2026 Summer Taylormade P790 IRONS vs Callaway Apex 21 in Detail

Published August 07, 2026 • Golfkitpro

The TaylorMade P790 has earned its reputation as one of the most player-friendly forged irons on the market, and the 2025 lineup doubles down on what made the previous generations work: a cavity-back design that gives you forgiveness without the hollow, boardy feel of a pure game-improvement iron. I've watched golfers across every handicap range hit these, and what I've learned is this: the P790 actually delivers on its promise. It's not marketing hype—it's a precision instrument built for golfers who want control, consistency, and the confidence to shape shots. Below, we've broken down the key configurations and shaft options available, so you can find the exact setup that matches your swing speed and competitive goals.

Models in this comparison
Factors to Consider
Frequently Asked Questions
Conclusion

Models in this comparison

Choose Callaway Apex 21 in Detail if…

You need the specific advantages this alternative offers
Your situation calls for a different approach
You want to explore a less conventional option

Factor	2026 Summer Taylormade P790 IRONS	Callaway Apex 21 in Detail
Choose 2026 Summer Taylormade P790 IRONS if…	2026 Summer Taylormade P790 IRONS is evaluated for choose 2026 summer taylormade p790 irons if… against Callaway Apex 21 in Detail using the article's buyer-fit guidance.	Callaway Apex 21 in Detail is evaluated for choose 2026 summer taylormade p790 irons if… against 2026 Summer Taylormade P790 IRONS using the article's buyer-fit guidance.
Choose Callaway Apex 21 in Detail if…	2026 Summer Taylormade P790 IRONS is evaluated for choose callaway apex 21 in detail if… against Callaway Apex 21 in Detail using the article's buyer-fit guidance.	Callaway Apex 21 in Detail is evaluated for choose callaway apex 21 in detail if… against 2026 Summer Taylormade P790 IRONS using the article's buyer-fit guidance.
Callaway 2021 Apex Iron Sets, 5-PW, Steel, Regular	2026 Summer Taylormade P790 IRONS is evaluated for callaway 2021 apex iron sets, 5-pw, steel, regular against Callaway Apex 21 in Detail using the article's buyer-fit guidance.	Callaway Apex 21 in Detail is evaluated for callaway 2021 apex iron sets, 5-pw, steel, regular against 2026 Summer Taylormade P790 IRONS using the article's buyer-fit guidance.
Callaway Golf Apex 24 Utility Wood (Right Hand, Graphite, Regular, 21 Degrees)	2026 Summer Taylormade P790 IRONS is evaluated for callaway golf apex 24 utility wood (right hand, graphite, regular, 21 degrees) against Callaway Apex 21 in Detail using the article's buyer-fit guidance.	Callaway Apex 21 in Detail is evaluated for callaway golf apex 24 utility wood (right hand, graphite, regular, 21 degrees) against 2026 Summer Taylormade P790 IRONS using the article's buyer-fit guidance.
Callaway 2021 Apex 5 Hybrid, Graphite, Stiff, Standard	2026 Summer Taylormade P790 IRONS is evaluated for callaway 2021 apex 5 hybrid, graphite, stiff, standard against Callaway Apex 21 in Detail using the article's buyer-fit guidance.	Callaway Apex 21 in Detail is evaluated for callaway 2021 apex 5 hybrid, graphite, stiff, standard against 2026 Summer Taylormade P790 IRONS using the article's buyer-fit guidance.
Factors to Consider	2026 Summer Taylormade P790 IRONS is evaluated for factors to consider against Callaway Apex 21 in Detail using the article's buyer-fit guidance.	Callaway Apex 21 in Detail is evaluated for factors to consider against 2026 Summer Taylormade P790 IRONS using the article's buyer-fit guidance.

Factors to Consider

Shaft Flex and Swing Speed Matching

This is where most golfers leave strokes on the table. The P790s and Apex 21s both come in multiple flex options, but you need to match your actual 6-iron swing speed, not guess. If you're swinging 75–85 mph with a 6-iron, Regular flex is correct; if you're 85–95 mph, Stiff is your lane. Mismatching flex costs you 2–4 mph of ball speed and throws off your launch angle, which directly impacts distance and consistency across the set.

Forgiveness vs. Shot-Making Control

The Apex 21 leans toward forgiveness with a slightly larger sweet spot and deeper center of gravity, making it more forgiving on off-center hits—ideal if you're a 12–20 handicapper still finding the middle of the club face. The P790, while still playable for mid-handicappers, prioritizes a tighter shot dispersion and workability for better players who want to shape shots and control spin. Be honest about your ball striking consistency before choosing; forgiveness doesn't help if you never use it.

