Technologies
GeForce RTX 4080 Review: Sufficiently Speedy for Solid 4K
Though $1,200 may not be «on a budget,» for more-than-just-playable 4K it’s a reasonable deal. At least at the moment.

Though the Nvidia GeForce RTX 4090may be the first flagship of the company’s Ada Lovelace-architecture gaming GPU line, the step-down RTX 4080 should attract more potential buyers, if only because its $1,200 price tag is $400 lower than the 4090’s (though that will vary by board manufacturer). And if you want to save money but still get solid 4K gameplay or smoother streaming out of your graphics card, the RTX 4080 is definitely your best bet — for the moment.
A lot depends upon how well AMD’s newest RDNA 3-architecture RX 7900 XTX performs (or the 7900 XT at $899), since it will directly compete with the RTX 4080 at a lower $1,000 figure. We won’t know that until mid-December, though, since that’s when it’s expected to ship. And the rest of the RTX 40-series, from the RTX 4070 down, remains somewhat of a mystery; if the «unlaunched» 12GB model of the RTX 4080 indeed becomes the RTX 4070, I’d place that as a top-end 1440p card or bare-bones 4K.
Like
- Really fast
- Lifts performance of everything, not just games and applications that specifically support the new algorithms
- Relatively quiet
Don’t Like
- Big
- Relatively expensive
- Using the power adapter requires more clearance than you might have
In fact, the RTX 40 series thus far seems to be a notable leap over the 30 series, not just in frame rates but in ray tracing and latency performance improvements, as well as improved performance consistency in general. Enough of a leap that if you’re on the fence about upgrading from a 30 series card, it might tip you into the greener pasture. (Here’s a summary of all the updates the 40 series brings to the line.)
But it might merit waiting if you need to save even more or aren’t quite set up for 4K gaming — you really want a powerful CPU and system with a high-bandwidth (PCIe 4 or later) GPU slot, not just a 4K monitor, or you won’t get as much out of the new GPU as you’d expect. The two 40-series cards I’ve tested are not only faster with significantly lower latency, but they also seem to rely on the CPU far more than the 30 series.
Nvidia GeForce RTX 4080 Founders Edition specs
Memory | 16GB GDDR6X |
---|---|
Memory bandwidth (GBps) | 716.9 |
Memory clock (GHz) | 11.2 |
GPU clock (GHz, base/boost) | 2.21/2.51 |
Memory data rate/Interface | 22Gbps / 256-bit |
RT cores | 76 |
CUDA cores | 9,728 |
Texture mapping units | 304 |
Streaming multiprocessors | 76 |
Tensor Cores | 304 |
Process | 4nm |
TGP/min PSU | 320W / 750W |
Max thermal (degrees) | 194F/90C |
Bus | PCIe 4.0×16 |
Size | 3 slots; 12.0×5.4 in. (304x137mm) |
Launch price | $1,200 |
Ship date | Nov. 15, 2022 |
And if you’re upgrading from an RTX 3080 Ti, you might even need a new case to fit the RTX 4080. The latter is a three-slot card, longer and higher than the former — in fact, it’s the same size as the RTX 4090. Since it’s higher, if you’re using the three-headed power adapter, there needs to be sufficient clearance to keep it from bending too much near the connector. There have been isolated reports of, well, melting.


