RTX 4070 Bottleneck Calculator

The NVIDIA GeForce RTX 4070 is a Ada Lovelace graphics card with 12 GB of VRAM, launched in 2023. Use this page as a bottleneck detector for the RTX 4070: pick any processor and you get the bottleneck direction and percentage at 1080p, 1440p and 4K, estimated FPS in 14 games, and the best-value CPU matches.

Check the RTX 4070 with your processor

Data version 2026.09 · methodology

Processor (CPU)

Graphics card (GPU)

Memory (RAM)

Resolution

More options: game and monitor refresh rate

Game or workload

Monitor refresh rate

Estimates for the selected game and resolution with the settings noted on the methodology page. Real results vary by map, drivers and settings.

RTX 4070 specs that matter for bottlenecks

VRAM	12 GB
Memory bus	192-bit
Architecture	Ada Lovelace
Board power	200 W
Launched	2023
PCPartGuide index 1080p / 1440p / 4K	56 / 49 / 40 (100 = RTX 5090)
Typical price	$400–600 class

For frame rate, the RTX 4070's compute throughput sets its ceiling; VRAM decides whether that ceiling holds at high texture settings and resolutions.

Which CPUs bottleneck the RTX 4070?

Typical modern AAA game, high settings, no upscaling, with a matching dual-channel RAM kit. A CPU percentage means the processor limits the pair; a GPU percentage means the graphics card does (the normal state). Rows with a link have a full page; the others run in the calculator above.

Processor	1080p	1440p	4K	fps 1440p
	24% GPU	58% GPU	81% GPU	109
	24% GPU	57% GPU	81% GPU	109
	21% GPU	56% GPU	81% GPU	109
	16% GPU	53% GPU	79% GPU	109
	15% GPU	53% GPU	79% GPU	109
	11% GPU	50% GPU	78% GPU	109
	balanced	50% GPU	78% GPU	109
	balanced	48% GPU	77% GPU	109
	balanced	48% GPU	77% GPU	109
	balanced	47% GPU	77% GPU	109
	balanced	47% GPU	77% GPU	109
	balanced	47% GPU	77% GPU	109
	balanced	46% GPU	76% GPU	109
	balanced	46% GPU	76% GPU	109
	balanced	45% GPU	76% GPU	109
	balanced	45% GPU	76% GPU	109
Ryzen 5 9600X	balanced	44% GPU	75% GPU	109
Ryzen 9 7950X	balanced	44% GPU	75% GPU	109
	balanced	44% GPU	75% GPU	109
Core i5-13600K	balanced	44% GPU	75% GPU	109
Ryzen 9 7900X	balanced	44% GPU	75% GPU	109
Core Ultra 5 245K	balanced	43% GPU	75% GPU	109
Ryzen 7 7700X	balanced	43% GPU	75% GPU	109
Ryzen 7 5800X3D	balanced	41% GPU	74% GPU	109
Ryzen 7 7700	balanced	42% GPU	74% GPU	109
Core i9-12900K	balanced	42% GPU	74% GPU	109
Ryzen 5 7600X	balanced	41% GPU	74% GPU	109
Ryzen 7 5700X3D	balanced	39% GPU	73% GPU	109
Ryzen 5 7600	balanced	41% GPU	74% GPU	109
Core i7-12700K	balanced	41% GPU	74% GPU	109
Ryzen 5 7500F	balanced	40% GPU	73% GPU	109
Core i5-14400F	10% CPU	38% GPU	73% GPU	109
	11% CPU	37% GPU	72% GPU	109
Core i5-12600K	11% CPU	37% GPU	72% GPU	109
	13% CPU	36% GPU	72% GPU	109
	15% CPU	34% GPU	71% GPU	109
	15% CPU	34% GPU	71% GPU	109
	19% CPU	31% GPU	70% GPU	109
	20% CPU	30% GPU	69% GPU	109
Core i5-12400F	18% CPU	32% GPU	70% GPU	109
	18% CPU	32% GPU	70% GPU	109
	22% CPU	29% GPU	69% GPU	109
	23% CPU	27% GPU	68% GPU	109
	24% CPU	26% GPU	67% GPU	109
	24% CPU	26% GPU	67% GPU	109
Ryzen 5 5600X	26% CPU	25% GPU	67% GPU	109
	26% CPU	25% GPU	67% GPU	109
Ryzen 5 5600	27% CPU	24% GPU	66% GPU	109
	25% CPU	26% GPU	67% GPU	109
	28% CPU	22% GPU	66% GPU	109
	28% CPU	22% GPU	66% GPU	109
	27% CPU	23% GPU	66% GPU	109
	32% CPU	18% GPU	64% GPU	109
	32% CPU	18% GPU	64% GPU	109
	32% CPU	18% GPU	64% GPU	109
	33% CPU	16% GPU	63% GPU	109
	35% CPU	15% GPU	62% GPU	109
	35% CPU	15% GPU	62% GPU	109
	36% CPU	13% GPU	62% GPU	109
	36% CPU	13% GPU	62% GPU	109
	37% CPU	11% GPU	61% GPU	109
	37% CPU	11% GPU	61% GPU	109
	37% CPU	11% GPU	61% GPU	109
	38% CPU	balanced	60% GPU	109
	38% CPU	balanced	60% GPU	109
	40% CPU	balanced	59% GPU	109
	41% CPU	balanced	58% GPU	109
	42% CPU	balanced	57% GPU	109
	45% CPU	balanced	55% GPU	108
	46% CPU	balanced	54% GPU	105
	49% CPU	balanced	52% GPU	100
	49% CPU	balanced	52% GPU	100
	49% CPU	balanced	52% GPU	100
	49% CPU	balanced	52% GPU	100
	51% CPU	13% CPU	49% GPU	95
	53% CPU	15% CPU	48% GPU	93
	54% CPU	17% CPU	47% GPU	90
	55% CPU	20% CPU	45% GPU	88
	58% CPU	24% CPU	42% GPU	83
	59% CPU	26% CPU	40% GPU	80

