GTX 1660 Super Bottleneck Calculator

The NVIDIA GeForce GTX 1660 Super is a Turing graphics card with 6 GB of VRAM, launched in 2019. Use this page as a bottleneck detector for the GTX 1660 Super: 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. This page also covers the GTX 1660 Ti, which perform the same in games.

Check the GTX 1660 Super 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.

GTX 1660 Super specs that matter for bottlenecks

VRAM	6 GB
Memory bus	192-bit
Architecture	Turing
Board power	125 W
Launched	2019
PCPartGuide index 1080p / 1440p / 4K	24 / 19 / 13 (100 = RTX 5090)
Typical price	under $200 class

For frame rate, the GTX 1660 Super's compute throughput sets its ceiling; VRAM decides whether that ceiling holds at high texture settings and resolutions.

Which CPUs bottleneck the GTX 1660 Super?

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
	68% GPU	84% GPU	94% GPU	42
	67% GPU	83% GPU	94% GPU	42
	66% GPU	83% GPU	94% GPU	42
	64% GPU	82% GPU	93% GPU	42
	64% GPU	82% GPU	93% GPU	42
	62% GPU	81% GPU	93% GPU	42
	61% GPU	80% GPU	93% GPU	42
	60% GPU	80% GPU	93% GPU	42
	60% GPU	80% GPU	93% GPU	42
	59% GPU	80% GPU	92% GPU	42
	59% GPU	80% GPU	92% GPU	42
	59% GPU	80% GPU	92% GPU	42
	58% GPU	79% GPU	92% GPU	42
	58% GPU	79% GPU	92% GPU	42
	58% GPU	79% GPU	92% GPU	42
	58% GPU	79% GPU	92% GPU	42
	57% GPU	78% GPU	92% GPU	42
	57% GPU	78% GPU	92% GPU	42
	57% GPU	78% GPU	92% GPU	42
	57% GPU	78% GPU	92% GPU	42
	57% GPU	78% GPU	92% GPU	42
	56% GPU	78% GPU	92% GPU	42
	56% GPU	78% GPU	92% GPU	42
	55% GPU	77% GPU	92% GPU	42
	56% GPU	78% GPU	92% GPU	42
	56% GPU	78% GPU	92% GPU	42
	55% GPU	77% GPU	92% GPU	42
	53% GPU	76% GPU	91% GPU	42
	54% GPU	77% GPU	91% GPU	42
	54% GPU	77% GPU	91% GPU	42
	54% GPU	77% GPU	91% GPU	42
	52% GPU	76% GPU	91% GPU	42
	52% GPU	76% GPU	91% GPU	42
	52% GPU	76% GPU	91% GPU	42
	51% GPU	75% GPU	91% GPU	42
	49% GPU	74% GPU	91% GPU	42
	49% GPU	74% GPU	91% GPU	42
	47% GPU	73% GPU	90% GPU	42
	46% GPU	73% GPU	90% GPU	42
	48% GPU	74% GPU	90% GPU	42
	48% GPU	74% GPU	90% GPU	42
	45% GPU	72% GPU	90% GPU	42
	44% GPU	72% GPU	90% GPU	42
	43% GPU	71% GPU	89% GPU	42
	43% GPU	71% GPU	89% GPU	42
	42% GPU	71% GPU	89% GPU	42
	42% GPU	71% GPU	89% GPU	42
Ryzen 5 5600	41% GPU	70% GPU	89% GPU	42
	43% GPU	71% GPU	89% GPU	42
	40% GPU	70% GPU	89% GPU	42
	40% GPU	70% GPU	89% GPU	42
	41% GPU	70% GPU	89% GPU	42
	37% GPU	68% GPU	88% GPU	42
	37% GPU	68% GPU	88% GPU	42
	37% GPU	68% GPU	88% GPU	42
	36% GPU	68% GPU	88% GPU	42
	34% GPU	67% GPU	88% GPU	42
	34% GPU	67% GPU	88% GPU	42
	33% GPU	66% GPU	88% GPU	42
	33% GPU	66% GPU	88% GPU	42
	32% GPU	66% GPU	87% GPU	42
	32% GPU	66% GPU	87% GPU	42
	32% GPU	66% GPU	87% GPU	42
	30% GPU	65% GPU	87% GPU	42
	30% GPU	65% GPU	87% GPU	42
	29% GPU	64% GPU	87% GPU	42
Ryzen 5 3600	27% GPU	63% GPU	86% GPU	42
	26% GPU	63% GPU	86% GPU	42
	22% GPU	61% GPU	85% GPU	42
	20% GPU	60% GPU	85% GPU	42
	16% GPU	58% GPU	84% GPU	42
	16% GPU	58% GPU	84% GPU	42
	16% GPU	58% GPU	84% GPU	42
	16% GPU	58% GPU	84% GPU	42
	12% GPU	56% GPU	84% GPU	42
	balanced	54% GPU	83% GPU	42
	balanced	53% GPU	83% GPU	42
	balanced	52% GPU	82% GPU	42
	balanced	49% GPU	81% GPU	42
	balanced	47% GPU	81% GPU	42

