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Ryzen 5 3400G vs AMD Ryzen 9 3950X — Specs & Performance Compared

Verdict: The AMD Ryzen 9 3950X is ahead of the Ryzen 5 3400G on all 6 shared benchmarks on file, by 17% to 448%, including 448% in Cinebench R23 multi (26,375 vs 4,812).

Side-by-side CPU comparison of the Ryzen 5 3400G and the AMD Ryzen 9 3950X. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability below; each column header links to that part's benchmark page.

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*Price sourced from Amazon.com. Price and availability subject to change.

Where to buy

A listing for each part; the current price and stock are on the retailer's page.

Specs side-by-side

SpecRyzen 5 3400GAMD Ryzen 9 3950X
cores —16
threads —32
base clock ghz —3.5
boost clock ghz —4.7
tdp w —105
l3 cache mb —64
process nm —7
socket —AM4

Synthetic benchmarks

Each row says whether a higher or a lower number is better (ranks and times are lower-is-better). Scores come from GadgetVersus, CGDirector, CPU-Monkey, HardwareDB, Geekbench Browser, PassMark Software and numberworld.org; each row links its sources, and where they differ the cell shows their median. Empty cells mean we don't yet have that benchmark on file for the SKU.

BenchmarkRyzen 5 3400GAMD Ryzen 9 3950X
Cinebench R23 multi (higher is better)
Source: GadgetVersus, CGDirector, CPU-Monkey		 4,812 points26,375 points
Cinebench R23 single (higher is better)
Source: GadgetVersus, CGDirector, CPU-Monkey		 1,024 points1,406 points
Geekbench 6 multi (higher is better)
Source: HardwareDB, Geekbench Browser, CPU-Monkey		 3,784 points11,367 points
Geekbench 6 single (higher is better)
Source: HardwareDB, Geekbench Browser, CPU-Monkey		 1,173 points1,782 points
PassMark CPU Mark (higher is better)
Source: PassMark Software		 9,179 points38,432 points
PassMark CPU Mark single thread (higher is better)
Source: PassMark Software		 2,304 points—
PassMark single thread (higher is better)
Source: PassMark Software		 —2,701 points
PassMark Single Thread (higher is better)
Source: PassMark Software		 2,311 points—
PassMark Single Thread Rating (higher is better)
Source: PassMark Software		 2,304 points2,700 points
Y-cruncher 1B digits (lower is better)
Source: numberworld.org		 —29 seconds

Quick answers

Which is faster, the Ryzen 5 3400G or the AMD Ryzen 9 3950X?

The AMD Ryzen 9 3950X is ahead of the Ryzen 5 3400G on all 6 shared benchmarks on file, by 17% to 448%, including 448% in Cinebench R23 multi (26,375 vs 4,812).

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