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Live · checked today · 2 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs XXIO X Black Hybrid
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £84.95 used, while XXIO X Black Hybrid is currently £101.95 used. Against tracked history, Callaway BIG Bertha B21 Hybrid is at its lowest tracked price and XXIO X Black Hybrid is 6% above its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 1 for XXIO X Black Hybrid.
Deal intelligence
Should you buy now, or wait?
The Callaway BIG Bertha B21 Hybrid is at its lowest tracked price today. The XXIO X Black Hybrid has more room: its tracked low is £119.95.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £84.95 · typical £97.45 · lowest £84.95
On sale 1 time in the last 3 months
XXIO · X Black Hybrid
Not enough data yet
Today £126.95 · typical £119.95 · lowest £119.95
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £84.95 vs £126.95
- Closest to its tracked low BIG Bertha B21 0% above vs 6%
- Most retailers in stock BIG Bertha B21 2 vs 1
- Cheapest used BIG Bertha B21 from £84.95 vs £101.95
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha B21 Hybrid | XXIO X Black Hybrid |
|---|---|---|
| Release year | 2021 | 2020 |
Where to buy
2 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Callaway · BIG Bertha B21 Hybrid
↓ £35
since 13 April 2026
Lowest £84.95 on 18 August 2026
XXIO · X Black Hybrid
↓ £13
since 9 April 2026
Lowest £119.95 on 12 July 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £84.95
USED FROM £84.95
XXIO · X Black Hybrid
NEW £126.95
USED FROM £101.95
Used prices average 83% of new · 2 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | XXIO X Black Hybrid |
|---|---|---|
| Regular · 19° · Left-hand · Used | 1 retailer · from £84.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Stiff · 18° | — | 1 retailer · from £126.95 at Replay Golf → |
| Stiff · 18° · Used | — | 1 retailer · from £101.95 at Replay Golf → |
| Stiff · 20° · Used | — | 1 retailer · from £108.95 at Replay Golf → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs XXIO X Black Hybrid
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.