Speediance Gym Monster 3 and Gym Monster 3S are designed for different training needs. Gym Monster 3 is a versatile choice for bringing smart training into your home with a focus on guided workouts, interactive features, and a space-efficient design. Gym Monster 3S builds on the same core features as GM3, while offering higher resistance capacity and more powerful motors for more demanding strength training. So, which one is right for you? It comes down to your training experience and how much resistance you need.
In this guide, we'll break down the key differences between Gym Monster 3 and Gym Monster 3S to help you find the model that best fits your training needs.
Shared Features of Gym Monster 3 and Gym Monster 3S
Before getting into the differences, let's take a look at the features both models have in common:
-
Dimensions and footprint — both models have the same dimensions in both folded and unfolded configurations.
- Platform soft-lowering, 19+1 cable positions, welded frame construction
- Voiceprint recognition and voice control — both run on the same computing platform. Voice interaction currently supports English only; Spanish, German, French, and Arabic support will be added through future OTA updates.
- 23.8" touchscreen, dual-point hinge mount, gyroscope auto-rotation, ambient lighting
- Four resistance modes — Standard, Chain, Eccentric, and Fixed Speed
- Movement and content library — 1,000+ movements, 500+ courses, 90+ programs
The Core Difference Between GM3 and GM3S: Resistance and Motor Power
|
|
GM3 |
GM3S |
| Maximum resistance | 220 lb (100 kg) | 260 lb (120 kg) |
| Drive motors | Dual 800W PMSM | Dual 1000W PMSM |
| Weight | 181 lb | 190 lb |
GM3S offers 40 lb more maximum resistance than GM3, with dual 1000W motors to support the higher resistance capacity. Both models offer the same minimum resistance and adjustment precision, so the main difference comes down to maximum resistance capacity. If you regularly perform heavy movements, the additional resistance on GM3S gives you more room to progress as your strength increases. GM3S is also about 9 lb heavier than GM3, reflecting its more powerful motors built to support the higher resistance.
Gym Monster 3 vs. Gym Monster 3S: Comparison Table
|
|
Gym Monster 3 |
Gym Monster 3S |
| Footprint (unfolded) | 0.84 m² / 9ft² | 0.84 m² / 9ft² |
| Footprint (folded) | 0.25 m² / 2.7ft² | 0.25 m² / 2.7ft² |
| Touchscreen | 23.8" 2K/QHD | 23.8" 2K/QHD |
| Audio | Stereo 2.1 | Stereo 2.1 |
| Wi-Fi / Bluetooth | Wi-Fi 6 / Bluetooth 5.0 | Wi-Fi 6 / Bluetooth 5.0 |
| RAM / Storage | 4GB / 128GB | 4GB / 128GB |
| Maximum resistance | 220 lb (100 kg) | 260 lb (120 kg) |
| Minimum resistance | 8 lb (3.5 kg) | 8 lb (3.5 kg) |
| Drive motors | Dual 800W PMSM | Dual 1000W PMSM |
| Resistance modes | 4 modes | 4 modes |
| Weight | 181 lb | 190 lb |
| Cable positions | 19 + 1 | 19 + 1 |
| Frame construction | Welded | Welded |
| Platform soft-lowering | Yes | Yes |
| Voiceprint recognition / voice control | Yes (English only at launch) | Yes (English only at launch) |
| Movement library | 1,000+ movements, 500+ courses, 90+ programs | 1,000+ movements, 500+ courses, 90+ programs |
Which Gym Monster Is Right for You?
Choose Gym Monster 3 if:
- This is your first smart home gym, and you want a versatile setup without paying extra for a higher resistance capacity
- Your current training needs are well within GM3's 220 lb maximum resistance
Choose Gym Monster 3S if:
- You have more experience with strength training
- Your training includes heavy movements where higher resistance can be useful
- You'd rather invest in higher resistance capacity now to give yourself more room to progress and avoid upgrading later
FAQ
What's the actual difference between GM3 and GM3S?
The main difference is resistance capacity. GM3S offers up to 260 lb of resistance, compared with 220 lb on GM3, supported by more powerful dual 1000W motors. GM3S is also slightly heavier due to its higher-capacity hardware. Both models offer the same minimum resistance and adjustment precision, so the choice mainly comes down to how much resistance you need for your training and how much room you want to progress.
Do I need GM3S if I'm just starting strength training?
Both GM3 and GM3S can be suitable for beginners, depending on your training goals and how much resistance you want available as you progress. GM3 offers up to 220 lb of resistance, while GM3S goes up to 260 lb. If you expect to progress toward heavier strength training or simply want more resistance capacity from the start, GM3S gives you that extra room to grow.
Is GM3S heavier than GM3?
Slightly heavier — about 9 lb more — due to the stronger motors and added structure needed to support the higher resistance. Footprint and dimensions are identical, so it doesn't take up any more space.
Related article:
Gym Monster 2 vs. Gym Monster 3: What’s the Difference?
Gym Monster Ultra vs. Gym Monster 2: What has changed?
Gym Monster Ultra vs. Gym Monster 3S: Which One Is Right for You?
