Does the Ryzen 5 5600X Bottleneck the RTX 3070?

Short answer: Only at 1080p. The Ryzen 5 5600X limits the RTX 3070 by 21% at 1080p, which mostly shows in high-frame-rate games. At 1440p (3% CPU) and 4K (25% GPU) the pair is balanced, so this is a good match for a 1440p monitor.

  • Best resolution for this pair: 1440p
  • Bottleneck: 21% CPU at 1080p, 3% CPU at 1440p, 25% GPU at 4K
  • Average FPS (9 demanding games, High): 98 at 1080p, 72 at 1440p, 39 at 4K
  • Recommended power supply: 550 W or more
Table of ContentsShow or hide all 10 sectionsShowHide

Ryzen 5 5600X + RTX 3070 bottleneck at 1080p, 1440p and 4K

ResolutionBottleneckLimiting partWhat it means
1080p21%CPU (moderate)The CPU often holds the card back. Free fixes help; a CPU upgrade helps more.
1440p3%CPU (balanced)Balanced. Both parts are well used.
4K25%GPU (moderate)The graphics card is fully used. This is the normal, healthy kind of limit.
From our bottleneck calculator with its default settings: Battle Royale game type, 16 GB RAM, High detail, typical background load. How we calculate.

Ryzen 5 5600X + RTX 3070: bottleneck by type of game

The same pair can be balanced in one game and CPU-bound in another, because some games lean much harder on the processor. For this build the CPU is felt most in strategy and simulation games, at 42% at 1080p.

Game type1080p1440p4K
Esports (CS2, Valorant)38% CPU28% CPU3% CPU
Battle royale (Fortnite, Warzone)21% CPU3% CPU25% GPU
Open world (Cyberpunk, RDR2)1% CPU18% GPU37% GPU
Strategy and simulation (Flight Sim, Cities)42% CPU34% CPU13% CPU
Racing (Forza, F1)12% CPU8% GPU31% GPU
Bottleneck from our calculator for each game type, 16 GB RAM, High detail.

Estimated average FPS and 1% lows on the High preset, native resolution, no ray tracing, with 16 GB of RAM. Across nine demanding games the RTX 3070 with the Ryzen 5 5600X averages about 98 FPS at 1080p, 72 FPS at 1440p and 39 FPS at 4K. At 1440p the graphics card sets the limit in every game listed.

Game1080p High1440p High4K High
Counter-Strike 2330 (238 low)236 (184 low)138 (107 low)
Valorant432 (311 low)321 (251 low)188 (146 low)
Fortnite140 (109 low)100 (78 low)58 (46 low)
Call of Duty: Black Ops 798 (76 low)57 (31 low)33 (18 low)
Battlefield 6110 (86 low)79 (61 low)38 (21 low)
ARC Raiders120 (94 low)86 (67 low)50 (39 low)
Marvel Rivals85 (66 low)61 (47 low)35 (28 low)
Cyberpunk 207795 (74 low)68 (53 low)32 (18 low)
Black Myth: Wukong65 (51 low)46 (36 low)27 (21 low)
Hogwarts Legacy86 (62 low)64 (50 low)31 (17 low)
Baldur's Gate 386 (57 low)86 (62 low)50 (39 low)
Elden Ring60 (43 low)60 (47 low)40 (31 low)
Estimates from our FPS calculator model, which is calibrated against published review results. Expect real results within about ±12%. Elden Ring is locked to 60 FPS by the game.

Ryzen 5 5600X + RTX 3070: specs at a glance

PartKey specsPlatformPower
Ryzen 5 5600X6 cores / 12 threads, Zen 3 (2020)AM4, DDR465 W rated, up to about 88 W
RTX 30708 GB GDDR6, Ampere (2020)DLSS 4 upscaling (no DLSS Frame Generation; FSR Frame Generation works)About 220 W board power
Manufacturer specifications. Maximum CPU power is AMD’s package power limit or Intel’s maximum turbo power.

Ryzen 5 5600X + RTX 3070: what to expect at each resolution

1080p

At 1080p the CPU bottleneck is 21%, so the RTX 3070 will often run below full load. You will feel it most in fast multiplayer games and in 1% lows (stutter). Expect about 95 FPS in Cyberpunk 2077, 140 FPS in Fortnite and 330 FPS in Counter-Strike 2 on High.

