Comparison
Sémillon vs Sauvignon Blanc
The two halves of white Bordeaux — what does each contribute?
The short answer
The main differences: Sauvignon Blanc has more aromatic intensity; Sauvignon Blanc has more herbal / green character; Sémillon has more sweetness.
Choose
Sauvignon Blanc
Choose Sauvignon Blanc if you want something more aromatic, more herbal and green, fresher.
Where they genuinely differ
Only differences large enough to notice in the glass are listed here. A gap of half a point on a five-point scale is noise, and WineHQ does not dress it up as a finding.
Aromatic intensity
Clear differenceHow strongly the wine smells before it is tasted. Some grapes are intrinsically aromatic; others express mainly on the palate.
Sauvignon Blanc is more aromatic: high against low-medium.
Herbal / green character
Clear differenceHerbs, grass, blackcurrant leaf, capsicum and other green notes, largely driven by methoxypyrazines and picking decisions.
Sauvignon Blanc is more herbal and green: medium-plus against low.
Sweetness
Clear differencePerceived sugar in the finished wine, driven mainly by residual sugar but modified by acidity, alcohol and fruit ripeness.
Sémillon is sweeter: medium against low.
Perceived freshness
Clear differenceThe overall impression of liveliness — a composite of acidity, alcohol balance, fruit character and the absence of tiredness. Distinct from raw acidity: a wine can be high in acid yet taste heavy.
Sauvignon Blanc is fresher: high against medium.
Texture
Clear differenceMouthfeel independent of weight — from lean and cutting through to creamy, waxy or velvety. Driven by lees contact, malolactic conversion, skin contact and ageing.
Sémillon is rounder and creamier in texture: medium-plus against low-medium.
Acidity
Clear differenceTotal perceived acidity. Rises in cooler climates and with earlier picking; falls with heat and ripeness.
Sauvignon Blanc is fresher and more acidic: high against medium-plus.
Where they are much the same
Just as useful: knowing which parts of the choice do not matter.
- Tannin: Similar — both low.
- Alcohol: Similar — both medium.
- Body: Similar — both medium.
- Spice: Similar — both low.
- Earthy character: Similar — both low.
Full side by side
| Dimension | Sémillon | Sauvignon Blanc |
|---|---|---|
| Aromatic intensity | typically low-medium, ranging from low to medium (2/5) | typically high, ranging from medium-plus to high (5/5) |
| Herbal / green character | low (1/5) | typically medium-plus, ranging from medium to high (4/5) |
| Sweetness | typically medium, ranging from low to high (3/5) | typically low, ranging from low to low-medium (1/5) |
| Perceived freshness | typically medium, ranging from low-medium to medium-plus (3/5) | typically high, ranging from medium-plus to high (5/5) |
| Texture | typically medium-plus, ranging from medium to high (4/5) | typically low-medium, ranging from low to medium (2/5) |
| Acidity | typically medium-plus, ranging from low-medium to high (4/5) | typically high, ranging from medium-plus to high (5/5) |
| Fruit intensity | typically medium, ranging from low-medium to medium-plus (3/5) | typically medium-plus, ranging from medium to high (4/5) |
| Oak influence | typically medium, ranging from low to medium-plus (3/5) | typically low-medium, ranging from low to medium (2/5) |
| Savoury character | typically medium, ranging from low-medium to medium-plus (3/5) | typically low-medium, ranging from low to medium (2/5) |
| Floral character | low (1/5) | typically low-medium, ranging from low to medium (2/5) |
| Tannin | low (1/5) | low (1/5) |
| Alcohol | typically medium, ranging from low-medium to medium-plus (3/5) | typically medium, ranging from low-medium to medium-plus (3/5) |
| Body | typically medium, ranging from low-medium to medium-plus (3/5) | typically medium, ranging from low-medium to medium (3/5) |
| Spice | low (1/5) | low (1/5) |
| Earthy character | low (1/5) | low (1/5) |
| Carbonation | low (1/5) | low (1/5) |
| Serve at | 11–14°C | 9–12°C |
| Typical flavours | lemon, lanolin, beeswax, honey, toast | gooseberry, grapefruit, passionfruit, cut grass, green bell pepper |
Values are typical points within each wine’s range. Both wines vary — see the individual pages for how much.
Read more
Grape
Sémillon
A thin-skinned, botrytis-prone variety essential to Sauternes and to a unique long-lived dry style in the Hunter Valley.
Grape
Sauvignon Blanc
A pungently aromatic variety whose character swings from flinty and restrained in the Loire to explosively tropical in Marlborough.
Comparison
Sauvignon Blanc vs Chardonnay
The two most popular white grapes — which is crisper, and which is richer?
Comparison
Sauvignon Blanc vs Pinot Grigio
Two easy-drinking whites — which is more aromatic, and which is more neutral?
Comparison
Riesling vs Sauvignon Blanc
Two aromatic whites that pull in opposite directions on sweetness and on herbaceousness. Which is the more versatile at the table, and when is each right?