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ASUS ROG Thor 1200W Platinum II vs Cooler Master GX III 750: Comparison
ASUS ROG Thor 1200W Platinum II vs Cooler Master GX III 750: the wattage difference
Wattage is where these two genuinely part company, ASUS ROG Thor 1200W Platinum II 1200 W against Cooler Master GX III 750 750 W, a 38% lead for ASUS ROG Thor 1200W Platinum II. Add pcie 8-pin connectors to that, 8 on the ASUS ROG Thor 1200W Platinum II versus 3 on the Cooler Master GX III 750, and the pattern holds. ASUS ROG Thor 1200W Platinum II also leads on mtbf, 120000 hours on the ASUS ROG Thor 1200W Platinum II versus 100000 hours on the Cooler Master GX III 750.
Which should you buy, ASUS ROG Thor 1200W Platinum II or Cooler Master GX III 750?
The ASUS ROG Thor 1200W Platinum II suits builders targeting a workstation or multi-GPU build with serious headroom and anyone who wants fully modular cabling with native 12V-2x6 support, though it is the wrong buy for builds needing more than 1200W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. The Cooler Master GX III 750 is the one to take for RTX 4070/4070 Ti builds wanting native ATX 3.1 and mainstream gaming rigs with a long-term warranty focus, though it is not the pick for high-wattage multi-GPU or workstation loads and SFX/small-form-factor builds.
What ASUS ROG Thor 1200W Platinum II and Cooler Master GX III 750 have in common
The common ground is wider than the gap: modularity, fan size, warranty, form factor and single +12v rail are identical here. They match on 6 further specifications as well.
ASUS ROG Thor 1200W Platinum II vs Cooler Master GX III 750 price
The ASUS ROG Thor 1200W Platinum II asks 250% more, $350 against $99.99 for the Cooler Master GX III 750.
Frequently asked questions
Do the ASUS ROG Thor 1200W Platinum II and Cooler Master GX III 750 differ on 80 plus rating?
Yes. 80 PLUS Rating reads Platinum on the ASUS ROG Thor 1200W Platinum II versus Gold on the Cooler Master GX III 750.
Is the Cybenetics Efficiency the same on the ASUS ROG Thor 1200W Platinum II and Cooler Master GX III 750?
It is. Both are listed at Platinum, so it is not a reason to pick one over the other.
Which is cheaper, ASUS ROG Thor 1200W Platinum II or Cooler Master GX III 750?
The ASUS ROG Thor 1200W Platinum II asks 250% more, $350 against $99.99 for the Cooler Master GX III 750.
Specs and benchmarks
Brand
- ASUS ROG Thor 1200W Platinum II
- ASUS
- Cooler Master GX III 750
- Cooler Master
Wattage
- ASUS ROG Thor 1200W Platinum II
- 1200 WBest
- Cooler Master GX III 750
- 750 W-37%
80 PLUS Rating
- ASUS ROG Thor 1200W Platinum II
- Platinum
- Cooler Master GX III 750
- Gold
Model Number
- ASUS ROG Thor 1200W Platinum II
- ROG Thor 1200W Platinum II
- Cooler Master GX III 750
- GX III 750
ATX Standard
- ASUS ROG Thor 1200W Platinum II
- ATX 2.x
- Cooler Master GX III 750
- ATX 3.1
Form Factor
- ASUS ROG Thor 1200W Platinum II
- ATX
- Cooler Master GX III 750
- ATX
+12V Rail Amperage
- ASUS ROG Thor 1200W Platinum II
- 100 A
- Cooler Master GX III 750
- 62.5 A
Single +12V Rail
- ASUS ROG Thor 1200W Platinum II
- Yes
- Cooler Master GX III 750
- Yes
Cybenetics Efficiency
- ASUS ROG Thor 1200W Platinum II
- Platinum
- Cooler Master GX III 750
- Platinum
Cybenetics Noise