1440p

At 1440p the pair is balanced (3% CPU), so both parts are well used. Expect about 68 FPS in Cyberpunk 2077, 100 FPS in Fortnite and 236 FPS in Counter-Strike 2 on High. The 8 GB of video memory runs short in Call of Duty: Black Ops 7 at these settings, so drop texture quality one step to avoid stutter.

4K

At 4K the RTX 3070 is the limit (25% GPU), which is normal and means you are getting the card’s full speed, unlike at 1080p. Expect about 32 FPS in Cyberpunk 2077, 58 FPS in Fortnite and 138 FPS in Counter-Strike 2 on High. The 8 GB of video memory runs short in Call of Duty: Black Ops 7, Battlefield 6, Cyberpunk 2077, Hogwarts Legacy at these settings, so drop texture quality one step to avoid stutter. For 4K, turn on DLSS, FSR or XeSS in Quality or Balanced mode.

Ryzen 5 5600X + RTX 3070: best upgrade for this build

Upgrade the CPU first. Your Ryzen 5 5600X uses the AM4 socket, so you can drop in a faster chip without a new motherboard: Ryzen 7 5700X3D (14% CPU at 1080p, 6% GPU at 1440p) or Ryzen 7 5800X3D (11% CPU at 1080p, 9% GPU at 1440p). Update the motherboard BIOS before you swap. A faster graphics card would add little until the processor is faster. See the best CPU for the RTX 3070.

Ryzen 5 5600X + RTX 3070: power supply for this pair

The Ryzen 5 5600X can draw up to about 88 W and the RTX 3070 about 220 W. With 100 W for the rest of the system and 25% headroom, a good 550 W power supply (80 Plus Gold or better) is a safe choice. Use the PSU wattage calculator to include your exact drives, fans and overclocking.

Ryzen 5 5600X + RTX 3070: settings tips for this pair

  • Raise graphics settings and resolution: the GPU has spare power, the CPU does not. Higher settings cost almost no FPS here.
  • Use native resolution or DLAA / FSR Native AA instead of a Performance upscaling mode, which would only shift more load to the CPU.
  • Lower CPU-heavy settings: crowd density, object view distance, physics and simulation quality.
  • Turn on XMP or EXPO so the RAM runs at its rated speed, and use two sticks for dual channel.
  • Close browsers, launchers and overlays while gaming to free up CPU time.

Ryzen 5 5600X + RTX 3070: frequently asked questions

Does the Ryzen 5 5600X bottleneck the RTX 3070?

Only at 1080p. The Ryzen 5 5600X limits the RTX 3070 by 21% at 1080p, which mostly shows in high-frame-rate games. At 1440p (3% CPU) and 4K (25% GPU) the pair is balanced, so this is a good match for a 1440p monitor.

Is the Ryzen 5 5600X good enough for the RTX 3070 at 1440p?

Yes. At 1440p the bottleneck is 3% CPU, which is in the balanced range, so you get close to the card’s full speed.

How many FPS does the Ryzen 5 5600X with the RTX 3070 get?

On High settings we estimate about 98 FPS at 1080p and 72 FPS at 1440p on average across nine demanding games, for example 68 FPS in Cyberpunk 2077 at 1440p and 140 FPS in Fortnite at 1080p.

Should I upgrade the CPU or the GPU first?

The CPU. The graphics card already has spare power, so a faster GPU would add little until the processor is faster.

What power supply do I need for the Ryzen 5 5600X and RTX 3070?

About 550 W from a good brand with an 80 Plus Gold rating. That covers the CPU (up to about 88 W), the graphics card (about 220 W), the rest of the system and some headroom.

All CPU and GPU pair results

Keep exploring

Sources: Tom’s Hardware GPU hierarchy, Tom’s Hardware CPU hierarchy, TechSpot CPU and GPU scaling tests, TechPowerUp GPU database, and manufacturer specifications from AMD, Intel and NVIDIA. Bottleneck and FPS figures come from our own bottleneck and FPS models.