Best CPUs for the RTX 4070 by resolution

Resolution	Budget (under $300)	Mid-range ($300–600)	High-end ($600+)
1080p	Ryzen 7 9700X ~195 fps · balanced	Core i7-13700K ~195 fps · balanced	Ryzen 9 9950X3D ~195 fps · 24% GPU
1440p	Core i3-12100F ~109 fps · 23% GPU	no balanced option	no balanced option
4K	no balanced option	no balanced option	no balanced option

Balanced at 1440p: Ryzen 5 5500, Ryzen 7 3700X, Ryzen 5 3600X, Ryzen 5 3600, Core i5-9400F, Core i5-8400. Picks favour the most frames per dollar inside each price class; prices are typical street prices, not live quotes.

See RTX 4070 pricesAffiliate link: if you buy through it we may earn a commission at no extra cost to you.

Estimated FPS with the RTX 4070 and a Core i3-12100F

Game	1080p	1440p	4K	Limiter at 1080p
Fortnite (Performance mode)	231	231	144	CPU
Valorant	330	330	260	CPU
Counter-Strike 2	275	275	140	CPU
Apex Legends	176	176	80	game cap
Call of Duty: Warzone	143	118	52	CPU
Marvel Rivals	138	82	36	balanced
Rainbow Six Siege	303	303	152	CPU
Minecraft (Java)	385	385	280	CPU
Roblox	240	240	200	game cap
GTA V	154	154	68	CPU
Rust	121	91	40	CPU
Cyberpunk 2077	132	82	36	balanced
Helldivers 2	127	82	36	CPU
Elden Ring	60	60	48	game cap

High settings, no upscaling, dual-channel RAM. Competitive titles are shown at their usual reduced settings. Estimates, not benchmarks: see the methodology.

Is 12 GB of VRAM enough?

12GB covers 1440p comfortably on the RTX 4070; at 4K with ray tracing and frame generation it is the first thing to run out.

Signs the RTX 4070 is your bottleneck

A RTX 4070 bottleneck is the normal state: GPU usage sits at 97–100% and the frame rate scales directly with resolution and settings.

Its 12GB of VRAM is enough for 1440p today, but ray tracing plus frame generation at 4K can push it to the edge.

How to confirm it on your own PC: reading CPU and GPU usage correctly. Fixes: how to fix a GPU bottleneck.

Upgrade paths from the RTX 4070

The next sensible step from the RTX 4070 is the RX 9070 XT (about 31% more performance at 1440p); the RTX 5070 Ti is the biggest jump worth considering in the same price class or one above.

RX 9070 XT — about 31% faster at 1440p, $600–800 class.
RX 7900 XT — about 22% faster at 1440p, $600–800 class.
RTX 5070 Ti — about 37% faster at 1440p, $600–800 class.

Deciding between a processor and a graphics card? Read upgrade CPU or GPU first.

RTX 4070 bottleneck FAQ

What CPU do I need for the RTX 4070?

At 1440p the RTX 4070 is balanced with Ryzen 5 5500, Ryzen 7 3700X, Ryzen 5 3600X, Ryzen 5 3600 and others. Anything slower starts to limit it at 1080p first.

Does the Ryzen 7 9800X3D bottleneck the RTX 4070?

At 1080p the RTX 4070 is the limiter by 24%, which is the normal, healthy state for a gaming PC. The Ryzen 7 9800X3D keeps up comfortably. At 4K the RTX 4070 is heavily GPU-bound (81%). The Ryzen 7 9800X3D has a lot of unused headroom, so a much faster graphics card would pay off without touching the processor.

Is the RTX 4070 good for 4K?

Not at native high settings: about 48 fps at 4K in a typical modern AAA game. It is a 1080p or 1440p card, or a 4K card with upscaling and reduced settings.

Is 12 GB enough in 2026?

12GB covers 1440p comfortably on the RTX 4070; at 4K with ray tracing and frame generation it is the first thing to run out.

Is the RTX 4070 worth upgrading to?

Coming from a RTX 2080 Ti, the RTX 4070 is about 23% faster at 1440p in our index, which is the point where an upgrade is clearly felt. From anything within 20% of it, wait a generation.

Popular RTX 4070 pairings

Try the calculator with your exact parts

RAM kit, resolution, game and refresh rate all change the answer.

Open the bottleneck calculator