (94% YTD) and TSEM (75% YTD) over AMBA’s 8%. Risks include semis cyclicality, TSEM’s geopolitical exposure, and AMBA’s losses. All share heavy sector ties, but AMKR’s lower P/E (~40) offers valuation appeal versus TSEM’s 109. Sentiment tilts to packaging/foundry stability amid supply constraints.
Tickeron AI Verdict
Tickeron’s AI currently favors AMKR, citing superior trend consistency, record earnings momentum, and pivotal AI packaging catalysts positioning it ahead probabilistically. While TSEM excels in foundry growth and AMBA in edge innovation, AMKR’s relative stability and outperformance enhance its appeal in the current environment.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer. Disclaimers and Limitations
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
AMBA’s FA Score shows that 1 FA rating(s) are green whileAMKR’s FA Score has 2 green FA rating(s), and TSEM’s FA Score reflects 2 green FA rating(s).
- AMBA’s FA Score: 1 green, 4 red.
- AMKR’s FA Score: 2 green, 3 red.
- TSEM’s FA Score: 2 green, 3 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
AMBA’s TA Score shows that 2 TA indicator(s) are bullish while AMKR’s TA Score has 5 bullish TA indicator(s), and TSEM’s TA Score reflects 5 bullish TA indicator(s).
- AMBA’s TA Score: 2 bullish, 8 bearish.
- AMKR’s TA Score: 5 bullish, 4 bearish.
- TSEM’s TA Score: 5 bullish, 4 bearish.
Price Growth
AMBA (@Electronic Production Equipment) experienced а -2.44% price change this week, while AMKR (@Electronic Production Equipment) price change was +0.20% , and TSEM (@Semiconductors) price fluctuated +5.30% for the same time period.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -0.08%. For the same industry, the average monthly price growth was +8.47%, and the average quarterly price growth was +128.49%.
The average weekly price growth across all stocks in the @Semiconductors industry was -0.06%. For the same industry, the average monthly price growth was -2.25%, and the average quarterly price growth was +92.80%.
Reported Earning Dates
AMBA is expected to report earnings on Sep 01, 2026.
AMKR is expected to report earnings on Aug 03, 2026.
TSEM is expected to report earnings on Aug 04, 2026.
Industries' Descriptions
@Electronic Production Equipment (-0.08% weekly)The electronic production equipment industry makes equipment used to produce semiconductors. Such equipment includes wafer fabrication, plasma etching and photo-resist processing equipment. The industry also makes chemical vapor deposition processing systems and photomasks, which are high-purity quartz plates that contain patterns to define integrated circuits layouts. Applied Materials, Inc., Lam Research Corporation, and KLA-Tencor Corporation are examples of electronic production equipment manufacturing companies.
@Semiconductors (-0.06% weekly)The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.
| AMBA | AMKR | TSEM | |
| Capitalization | 2.87B | 21.5B | 33.1B |
| EBITDA | -50.87M | 1.25B | 588M |
| Gain YTD | -7.566 | 120.320 | 140.802 |
| P/E Ratio | N/A | 53.76 | 146.69 |
| Revenue | 405M | 7.07B | 1.62B |
| Total Cash | 278M | 1.85B | 1.5B |
| Total Debt | 13.3M | 1.52B | 156M |
AMBA | AMKR | TSEM | ||
|---|---|---|---|---|
OUTLOOK RATING 1..100 | 70 | 27 | 24 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 81 Overvalued | 49 Fair valued | 87 Overvalued | |
PROFIT vs RISK RATING 1..100 | 100 | 18 | 5 | |
SMR RATING 1..100 | 95 | 72 | 77 | |
PRICE GROWTH RATING 1..100 | 51 | 34 | 34 | |
P/E GROWTH RATING 1..100 | 2 | 5 | 2 | |
SEASONALITY SCORE 1..100 | 50 | 50 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
AMKR's Valuation (49) in the Semiconductors industry is in the same range as AMBA (81) and is somewhat better than the same rating for TSEM (87). This means that AMKR's stock grew similarly to AMBA’s and somewhat faster than TSEM’s over the last 12 months.
TSEM's Profit vs Risk Rating (5) in the Semiconductors industry is in the same range as AMKR (18) and is significantly better than the same rating for AMBA (100). This means that TSEM's stock grew similarly to AMKR’s and significantly faster than AMBA’s over the last 12 months.
