Ibanez GRG121DX-BKF vs Ibanez GRX40-MLB
Detailed comparison to help you choose the right ST Style Guitars for your music.
Last updated: May 13, 2026 • Next update: May 20, 2026
Ibanez GRG121DX-BKF
⭐
4.9/5
Expert Rating
Sound:
7/10
Build:
7/10
Value:
7/10
The GRG121DX-BKF is a solid entry-level guitar that punches above its weight class. It’s got a great feel thanks to the purpleheart fretboard and the IBZ-6 pickups give you plenty of rock and metal crunch. This is a fantastic option for beginner to intermediate players who want a hard-hitting guitar without spending a fortune.
$239
Ibanez GRX40-MLB
⭐
4.3/5
Expert Rating
Sound:
7/10
Build:
9/10
Value:
7/10
The GRX40-MLB is a surprisingly capable entry-level guitar. It’s a solid choice for beginners or players needing a reliable, affordable instrument for rock, pop, or lighter genres. The comfortable neck and decent pickups make it a fun and easy guitar to play.
$219
Detailed Comparison
| Feature | Ibanez GRG121DX-BKF | Ibanez GRX40-MLB |
|---|---|---|
| Brand | Ibanez | Ibanez |
| Model | GRG121DX-BKF | GRX40-MLB |
| Price | $238 | $218 |
| Expert Rating | ⭐ 4.9/5 | ⭐ 4.3/5 |
| Body Material | Poplar | Poplar |
| Neck Material | Maple | Maple |
| Fingerboard | Purpleheart with binding | Jatoba |
| Pickups | 2x IBZ-6 Humbuckers | Infinity RS humbucker (bridge), Infinity RS single coils (middle, neck) |
| Scale Length | 25.5 in | 648 mm (25.51 in) |
| Frets | 24 Jumbo | 22 Medium |
| Bridge | Fixed Bridge | Ibanez T106 Tremolo |
| Weight | Approximately 8 lbs | Approximately 3.8 kg (8.4 lbs) – typical for a ST-style guitar |
| Pros | + Purpleheart fretboard offers a uniquely smooth playing experience and visual flair. | + Poplar body provides a surprisingly resonant and balanced tonal foundation. |
| Pros | + IBZ-6 humbuckers deliver a surprisingly powerful and aggressive high-gain tone. | + GRX neck profile is comfortable and fast, a good fit for various hand sizes. |
| Pros | + Maple neck provides stability and a comfortable, familiar feel for many players. | + Infinity RS pickups offer a decent range of sounds, usable for rock and pop. |
| Pros | + Fixed bridge enhances tuning stability and sustain compared to tremolo systems. | + The T106 tremolo allows for some vibrato effects without being overly dive-bomby. |
| Cons | - Poplar body can feel somewhat plain compared to more resonant woods. | - Jatoba fretboard can feel a bit 'slick' compared to rosewood or ebony. |
| Cons | - Humbucker pickups limit versatility; cleaner tones require careful volume adjustments. | - Plastic nut is a common cost-saving measure, impacts sustain and tuning stability. |
| Cons | - Hardware, while functional, feels budget-oriented and lacks premium refinement. | - Limited pickup switching options restrict versatility compared to more complex designs. |
| Category | ST Style Guitars | ST Style Guitars |
| Article Number | 356054 | 484465 |
| Check Price | Check Price |
Frequently Asked Questions
Purpleheart is generally smoother and feels more 'grippy' than rosewood, offering a slightly faster feel, but lacks the depth of ebony's darker tone and appearance.
They're usable for recording, but expect a fairly raw, high-output sound; EQ adjustments in your DAW will likely be needed to tame the highs and add clarity.
Yes, a fixed bridge eliminates vibrato functionality; however, it provides better tuning stability and sustain, which is a benefit for many players.
Jatoba is harder and feels smoother, some players find it a little less 'grippy' than rosewood and may prefer to apply a bit of lemon oil.
The T106 is a basic tremolo; aggressive use will require more frequent tuning adjustments, but it's generally stable for subtle vibrato.
The Infinity RS pickups provide a respectable output level, suitable for playing with a band, though high-gain amp users might want an upgrade later.
