RTX 2080 vs RX 6700 XT: Which Graphics Card Should You Buy?

For most gamers the RX 6700 XT is the better buy: it is faster in traditional rasterized games, carries 12 GB of VRAM instead of 8 GB, and supports PCIe 4.0, while the RTX 2080 only makes sense if you want DLSS upscaling in supported games, or you can get one used for clearly less money than a 6700 XT. Both cards are now well behind the current RTX 50 and Radeon RX 9000 generations, so this is a used-market or budget-upgrade decision, not a choice between flagship products.

The two cards land closer than their launch prices suggest. The RTX 2080 was a $699 high-end Turing card in 2018. The RX 6700 XT arrived in 2021 at $479 as AMD’s upper-midrange RDNA 2 part. Two and a half years of progress let the cheaper Radeon pass the older GeForce in most games, but Nvidia’s feature set still keeps the RTX 2080 relevant in certain situations.

Spec Sheet Side by Side

The RTX 2080 has the wider bus and more raw bandwidth on paper. The RX 6700 XT makes up for its narrower 192-bit bus with 96 MB of Infinity Cache, which keeps frequently used data on the chip and reduces trips to VRAM. That cache works best at 1080p and 1440p and loses some effectiveness at 4K, which matters later in this comparison.

Rasterized Gaming: The Radeon Pulls Ahead

In TechPowerUp’s launch review of the RX 6700 XT, the Radeon landed just behind the RTX 3070 and nearly level with the RTX 2080 Ti across a 22-game suite. Since the RTX 2080 Ti is itself a clear step above the plain RTX 2080, that places the RX 6700 XT roughly 15-25% ahead of the RTX 2080 in typical rasterized games at 1080p and 1440p. AMD’s own launch material also positioned the card ahead of the RTX 2080 Super, which is consistent with the independent data.

In practice that gap means the difference between a game hovering around 60 fps and one sitting comfortably in the 70s. As a rough guide, and keeping in mind that numbers vary with settings, CPU and game patch:

• 1080p high/ultra: both cards run most current titles above 60 fps, with the RX 6700 XT frequently in a higher band, often around 80-120 fps in less demanding games.
• 1440p high: this is the RX 6700 XT’s home turf. Many modern titles land in a 60-90 fps range on the Radeon, while the RTX 2080 tends to sit a step lower.
• 4K: neither is a native 4K card. The Radeon’s lead narrows somewhat here because Infinity Cache hit rates fall, and both need upscaling for playable frame rates in recent releases.

Ray Tracing and Upscaling

Ray tracing is where the older GeForce fights back. TechPowerUp noted that the RX 6700 XT’s ray tracing performance varied a lot between games and summarised it as roughly RTX 2080-class. So with ray tracing enabled, the Radeon’s raster advantage largely disappears and the two cards trade wins depending on the title. In heavier path-traced or RT-heavy games, neither card is a strong performer, and turning ray tracing down or off is the realistic choice on both.

Upscaling is the bigger differentiator. The RTX 2080 has Tensor cores and supports DLSS Super Resolution, including the newer transformer-based model introduced with DLSS 4, which can be enabled on RTX 20-series cards. That generally produces cleaner image quality than older FSR versions at the same internal resolution. What the RTX 2080 cannot run is DLSS Frame Generation, which requires RTX 40 or newer.

The RX 6700 XT relies on FSR. It supports FSR 2 and FSR 3, including FSR 3 frame generation in games that implement it, plus AMD Fluid Motion Frames at the driver level for many DirectX 11 and 12 games. FSR 4, the machine-learning version, is aimed at RDNA 4 (RX 9000) hardware, so the RX 6700 XT does not get its best image quality. Because FSR 3 frame generation is vendor-agnostic, the RTX 2080 can also use it where games offer it.

Summary: if you play a lot of DLSS-supported titles at 1440p and care about image quality while upscaling, the RTX 2080 is more competitive than its raw raster numbers suggest. If you prefer running native resolution, the RX 6700 XT is simply faster.

VRAM Headroom: 8 GB vs 12 GB

This is the long-term argument for the Radeon. Recent games increasingly exceed 8 GB at high or ultra texture settings, even at 1080p, and stutter or texture pop-in shows up when the buffer overflows. A practical rule of thumb for current releases:

• 1080p: 8 GB works, but high texture presets in demanding games can already push past it.
• 1440p: 10-12 GB is the comfortable level for high settings; 8 GB often forces lower texture quality.
• 4K: 12 GB or more is preferable, though neither card has the shader power for native 4K in new games.