AMKR's SMR Rating (72) in the Semiconductors industry is in the same range as TSEM (77) and is in the same range as AMBA (95). This means that AMKR's stock grew similarly to TSEM’s and similarly to AMBA’s over the last 12 months.
AMKR's Price Growth Rating (34) in the Semiconductors industry is in the same range as TSEM (34) and is in the same range as AMBA (51). This means that AMKR's stock grew similarly to TSEM’s and similarly to AMBA’s over the last 12 months.
TSEM's P/E Growth Rating (2) in the Semiconductors industry is in the same range as AMBA (2) and is in the same range as AMKR (5). This means that TSEM's stock grew similarly to AMBA’s and similarly to AMKR’s over the last 12 months.
| AMBA | AMKR | TSEM | |
|---|---|---|---|
| RSI ODDS (%) | 1 day ago 66% | 1 day ago 70% | 1 day ago 64% |
| Stochastic ODDS (%) | 1 day ago 73% | 1 day ago 74% | 1 day ago 56% |
| Momentum ODDS (%) | 1 day ago 79% | 1 day ago 67% | 1 day ago 79% |
| MACD ODDS (%) | 1 day ago 76% | 1 day ago 75% | 1 day ago 72% |
| TrendWeek ODDS (%) | 1 day ago 79% | 1 day ago 74% | 1 day ago 59% |
| TrendMonth ODDS (%) | 1 day ago 79% | 1 day ago 78% | 1 day ago 77% |
| Advances ODDS (%) | 3 days ago 76% | 3 days ago 74% | 3 days ago 69% |
| Declines ODDS (%) | 8 days ago 80% | 20 days ago 71% | 8 days ago 61% |
| BollingerBands ODDS (%) | 1 day ago 88% | 1 day ago 71% | 1 day ago 62% |
| Aroon ODDS (%) | 1 day ago 77% | 1 day ago 74% | 1 day ago 82% |
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AMBA and
Correlation & Price change
A.I.dvisor indicates that over the last year, AMBA has been closely correlated with ADI. These tickers have moved in lockstep 68% of the time. This A.I.-generated data suggests there is a high statistical probability that if AMBA jumps, then ADI could also see price increases.
| Ticker / NAME | Correlation To AMBA | 1D Price Change % | ||
|---|---|---|---|---|
| AMBA | 100% | -7.40% | ||
| ADI - AMBA | 68% Closely correlated | -8.58% | ||
| RMBS - AMBA | 68% Closely correlated | -8.59% | ||
| NXPI - AMBA | 65% Loosely correlated | -7.21% | ||
| MTSI - AMBA | 65% Loosely correlated | -6.08% | ||
| SLAB - AMBA | 65% Loosely correlated | -0.48% | ||
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AMKR and
Correlation & Price change
A.I.dvisor indicates that over the last year, AMKR has been closely correlated with RMBS. These tickers have moved in lockstep 79% of the time. This A.I.-generated data suggests there is a high statistical probability that if AMKR jumps, then RMBS could also see price increases.
| Ticker / NAME | Correlation To AMKR | 1D Price Change % | ||
|---|---|---|---|---|
| AMKR | 100% | -7.30% | ||
| RMBS - AMKR | 79% Closely correlated | -8.59% | ||
| AMAT - AMKR | 74% Closely correlated | -8.48% | ||
| MPWR - AMKR | 74% Closely correlated | -7.42% | ||
| LSCC - AMKR | 73% Closely correlated | -6.78% | ||
| ADI - AMKR | 73% Closely correlated | -8.58% | ||
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TSEM and
Correlation & Price change
A.I.dvisor indicates that over the last year, TSEM has been loosely correlated with AMKR. These tickers have moved in lockstep 61% of the time. This A.I.-generated data suggests there is some statistical probability that if TSEM jumps, then AMKR could also see price increases.
| Ticker / NAME | Correlation To TSEM | 1D Price Change % | ||
|---|---|---|---|---|
| TSEM | 100% | -10.76% | ||
| AMKR - TSEM | 61% Loosely correlated | -7.30% | ||
| AMBA - TSEM | 60% Loosely correlated | -7.40% | ||
| MTSI - TSEM | 60% Loosely correlated | -6.08% | ||
| KLIC - TSEM | 60% Loosely correlated | +2.32% | ||
| KLAC - TSEM | 60% Loosely correlated | -9.17% | ||
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