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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteAMD gained ground on Intel in several Q4 2025 x86 CPU shipment estimates, but the available figures do not verify a full-year claim that AMD captured “17% more” market share while Intel declined by 10%. Mercury Research estimates reported by Tom’s Hardware put AMD at 29.2% of x86 CPU unit shipments in Q4; that is a quarterly snapshot, not a 2025 annual average.
How much CPU market share did AMD gain in 2025?
The figures available here show AMD’s share at particular points in 2025, not an annual average. For Q4 2025, Mercury Research estimated AMD’s overall x86 CPU unit share at 29.2%, as reported by Tom’s Hardware. The figure describes the share of units shipped in that quarter; it does not establish that AMD gained 17% across the full year.
For context, Tom’s Hardware reported AMD’s Q3 2025 unit shares as 33.6% in desktop, 21.9% in mobile, and 27.8% in server CPUs, based on Mercury Research estimates. Those segment figures provide a quarter-to-quarter comparison, but they are not a full-year result and should not be mistaken for one overall market-share figure. Tom’s Hardware’s Q3 report gives the segment breakdown.
Did AMD take market share from Intel?
In the Q4 estimates, AMD held a larger share of x86 CPU shipments than in some earlier reported comparisons, while Intel remained the majority supplier in every listed segment. AMD’s Q4 share was strongest in desktop and lower in mobile. The figures support a statement that AMD gained ground in selected measures and periods; they do not support saying Intel’s share declined by 10% across 2025 without specifying the market, metric, and comparison interval.
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Mercury Research president Dean McCarron said AMD’s shipments “significantly outgrew Intel’s, both sequentially and on year, resulting in strong share increases by both measures,” in comments quoted by PCWorld on February 12, 2026. The cited scope excludes SoCs. This describes shipment growth and share changes in the reported period, rather than a verified full-year 2025 comparison.
What do the Q4 2025 estimates show by CPU segment?
These are Mercury Research estimates reported by Tom’s Hardware. Unit share means the estimated proportion of CPUs shipped in the specified market segment, not the proportion of revenue.
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| Segment or measure | AMD | Intel | Qualification |
|---|---|---|---|
| Overall x86 CPU unit shipments | 29.2% | About 70.8% | Q4 2025 estimate; the Intel figure is reported for client CPU shipments. |
| Desktop CPU unit shipments | 36.4% | 63.6% | Q4 2025 estimate; AMD’s share was up 9.5 percentage points year over year. |
| Mobile CPU unit shipments | 26.0% | 74.0% | Q4 2025 estimate. |
| x86 server CPU unit shipments | 28.8% | 71.2% | Q4 2025 estimate; Intel comparison excludes Hygon Dhyana. |
| Overall x86 CPU revenue | 35.4% | Not stated in the cited report | Q4 2025 estimate; revenue share is not unit share. |
| Desktop CPU revenue | 42.6% | Not stated in the cited report | Q4 2025 estimate; AMD’s desktop unit share was 36.4%. |
The Q4 figures come from Tom’s Hardware’s report of Mercury Research estimates. The desktop year-over-year gain is 9.5 percentage points, not a 17-point increase. A percentage-point change is the subtraction of two share percentages; a relative percentage change compares the change with the earlier value. Those are different calculations, so “17% more” needs a defined baseline and measure before it can be checked.
Are market-share figures based on units or revenue?
They can be based on either, and the result changes with the measure. AMD’s Q4 2025 estimated x86 unit share was 29.2%, while its estimated share of x86 CPU revenue was 35.4%. In desktop CPUs, the corresponding figures were 36.4% of units and 42.6% of revenue. Revenue share reflects the value of sales as well as volume; it should not be substituted for unit share or described simply as more CPUs shipped.
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What does the 2025 headline leave unspecified?
A claim that AMD gained 17% and Intel lost 10% cannot be assessed without knowing what each percentage refers to. At minimum, it needs to identify:
- Market: x86 CPUs, rather than all processors across architectures, and whether embedded, IoT, or SoC products are included.
- Measure: unit shipments or revenue.
- Segments: desktop, mobile, server, or a defined combined market.
- Period: annual average, Q4 year over year, sequential quarter, or another comparison.
- Method and source: the analyst’s market definition and estimation approach.
The reporting relays Mercury Research estimates rather than providing a directly accessible primary release with the full underlying tables. Other researchers also reported somewhat different overall market-growth estimates, so market definitions and methods matter when comparing numbers. The cited figures therefore establish the reported Q4 estimates, not the headline’s unspecified annual changes.
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Why did AMD’s share rise in the reported quarter?
The coverage attributes some of the Q4 movement to Intel client CPU supply constraints and capacity allocation toward server products. Mercury Research said AMD shipments grew faster than Intel’s in client segments. McCarron also said Intel’s capacity reallocation hit mobile client shipments particularly hard, producing sequential and year-over-year declines well below seasonal norms for what is typically an up quarter, as quoted by PCWorld.
That is an explanation attributed to the analyst and reporting, not proof that supply constraints alone caused the share changes. The estimates show the outcome for the quarter; they do not isolate the effect of each supply, product, or demand factor.
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