The RX 6700 XT’s 12 GB gives it more room to keep texture quality high as games get heavier. On the RTX 2080, expect to drop textures a notch in some newer titles to avoid stutter, which reduces how much of its DLSS advantage you can enjoy.

Cost per Frame: A Worked Example

Using launch MSRPs and an approximate performance index (RX 6700 XT = 100, RTX 2080 = about 82, the midpoint of the 15-25% raster gap from published reviews):

• RTX 2080: $699 / 82 = about $8.50 per performance point at launch
• RX 6700 XT: $479 / 100 = about $4.80 per performance point at launch

At launch the Radeon delivered nearly twice the raster value. Today both are bought used, so the same math applies with current prices: if a used RTX 2080 costs 82% of a used RX 6700 XT, value is roughly equal on raster alone, and anything cheaper than that tilts toward the GeForce. In the current used market the RTX 2080 usually sells for around $150-$220, while the RX 6700 XT tends to sit around $180-$250, so the gap in value is narrower than at launch.

Power, PSU and Case Fit

Power draw is similar. The RTX 2080 is rated at 215 W and the RX 6700 XT at 230 W, and both use one 6-pin plus one 8-pin connector on reference designs (some partner cards use two 8-pins). A quick PSU sizing calculation:

• RTX 2080: 215 W GPU + ~125 W for a mainstream gaming CPU + ~150 W headroom = about 490 W, so a quality 550 W unit is sensible.
• RX 6700 XT: 230 W + ~125 W + ~150 W = about 505 W, so again a quality 550 W unit, with 650 W for factory-overclocked models or higher-end CPUs.

Both reference designs measure 267 mm and occupy two slots, so they fit most mid-tower cases. Partner cards vary, and some triple-fan RX 6700 XT models are longer and thicker, so check your case’s GPU clearance before buying a specific model.

Platform matters slightly. The RTX 2080 is PCIe 3.0 x16 and loses nothing on an older board. The RX 6700 XT is PCIe 4.0 x16, which also runs fine in a PCIe 3.0 slot because it has a full x16 link. It also benefits from Resizable BAR (Smart Access Memory) on supported platforms.

Which One to Pick

If neither used option appeals, current entry-level cards such as the Radeon RX 9060 XT, GeForce RTX 5060 or Intel Arc B580 offer warranty coverage and newer features like FSR 4, DLSS Multi Frame Generation or XeSS 2, and are worth comparing against used prices.

Used-Market Buying Notes

Both cards are several years old, so condition matters more than model choice. Ask whether the card was used for cryptocurrency mining (common with RX 6700 XT cards from 2021-2022), check fan noise and temperatures under load, and confirm that the cooler has not been repasted badly. Prices change week to week, but a used RTX 2080 usually trades below a used RX 6700 XT, reflecting the performance and VRAM gap.

Frequently Asked Questions

Is the RX 6700 XT faster than the RTX 2080?

Yes, in most rasterized games. Published review data from TechPowerUp places the RX 6700 XT near RTX 2080 Ti level, which works out to roughly 15-25% ahead of the RTX 2080 at 1080p and 1440p. With ray tracing enabled, the two cards are much closer.

Can the RTX 2080 use DLSS 4?

The RTX 2080 supports DLSS Super Resolution, including the transformer model that arrived with DLSS 4. It does not support DLSS Frame Generation or Multi Frame Generation, which need RTX 40 or RTX 50 hardware. It can still use FSR 3 frame generation in games that offer it.

Is 8 GB of VRAM still enough in 2026?

For 1080p with medium-to-high textures, 8 GB is workable in most games. At 1440p or with ultra textures, several recent titles exceed 8 GB and stutter. The RX 6700 XT’s 12 GB gives noticeably more breathing room.

What power supply do I need for either card?

A quality 550 W power supply covers either card with a mainstream CPU. Go to 650 W for overclocked partner models or a high-power CPU. Both reference cards use one 6-pin and one 8-pin PCIe power connector.

Does the RX 6700 XT support FSR 4?

FSR 4 is designed for RDNA 4 Radeon RX 9000 cards, so the RX 6700 XT relies on FSR 2 and FSR 3 instead. It also supports AMD Fluid Motion Frames for driver-level frame generation in many games.

Should I upgrade from an RTX 2080 to an RX 6700 XT?

It is a sidegrade more than an upgrade. You gain some raster performance and 4 GB of VRAM, but lose DLSS. A move to a current-generation card would deliver a much larger improvement for the money.