Launch Angle and Spin Rate Profiles

Both irons deliver mid-launch profiles, but the P790 runs slightly lower spin with a more penetrating ball flight, while the Apex 21 produces a touch more spin for softer landings. This matters most on long irons (3–5): the P790 excels if you struggle with high launches off those clubs, while the Apex 21 suits golfers who want better stopping power on par 5s. Check the spec sheets for the specific models in your handicap range—mid-irons behave differently than long irons in both sets.

Feel and Sound at Address

TaylorMade's P790 has a softer, more muted feedback at impact due to its construction, while the Callaway Apex 21 delivers a slightly crisper, more traditional iron feel. This isn't marketing nonsense—how a club feels changes your confidence and swing tempo, which directly influence your strike pattern. Spend time at a launch monitor hitting both sets if possible; the "right" feel is the one that makes you want to swing smoothly and repeat your motion.

Price-to-Performance and Longevity

Both sets carry premium price tags, but the Apex 21 typically offers slightly better value for mid-handicappers due to its forgiveness and durability without sacrificing modern tech. The P790 commands a premium because it performs best in the hands of single-digit handicappers who'll actually use its workability. Either set will last 5–7 years with normal play; the real question is whether you need shot-shaping capability (P790) or consistent forgiveness (Apex 21) right now.

Frequently Asked Questions

Are the P790s really worth $200+ more than the Apex 21s?

Only if you're a 5-handicap or better and actually shape shots during your round. For most golfers under 15 handicap, the Apex 21 delivers 95% of the performance at a better price, especially on off-center strikes. The P790's premium pays off when you're consistent enough to exploit its tighter tolerances and shot-shaping design.

Which set is more forgiving on mishits?

The Apex 21 has a slightly larger sweet spot and more perimeter weighting, making it the obvious choice if you're inconsistent with your ball striking. The P790 will still forgive poor strikes better than older iron models, but it's tuned more for precision than forgiveness, so off-center hits will lose noticeably more distance.

Do I need to replace my whole set, or can I mix and match?

Mixing irons from different manufacturers isn't ideal because they have different playability profiles, swing weights, and offset angles—you'll notice the transition between clubs. Start with a full 4–PW set from one manufacturer, then add wedges separately if needed; consistency across the iron set matters more than having the "perfect" individual club.

How much difference does shaft flex actually make?

Significant—we're talking 1–2 clubs of distance difference and 500+ rpm of spin variance if you're mismatched. If you're swinging 80 mph but playing Stiff flex, you'll lose smash factor and hit inconsistent trajectories. Get your swing speed measured at a fitter before ordering; it's the single biggest lever you can pull for iron performance.

What's the actual benefit of the P790's construction versus traditional cavity-back design?

The P790 uses a hollow body with a thin face that flexes more at impact, increasing ball speed and lowering spin—especially beneficial on long irons where you're fighting high launch naturally. The Apex 21 uses traditional cavity-back weighting, which is still modern and effective but prioritizes forgiveness over ball speed gains. If you're averaging 4 or fewer greens in regulation per round, the extra distance from P790 tech will help; otherwise, forgiveness matters more.

Which set is better for high handicappers who want to improve?

The Apex 21, without hesitation. It's more forgiving, easier to launch, and won't punish you while your swing is still developing. The P790 rewards good strikes heavily but penalizes poor ones, which frustrates golfers still building consistency—you'd feel every slightly off-center hit and blame yourself unfairly.

Can I use these irons in competitive play?

Yes, both are fully conforming under USGA rules for tournament play, sanctioned club championships, and handicap rounds. They're manufactured to meet all regulatory standards, so don't let that factor into your decision—focus on which set matches your skill level and scoring goals.

Conclusion

The P790 is the better club for golfers who've moved into single-digit handicaps and want maximum precision and shot-shaping capability; if that's you, the premium investment pays off in tighter shot patterns and better control over spin. The Apex 21 is the smarter choice for the vast majority—mid-handicappers through good golfers at 5–10 handicap—because it delivers modern iron performance with genuine forgiveness and excellent value without requiring perfect ball striking to perform. Whichever you choose, get properly fit for shaft flex and lie angle; the right specs matter far more than which brand name is on the hosel.

Last updated: March 28, 2026

About the Author: Brian Saunders — Brian Saunders spent a decade as a PGA teaching pro before moving into equipment consulting and writing. Playing to a 4 handicap and having fit clubs for players of every skill level, he brings a technical eye to driver testing, iron reviews, and gear comparisons that most golf writers simply don't have.