Ryzen 7 7800X3D + RTX 3090 Ti in Starfield

Every figure below is a measurement aggregated from published review charts — the CPU's frame-rate ceiling and the GPU's frame-rate ceiling in this game, combined. Settings: Ultra preset, native rendering, no upscaling, no frame generation. CPU ceiling measured at 1080p, Low preset (reviewers' CPU-isolation method), flagship GPU.

1080p

Strong GPU limit

Expected frame rate: 54–94 fps (measured range across sources).

CPU Ryzen 7 7800X3Dceiling ~124–166 fps on its own

GPU RTX 3090 Ticeiling ~54–94 fps on its own

The GPU side is lower by about 49.0%: the pair runs at the lower ceiling, and upgrading the other part alone would not raise it.

That range suits a 60 Hz monitor; a high-refresh panel would be underused in this game.

Confidence: LOW — based on 4 source measurements for these two parts.

1440p

Strong GPU limit

Expected frame rate: 45–79 fps (measured range across sources).

CPU Ryzen 7 7800X3Dceiling ~124–166 fps on its own

GPU RTX 3090 Ticeiling ~45–79 fps on its own

The GPU side is lower by about 57.3%: the pair runs at the lower ceiling, and upgrading the other part alone would not raise it.

That range suits a 60 Hz monitor; a high-refresh panel would be underused in this game.

Confidence: HIGH — based on 4 source measurements for these two parts.

4K

Strong GPU limit

Expected frame rate: 33–54 fps (measured range across sources).

CPU Ryzen 7 7800X3Dceiling ~124–166 fps on its own

GPU RTX 3090 Ticeiling ~33–54 fps on its own

The GPU side is lower by about 69.8%: the pair runs at the lower ceiling, and upgrading the other part alone would not raise it.

That range sits under a smooth 60 in this game at the tested preset — expect to trade settings for frame rate.

Confidence: HIGH — based on 4 source measurements for these two parts.

This pair in other measured games

Alan Wake 2 — Strong GPU limit, 81–81 fps at 1440p
Baldur's Gate 3 — Balanced, 133–133 fps at 1440p
Counter-Strike 2 — Strong GPU limit, 314–314 fps at 1440p
Cyberpunk 2077 — this pair is not both measured there yet.
Elden Ring — Mild GPU limit, 143–143 fps at 1440p
Kingdom Come: Deliverance II — Strong GPU limit, 102–102 fps at 1440p
Marvel's Spider-Man 2 — Strong GPU limit, 99–99 fps at 1440p
S.T.A.L.K.E.R. 2 — Balanced, 69–69 fps at 1440p

Sources for Starfield

Full data: Starfield benchmarks · how verdicts are computed.