be quiet! Pure Power 12 M 850W vs Gigabyte UD1000GM PG5

The Gigabyte UD1000GM PG5 leads on high-power builds, scoring 77.3 — about 2% ahead of the be quiet! Pure Power 12 M 850W. For efficiency the be quiet! Pure Power 12 M 850W is the clear call: it scores higher and offers better value there. The be quiet! Pure Power 12 M 850W comes out ahead in 2 of the 3 uses we score. The be quiet! Pure Power 12 M 850W is the cheaper of the two: the Gigabyte UD1000GM PG5 costs around 15% more at RRP. For bang for your buck, the be quiet! Pure Power 12 M 850W is the stronger value pick. It's a split call: the Gigabyte UD1000GM PG5 scores higher, but the be quiet! Pure Power 12 M 850W gives more for the money.

Pure Power 12 M 850Wbe quiet!UD1000GM PG5Gigabyteour pick
Performance scores
High-Power75.577.3
Mainstream82.577
Efficiency92.478.9
Value scores
High-Power290.4257.7
Mainstream317.3256.7
Efficiency355.4263
Specifications
Wattage850 W1000 W
ATX Spec33
Efficiency @50%90 %90 %
Warranty10 yr5 yr
RRP$130$150

★ marks the winner on each row (for TDP, latency and price, lower is better). Ties unmarked. Scores are our own absolute figures; specs and prices are facts from their sources.