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Antec HCG850 Gold Extreme vs Seasonic Core GM-650: Comparison
Antec HCG850 Gold Extreme vs Seasonic Core GM-650: the wattage difference
The gap that matters here is wattage: Antec HCG850 Gold Extreme 850 W against Seasonic Core GM-650 650 W, which puts Antec HCG850 Gold Extreme 24% ahead. Add warranty to that, 10 years on the Antec HCG850 Gold Extreme versus 7 years on the Seasonic Core GM-650, and the pattern holds. Add pcie 8-pin connectors to that, 6 on the Antec HCG850 Gold Extreme versus 2 on the Seasonic Core GM-650, and the pattern holds.
Antec HCG850 Gold Extreme vs Seasonic Core GM-650: which one fits your build
The Antec HCG850 Gold Extreme suits RTX 4080-class single-GPU builds and buyers wanting a 10-year warranty at 850W, though it is not built for Multi-GPU or extreme workstation loads and SFF builds needing SFX. Buy the Seasonic Core GM-650 for Budget-Gold mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is not the pick for anyone wanting full modularity and ATX 3.0/PCIe 5.0 native connectors. Our rating of the Antec HCG850 Gold Extreme (8.1/10): A well-priced step below the HCG1000 with the same ATX 3.0 platform and 10-year warranty, right for RTX 4080-class builds. Our rating of the Seasonic Core GM-650 (7.6/10): the cheapest legitimate route to 80 PLUS Gold in Seasonic's lineup, good for mainstream builds that don't need full modularity.
Which is cheaper, Antec HCG850 Gold Extreme or Seasonic Core GM-650?
Cost splits them too. Seasonic Core GM-650 sits at $79.99, Antec HCG850 Gold Extreme at $120, 50% more.
Where the two are identical
The common ground is wider than the gap: 80 plus rating, atx standard, form factor, single +12v rail and 12v-2x6 connectors are identical here. They match on 2 further specifications as well.
Frequently asked questions
Do the Antec HCG850 Gold Extreme and Seasonic Core GM-650 differ on fan size?
Yes. Fan Size reads 135 mm on the Antec HCG850 Gold Extreme versus 120 mm on the Seasonic Core GM-650.
Is the Sleeved Cables the same on the Antec HCG850 Gold Extreme and Seasonic Core GM-650?
It is. Both are listed at No, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Antec HCG850 Gold Extreme
- Antec
- Seasonic Core GM-650
- Seasonic
Wattage
- Antec HCG850 Gold Extreme
- 850 WBest
- Seasonic Core GM-650
- 650 W-24%
80 PLUS Rating
- Antec HCG850 Gold Extreme
- Gold
- Seasonic Core GM-650
- Gold
Model Number
- Antec HCG850 Gold Extreme
- HCG850 Extreme
- Seasonic Core GM-650
- Core GM-650
ATX Standard
- Antec HCG850 Gold Extreme
- ATX 2.x
- Seasonic Core GM-650
- ATX 2.x
Form Factor
- Antec HCG850 Gold Extreme
- ATX
- Seasonic Core GM-650
- ATX
Single +12V Rail
- Antec HCG850 Gold Extreme
- Yes
- Seasonic Core GM-650
- Yes
12V-2x6 Connectors
- Antec HCG850 Gold Extreme
- 0
- Seasonic Core GM-650
- 0
Zero-RPM Mode
- Antec HCG850 Gold Extreme
- Yes
- Seasonic Core GM-650
- No
Sleeved Cables
- Antec HCG850 Gold Extreme
- No
- Seasonic Core GM-650
- No
PCIe 8-pin Connectors
- Antec HCG850 Gold Extreme
- 6
- Seasonic Core GM-650
- 2-67%
Connector Count
- Antec HCG850 Gold Extreme
- 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 10x SATA, 6x Molex, 1x FDD
- Seasonic Core GM-650
- 1x 24-pin ATX (fixed), 1x EPS 4+4 (fixed), 2x PCIe 6+2-pin, 6x SATA, 3x Molex
Fan Size
- Antec HCG850 Gold Extreme
- 135 mm
- Seasonic Core GM-650
- 120 mm
Fan Model / Bearing
- Antec HCG850 Gold Extreme
- 135mm fluid dynamic bearing
- Seasonic Core GM-650
- 120mm sleeve bearing with Smart and Silent Fan Control
SATA Connectors
- Antec HCG850 Gold Extreme
- 10
- Seasonic Core GM-650
- 6
Molex Connectors
- Antec HCG850 Gold Extreme
- 6
- Seasonic Core GM-650
- 3
Cable Lengths
- Antec HCG850 Gold Extreme
- 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm
- Seasonic Core GM-650
- 24-pin 500mm, EPS 500mm, PCIe 450mm, SATA 500-650mm
Length
- Antec HCG850 Gold Extreme
- 160 mm
- Seasonic Core GM-650
- 140 mm
Colour
- Antec HCG850 Gold Extreme
- Black
- Seasonic Core GM-650
- Black
Fan Bearing
- Antec HCG850 Gold Extreme
- Fluid Dynamic
- Seasonic Core GM-650
- Sleeve
Topology
- Antec HCG850 Gold Extreme
- Full-Bridge LLC + DC-DC
- Seasonic Core GM-650
- LLC resonant + DC-DC
Modularity
- Antec HCG850 Gold Extreme
- Fully Modular
- Seasonic Core GM-650
- Semi-Modular
Protections
- Antec HCG850 Gold Extreme
- OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
- Seasonic Core GM-650
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- Antec HCG850 Gold Extreme
- 119.99 USD
- Seasonic Core GM-650
- 79.99 USD
Warranty
- Antec HCG850 Gold Extreme
- 10 yearsBest
- Seasonic Core GM-650
- 7 years-30%
Which one should you pick?
Choose Antec HCG850 Gold Extreme if you want the higher wattage (850 W vs 650 W), the higher PCIe 8-pin connectors (6 vs 2) and the higher warranty (10 years vs 7 years).
Choose Seasonic Core GM-650 if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Antec HCG850 Gold Extreme | Seasonic Core GM-650 |
|---|---|---|
| Amazon | $119.99 View on Amazon | $79.99 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
Antec HCG850 Gold Extreme
8.1 / 10 Expert Rating
A well-priced step below the HCG1000 with the same ATX 3.0 platform and 10-year warranty, right for RTX 4080-class builds.
Seasonic Core GM-650
7.6 / 10 Expert Rating
The cheapest legitimate route to 80 PLUS Gold in Seasonic's lineup, good for mainstream builds that don't need full modularity.