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Antec Signature 1300 Platinum vs Cooler Master GX III 750: Comparison
Antec Signature 1300 Platinum and Cooler Master GX III 750 separate most on pcie 8-pin connectors: Antec Signature 1300 Platinum at 12, Cooler Master GX III 750 at 3, 75% in favour of Antec Signature 1300 Platinum. Wattage splits them by another 42%, again favouring Antec Signature 1300 Platinum. They match on 9 other specifications, including form factor, single +12v rail and cybenetics efficiency. On price, Cooler Master GX III 750 sits at $99.99 against $289.99 for Antec Signature 1300 Platinum.
Specs
| Specification |  |  |
|---|---|---|
| Brand | Antec | Cooler Master |
| Wattage | 1300 W | 750 W-42% |
| 80 PLUS Rating | Platinum | Gold |
| ATX Standard | ATX 2.x | ATX 3.1 |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 108 A | 62.5 A |
| Single +12V Rail | Yes | Yes |
| Cybenetics Efficiency | Platinum | Platinum |
| Cybenetics Noise | None | A- |
| 12V-2x6 Connectors | 0 | 1 |
| Zero-RPM Mode | Yes | Yes |
| Sleeved Cables | Yes | No |
| Measured Avg Efficiency | 89.97 % | 89.9 % |
| PCIe 8-pin Connectors | 12 | 3-75% |
| Measured Average Noise | 47.79 dBA | 29.52 dBA |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 12x PCIe 6+2-pin, 14x SATA, 5x Molex, 1x FDD | 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 | 135 mm | 135 mm |
| Fan Model / Bearing | Hong Hua HA13525H12F-Z, fluid dynamic bearing | 135mm (Hong Hua HA13525H12F-Z) |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 14 | 8 |
| Molex Connectors | 5 | 4 |
| Cable Lengths | ATX 600mm, EPS 650mm, PCIe 670+70mm, SATA 400+115+115+115mm and 350+150+150+150mm, Molex 450+120+120mm and 350+120mm | 24-pin 610mm, EPS 600mm, PCIe 550mm, 12V-2x6 650mm, SATA 500+120+120+120mm, Molex 500+120+120+120mm |
| Length | 170 mm | 160 mm |
| Colour | Black | Black |
| Modularity | Fully Modular | Fully Modular |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO | OPP, OVP, OTP, OCP, SCP, UVP, Surge & Inrush |
| Warranty | 10 years | 10 years |
| Model | Signature Platinum 1300 | GX III 750 |
| Typical Price | $289.99 | $99.99 |
| Source URL | https://www.antec.com/product/power/signature-platinum-1300 | https://www.coolermaster.com/en-global/products/gx-iii-gold-750-atx-3-1.html |
Price comparison
| Retailer | Antec Signature 1300 Platinum | Cooler Master GX III 750 |
|---|---|---|
| Consumercarts listing | $289.99 View on Consumercarts listing | |
| Amazon | $99.99 View on Amazon | |
| Newegg | View on Newegg |
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
Antec Signature 1300 Platinum
8.8 / 10 Expert Rating
A best-in-class 1300W 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.
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