- ASUS ROG Thor 1200W Platinum II
- A++
- Cooler Master GX III 750
- A-
12V-2x6 Connectors
- ASUS ROG Thor 1200W Platinum II
- 1
- Cooler Master GX III 750
- 1
Zero-RPM Mode
- ASUS ROG Thor 1200W Platinum II
- Yes
- Cooler Master GX III 750
- Yes
Sleeved Cables
- ASUS ROG Thor 1200W Platinum II
- No
- Cooler Master GX III 750
- No
Measured Avg Efficiency
- ASUS ROG Thor 1200W Platinum II
- 89.23 %
- Cooler Master GX III 750
- 89.9 %Best
PCIe 8-pin Connectors
- ASUS ROG Thor 1200W Platinum II
- 8
- Cooler Master GX III 750
- 3-62%
Measured Average Noise
- ASUS ROG Thor 1200W Platinum II
- 14.75 dBABest
- Cooler Master GX III 750
- 29.52 dBA
Connector Count
- ASUS ROG Thor 1200W Platinum II
- 1x 24-pin ATX, 2x EPS 4+4, 1x PCIe 16-pin (component side), 8x PCIe 6+2-pin, 12x SATA, 6x Molex
- Cooler Master GX III 750
- 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 8x SATA, 4x Molex
Fan Size
- ASUS ROG Thor 1200W Platinum II
- 135 mm
- Cooler Master GX III 750
- 135 mm
Fan Model / Bearing
- ASUS ROG Thor 1200W Platinum II
- 135mm double ball bearing (CF1325H12D), Axial-tech
- Cooler Master GX III 750
- 135mm (Hong Hua HA13525H12F-Z)
EPS 8-pin Connectors
- ASUS ROG Thor 1200W Platinum II
- 2
- Cooler Master GX III 750
- 2
SATA Connectors
- ASUS ROG Thor 1200W Platinum II
- 12
- Cooler Master GX III 750
- 8
Molex Connectors
- ASUS ROG Thor 1200W Platinum II
- 6
- Cooler Master GX III 750
- 4
Cable Lengths
- ASUS ROG Thor 1200W Platinum II
- ATX 620mm, EPS 650mm, PCIe 680mm and 680+80mm, SATA 460+125+125+125mm, Molex 460+155+155mm
- Cooler Master GX III 750
- 24-pin 610mm, EPS 600mm, PCIe 550mm, 12V-2x6 650mm, SATA 500+120+120+120mm, Molex 500+120+120+120mm
Length
- ASUS ROG Thor 1200W Platinum II
- 190 mm
- Cooler Master GX III 750
- 160 mm
Colour
- ASUS ROG Thor 1200W Platinum II
- Black
- Cooler Master GX III 750
- Black
MTBF
- ASUS ROG Thor 1200W Platinum II
- 120000 hours
- Cooler Master GX III 750
- 100000 hours-17%
Modularity
- ASUS ROG Thor 1200W Platinum II
- Fully Modular
- Cooler Master GX III 750
- Fully Modular
Protections
- ASUS ROG Thor 1200W Platinum II
- OPP, OVP, UVP, SCP, OCP, OTP
- Cooler Master GX III 750
- OPP, OVP, OTP, OCP, SCP, UVP, Surge & Inrush
Price
- ASUS ROG Thor 1200W Platinum II
- 349.99 USD
- Cooler Master GX III 750
- 99.99 USD
Warranty
- ASUS ROG Thor 1200W Platinum II
- 10 years
- Cooler Master GX III 750
- 10 years
Which one should you pick?
Choose ASUS ROG Thor 1200W Platinum II if you want the higher wattage (1200 W vs 750 W), the higher 12V-2x6 connectors (1 vs 1) and the higher PCIe 8-pin connectors (8 vs 3).
Choose Cooler Master GX III 750 if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | ASUS ROG Thor 1200W Platinum II | Cooler Master GX III 750 |
|---|---|---|
| Consumercarts listing | $349.99 View on Consumercarts listing | |
| Amazon | $99.99 View on Amazon |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
ASUS ROG Thor 1200W Platinum II
8.8 / 10 Expert Rating
A best-in-class 1200W Platinum-rated ATX unit for a workstation or multi-GPU build with serious headroom, held back only by its premium price.
Cooler Master GX III 750
8.2 / 10 Expert Rating
A well-rounded 750W Gold ATX 3.1 unit with a strong warranty, right in step with the best in this wattage class.