Mizuno JPX 850 vs 900 Hot Metal: Comparing Golf Irons

Mizuno is one of the most recognized brands for manufacturing world-class golf clubs. With a great lineup of irons, the Mizuno JPX 850 and Mizuno JPX 900 Hot Metal are among the top choices. But which one is better and what are the differences between them?

Well, despite being two different series of irons, the differences between Mizuno JPX 850 and Mizuno JPX 900 Hot Metal aren’t many. But, the main difference between them would be a slight change in looks and a little upgrade in performance.

However, these are not the only distinctions between them. To get a broader insight and knowledge about the comparisons between these two irons, stick around with this write-up.

Overview of the Mizuno JPX 850 Golf Iron

The Mizuno JPX 850 is made for covering large distances for players in the mid to high handicap range. But distance is not its only quality. A key factor in this iron is the Power Frame Design.

A spring-like action is produced by the Coefficient of Restitution, or COR, which is increased thanks to the Power Frame architecture, which also makes the head slightly larger. Its sole is also designed to enhance the interaction with turf for consistent ball striking.

Overview Of Mizuno JPX 900 Hot Metal Golf Iron

The JPX 900 Hot Metal is forged with Mizuno’s new metal technology called Chromoly, which provides the bendability of iron and very high ball speeds. Comes with an ultra-thin face that is 15% tougher than stainless steel.

The forgiveness on this iron is surprisingly high. It is best suited for players with higher handicaps and is also beginner-friendly. The ball flight is more than expected.

Mizuno JPX 850 Vs 900 Hot Metal: Comparison Chart

To understand which club will be better for you, you have to know the comparison of specifications between the two. The JPX 850 and JPX 900 Hot Metal are compared in the chart below.

CriteriaMizuno JPX 850Mizuno Jpx 900 Hot Metal
MaterialSteelChromoly 4140M
Hitting DistanceLowerHigher
Length38.25” – 35.25”(depending on the club)38.25”-35.25”(depending on the club)
Offset0.230” – 0.130”(depending on the club)0.230” – 0.118”(depending on the club)
Ball SpeedLower Higher
ForgivenessLower Higher
Right/Left HandBothBoth
SoundLess clickyMore clicky
Turf InteractionLess ComfortableMore Comfortable

What Are The Differences Between Mizuno Jpx 850 And 900 Hot Metal?

From the above chart, you already have a quick idea on the difference between Mizuno Jpx 850 And 900 Hot Metal. Now, let’s see the breakdown in detail why they differ and where they differ.


The Mizuno JPX 900 Hot Metal outshines the JPX 850 in terms of forgiveness. It is undoubtedly a game-improvement iron for players of all abilities. In this iron, the Chromoly material provides a larger cavity that helps with more forgiveness.

However, it is not to say that the JPX 850s are not forgiving. Having a high percentage of MOI, this iron also provides a good amount of forgiveness. But compared to the JPX 900 Hot Metal, it is lesser.

Ball Speed

The Mizuno JPX 900 Hot Metal has the thinnest face Mizuno has ever built and the fastest ball speed. According to Mizuno, this iron has “offensive” ball speeds.

With a 6-iron, players will achieve 2 MPH more ball speed than the JPX 850, which would be helpful for players struggling with distances.

Look and Feel

The JPX 850 has a sort of colored badge behind it that looks excellent. However, the feel is not up to par because of the cast iron. It lacks the famous Mizuno feel.

Again, the JPX 900 Hot Metal gives off a very premium chrome look with a blend of matt and polished finish combined with a bit of color. Hitting the ball with it also has a great feel to it.

Build Quality

The build quality of JPX 900 Hot Metal is better than that of JPX 850 because of the material they’re made from.

As mentioned before, the JPX 850s are made out of cast iron, whereas the JPX 900 Hot Metals with a new technology called Chromoly 4140M. The build quality is good enough according to its price tag.

Lie and Loft

Let’s get an overview of the Lie and Loft of both JPX 850 and JPX 900 Hot Metal clubs which is crucial for golfers to decide which club is better.

Mizuno JPX 850 Lie and Loft Chart


As mentioned before, the JPX 850s have great control over distance and are ideal for players with mid-high handicap ranges. Having a fair amount of weight, it gets the balls nice high flights. 

Mizuno JPX 900 Hot Metal Lie and loft Chart


As it can be seen, JPX 900 Hot Metal has lower loft angles, which means it will provide a better transfer of energy from the club to the ball.

Mizuno JPX 850 Or 900 Hot Metal: Which One Should You Choose? 

Finally, the biggest debate comes down to which iron shingles you should be getting for yourself. Both the two clubs are great for players with specific requirements and abilities.

In this comparative guide, we showed a complete comparison of Mizuno JPX 850 Vs Mizuno JPX 900 Hot Metal to help you decide which is the best for you.

Both of the irons are very popular among players. If you are looking for an iron that will provide more distance coverage, the JPX 850 is for you.

On the other hand, if you are looking for a club that provides extreme forgiveness, is beginner-friendly, and has a great feel with a crisp sound, then the JPX 900 Hot Metal is for you. However, it comes with a higher price tag.


By now, you should have a good idea of the differences between the Mizuno JPX 850 and the Mizuno JPX 950 Hot Metal. We also have got some common questions covered down below.

Is The Mizuno JPX 900 Hot Metal More Forgiving Mizuno JPX 850?

Yes, the JPX 900 Hot Metal is much more forgiving than the JPX 850. Being the game improvement iron with a little larger cavity, the JPX 900 Hot Metal provides higher forgiveness than the JPX 850.

Which Is The More Beginner-Friendly Iron Between The Mizuno JPX 900 Hot Metal And Mizuno JPX 850?

The Mizuno JPX 900 Hot Metal is more beginner-friendly between the two irons. This is because these are more forgiving and have higher ball speeds.

Which Is More Expensive Between The Mizuno JPX 850 And Mizuno JPX 900 Hot Metal?

Because of the features, it provides an exquisite look. The price of Mizuno JPX 900 Hot Metal is more than that of the Mizuno JPX 850. Since the JPX 900 lineup is newer, the price point is higher. 
This might be the only thing that might hold players back from buying it. But if you want to play an iron that looks and feels like Mizuno, it will be worth the extra investment.

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