Best CPUs for the GTX 1660 Super by resolution

Resolution	Budget (under $300)	Mid-range ($300–600)	High-end ($600+)
1080p	Ryzen 5 2600 ~84 fps · balanced	no balanced option	no balanced option
1440p	no balanced option	no balanced option	no balanced option
4K	no balanced option	no balanced option	no balanced option

Balanced at 1440p: none of the listed processors keep this card fully fed. Picks favour the most frames per dollar inside each price class; prices are typical street prices, not live quotes.

See GTX 1660 Super pricesAffiliate link: if you buy through it we may earn a commission at no extra cost to you.

Estimated FPS with the GTX 1660 Super and a Ryzen 7 9800X3D

Game	1080p	1440p	4K	Limiter at 1080p
Fortnite (Performance mode)	251	127	47	GPU
Valorant	452	229	85	GPU
Counter-Strike 2	244	123	46	GPU
Apex Legends	139	70	26	game cap
Call of Duty: Warzone	90	46	17	GPU
Marvel Rivals	63	32	12	GPU
Rainbow Six Siege	264	134	49	GPU
Minecraft (Java)	487	246	91	GPU
Roblox	240	176	65	game cap
GTA V	118	60	22	GPU
Rust	70	35	13	GPU
Cyberpunk 2077	63	32	12	GPU
Helldivers 2	63	32	12	GPU
Elden Ring	60	42	16	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 6 GB of VRAM enough?

6GB is tight even at 1080p in current AAA titles: keep textures at medium and avoid ray tracing on the GTX 1660 Super.

Signs the GTX 1660 Super is your bottleneck

A GTX 1660 Super bottleneck is the normal state: GPU usage sits at 97–100% and the frame rate scales directly with resolution and settings.

With 6GB of VRAM the GTX 1660 Super can hit a memory limit before it hits a compute limit at 1440p and above: sudden stutter and texture pop-in are the giveaway, not a low average.

The GTX 1660 Super predates modern upscaling quality and frame generation, so the usual "turn on DLSS/FSR" escape hatch is weaker here.

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 GTX 1660 Super

The next sensible step from the GTX 1660 Super is the RTX 2060 (about 26% more performance at 1440p); the RTX 2060 Super is the biggest jump worth considering in the same price class or one above.

RTX 2060 — about 26% faster at 1440p, under $200 class.
Arc A580 — about 21% faster at 1440p, under $200 class.
RTX 2060 Super — about 42% faster at 1440p, $200–300 class.

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

GTX 1660 Super bottleneck FAQ

What CPU do I need for the GTX 1660 Super?

The GTX 1660 Super is fast enough that only the quickest processors keep it fully fed at 1440p; at 4K almost any modern six-core CPU is enough.

Does the Ryzen 7 9800X3D bottleneck the GTX 1660 Super?

At 1080p the GTX 1660 Super is heavily GPU-bound (68%). The Ryzen 7 9800X3D has a lot of unused headroom, so a much faster graphics card would pay off without touching the processor. At 4K the GTX 1660 Super is heavily GPU-bound (94%). 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 GTX 1660 Super good for 4K?

Not at native high settings: about 16 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 6 GB enough in 2026?

6GB is tight even at 1080p in current AAA titles: keep textures at medium and avoid ray tracing on the GTX 1660 Super.

Is the GTX 1660 Super worth upgrading to?

Coming from a GTX 1650 Super, the GTX 1660 Super is about 27% 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 GTX 1660 Super pairings

Ryzen 5 5600 + GTX 1660 Super1440p: 70% GPU-bound · ~42 fps Ryzen 5 3600 + GTX 1660 Super1440p: 63% GPU-bound · ~42 fps

Try the calculator with your exact parts

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

Open the bottleneck calculator