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Live · checked today · 5 UK retailers tracked
Callaway Great BIG Bertha Driver — Generation Unknown vs Cobra King Radspeed Driver
Quick verdict
Checked daily across 5 UK retailers
Price and availability verdict
Callaway Great BIG Bertha Driver — Generation Unknown is currently £24.95 used, while Cobra King Radspeed Driver is currently £139.49 used. against tracked history, Callaway Great BIG Bertha Driver — Generation Unknown is 141% above its lowest tracked price and Cobra King Radspeed Driver is at its lowest tracked price. Callaway Great BIG Bertha Driver — Generation Unknown is currently available from 2 UK retailers, versus 3 for Cobra King Radspeed Driver.
Callaway
Great BIG Bertha Driver — Generation Unknown
£24.95 used No change at its low Buy £24.95 → at Affordable GolfCallaway
Great BIG Bertha Driver — Generation Unknown
£24.95 used
at Affordable Golf
Cobra
King Radspeed Driver
£139.49 used
↓ £5.46 7 days
at its lowat Golf Clubs 4 Cash
Deal intelligence
Should you buy now, or wait?
The Cobra King Radspeed Driver is at its lowest tracked price today. The Callaway Great BIG Bertha Driver — Generation Unknown has more room: its tracked low is £115.99.
Callaway · Great BIG Bertha Driver — Generation Unknown
Not enough data yet
Today £279 · typical £119.95 · lowest £115.99
Cobra · King Radspeed Driver
Not enough data yet
Today £139.49 · typical £149.95 · lowest £139.49
On sale 1 time in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new Great BIG Bertha Driver — Generation Unknown £24.95 vs £139.49
- Closest to its tracked low King Radspeed 0% above vs 141%
- Most retailers in stock King Radspeed 3 vs 2
- Cheapest used Great BIG Bertha Driver — Generation Unknown from £24.95 vs £139.49
Where to buy
5 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 · Great BIG Bertha Driver — Generation Unknown
↑ £160.01
since 9 April 2026
Lowest £115.99 on 14 April 2026
Cobra · King Radspeed Driver
↓ £139.51
since 13 February 2026
Lowest £139.49 on 22 July 2026
New vs used
From used listings we track
Callaway · Great BIG Bertha Driver — Generation Unknown
NEW £24.95
USED FROM £24.95
Cobra · King Radspeed Driver
NEW £139.49
USED FROM £139.49
Availability by build
Which configurations are in stock right now
| Build | Callaway Great BIG Bertha Driver — Generation Unknown | Cobra King Radspeed Driver |
|---|---|---|
| Stiff · 9° · Left-hand · Used | — | 2 retailers · from £139.49 at Golf Clubs 4 Cash → |
| Stiff · 9° · Used | 1 retailer · from £109.99 at UK Used Golf Clubs → | — |
| Uniflex · 9° · Used | 1 retailer · from £24.95 at Affordable Golf → | — |
| Extra Stiff · 10.5° · Used | — | 1 retailer · from £149.99 at The Second Hand Golf Shop → |
| Stiff · 10.5° · Used | — | 1 retailer · from £167.95 at Replay Golf → |
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Common questions about the Callaway Great BIG Bertha Driver — Generation Unknown vs Cobra King Radspeed Driver
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.