PCPairs

Ryzen 7 3700X + GTX 1660 Super: bottleneck check

6%

Balanced at 1440p.

Well matched at 1440p. The GTX 1660 Super is the slightly busier part, by about 6%.

By resolution

ResolutionLimiting partSeverityVerdict
1080pCPU 4%balanced
1440pGPU 6%balanced
4KGPU 28%GPU-bound (normal)

This is the classic pattern: at 1080p the Ryzen 7 3700X is the limit (4%), while at 4K the GTX 1660 Super takes over (28% GPU-limited). If you play at 1080p on a high-refresh monitor, a faster CPU is the upgrade that matters; at 1440p or 4K this pair is already well matched.

Specifications

AMD Ryzen 7 3700X
Cores / threads8 / 16
Max boost4.4 GHz
SocketAM4
Power used for the PSU estimate65 W not confirmed against a manufacturer page
Released2019
Gaming index52 / 100
Multi-core index50 / 100
NVIDIA GeForce GTX 1660 Super
VRAM6 GB
Board power125 W
Released2019
1080p index19.9 / 100
1440p index15 / 100
4K index11.3 / 100

Power supply

The GTX 1660 Super measured 127 W average while gaming (140 W highest 20 ms spike, TechPowerUp). With the Ryzen 7 3700X at a power figure of 65 W and about 75 W for the rest of the system, the sustained load is about 267 W. A 450 W unit is the safe choice. Details on the GTX 1660 Super PSU page or try other pairs in the PSU calculator.

Upgrade paths

Cards that use the Ryzen 7 3700X fully

Best CPU for the GTX 1660 Super Best GPU for the Ryzen 7 3700X GTX 1660 Super PSU requirements

Indexes are relative estimates aggregated from published reviews; real results vary by game, settings, memory speed and drivers. Methodology.