Compare / hybrid
Live · checked today · 1 UK retailers tracked
Callaway BIG Bertha Alpha 815 Hybrid vs Callaway X Prototype Hybrid
Quick verdict
Checked daily across 1 UK retailers
Price and availability verdict
Callaway BIG Bertha Alpha 815 Hybrid is currently £89.95 used, while Callaway X Prototype Hybrid is currently £64.95 used. against tracked history, Callaway BIG Bertha Alpha 815 Hybrid is at its lowest tracked price and Callaway X Prototype Hybrid is at its lowest tracked price. Both are currently available from 1 UK retailer.
Callaway
BIG Bertha Alpha 815 Hybrid
£89.95 used
↓ £30 7 days
11% below usualat Replay Golf
Deal intelligence
Should you buy now, or wait?
Both are at their lowest tracked prices today.
Callaway · BIG Bertha Alpha 815 Hybrid
Not enough data yet
Today £89.95 · typical £119.95 · lowest £89.95
On sale 1 time in the last 3 months
Callaway · X Prototype Hybrid
Not enough data yet
Today £64.95 · typical £64.95 · lowest £64.95
Head to head
Category leaders, from the data on this page
- Cheapest new X Prototype £64.95 vs £89.95
- Cheapest used X Prototype from £64.95 vs £89.95
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha Alpha 815 Hybrid | Callaway X Prototype Hybrid |
|---|---|---|
| Release year | 2020 | 2021 |
Where to buy
1 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 Alpha 815 Hybrid
↓ £30
since 9 April 2026
Lowest £89.95 on 12 April 2026
New vs used
From used listings we track
Callaway · BIG Bertha Alpha 815 Hybrid
NEW £89.95
USED FROM £89.95
Callaway · X Prototype Hybrid
NEW £64.95
USED FROM £64.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha Alpha 815 Hybrid | Callaway X Prototype Hybrid |
|---|---|---|
| Extra Stiff · 20° · Used | 1 retailer · from £119.95 at Replay Golf → | — |
| Regular · Used | 1 retailer · from £89.95 at Replay Golf → | — |
| Stiff · 18° · Used | 1 retailer · from £89.95 at Replay Golf → | — |
| Extra Stiff · 21° · Used | — | 1 retailer · from £64.95 at Replay Golf → |
| Stiff · 21° · Used | — | 1 retailer · from £79.95 at Replay Golf → |
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Common questions about the Callaway BIG Bertha Alpha 815 Hybrid vs Callaway X Prototype 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.