The RTX 4080 is as fat as the RTX 4090, which is the same size as an Xbox Series S.
Lori Grunin/CNETFor gamers who use DLSS, the card still delivers a lift in DLSS 2 as well as an even better bump with DLSS 3. For games that support the latter, if you run in Performance mode on the RTX 4080 it can deliver the same frame rate as the RTX 4090 in Quality mode, though whether the drop in quality (if there is one) depends upon the game, your visual acuity and how much you care. It’s definitely a tradeoff to consider if you’re on a budget.
Only 10 games with DLSS 3 support are available as of the launch of the RTX 4080:
- A Plague Tale: Requiem
- Bright Memory: Infinite
- Destroy All Humans! 2 — Reprobed
- F.I.S.T.: Forged in Shadow Torch
- F1 22
- Justice
- Loopmancer
- Marvel’s Spider-Man Remastered
- Microsoft Flight Simulator
- Super People
Of course that number will grow over time, but until it does, you still need to think about DLSS 2 performance.
Pending formal encoder testing, I can say that it seems like the AV1 encode/decode bump makes a difference, at least in OBS (one of the few applications that have thus far added support, since it requires the use of a different Nvidia codec) where it handled recording a stream well enough in 4K. But it’s early days, and it can be persnickety about the settings to do so successfully. Not a deal-breaker, but an annoyance. DaVinci supports them, but as yet Adobe Premiere Pro doesn’t seem to. For 3D-based pro graphics applications, at least as measured by SpecViewPerf 2020, there are the usual generational and 4090-over-4080 performance differences.
While the RTX 4080 isn’t as fast as the RTX 4090 with all the stops pulled out, nor would you expect it to be, on a lot of games where the shiny and the detail are more important than speed, the RTX 4080 should do them justice in 4K for less cash. Whether or not it’s the best deal out there for the job may change over the next couple of months, as AMD ships and CES announcements arrive.
Relative performance of recent GPUs
Shadow of the Tomb Raider gaming test (4K)
Note:
Longer bars indicate better performance (FPS)
3DMark Fire Strike Ultra
Note:
Longer bars indicate better performance
SpecViewPerf 2020 SolidWorks (4K)
Note:
Longer bars indicate better performance (FPS)
3DMark Speed Way (DX12 Ultimate)
Note:
Longer bars indicate better performance
3DMark DXR (DirectX Ray Tracing)
Note:
Longer bars indicate better performance (FPS)
3DMark DLSS
Note:
Longer bars indicate better performance (FPS)
Test PC configuration
Custom PC | Microsoft Windows 11 Pro (22H2); 3.2GHz Intel Core i9-12900K; 32GB DDR5-4800; 2x Corsair MP600 Pro SSD; Corsair HX1200 80 Plus Platinum PSU, MSI MPG Z690 Force Wi-Fi motherboard, Corsair 4000D Airflow midtower case |
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Technologies
Fit a Massive 130-Inch Screen in Your Pocket With These $299 Xreal AR Glasses
The Air 2s feature USB-C connectivity and a built-in sound system, and you can grab them at a record-low price right now.

Enjoying your favorite movies, shows and games on the go just got a whole lot easier. These Xreal Air 2 AR glasses allow you to fit a massive 130-inch display in your pocket, and right now you can snag yourself a pair at an all-time low price. Amazon now has them on sale for $299, which is a $60 discount. There’s no telling how long this deal will last, so you may want to get your order in soon if you don’t want to miss out on these savings.
These augmented reality glasses have some pretty impressive specs and features considering they weigh in at just 72 grams. They’re come with 0.55-inch micro OLED panels, which allows you to enjoy your content on a massive 130-inch spatial display. They boast 1080p HD resolution, 500 nits of brightness and a 120Hz refresh rate for smooth performance, making them a solid option for gaming. Plus, they’re easy to connect to your phone, laptop or game console with a USB-C video input. You can also connect them to devices with an HDMI port, but you’ll need a separate adapter. They’re also equipped with built-in speakers so you can be fully immersed.
Why this deal matters
VR and AR devices are getting more affordable every day, but they still aren’t exactly cheap. Deals on cutting-edge tech like these Xreal Air 2 glasses don’t come around very often, so a chance to grab yourself a pair at a record-low price is a bargain you’ll want to jump on while you can.
Technologies
Here’s an Image of the Asteroid Everyone Was Worried About
NASA’s James Webb Space Telescope captured a glimpse of the asteroid that had a chance of impacting Earth three months ago.

It’s not every day that an asteroid causes as much buzz as 2024 YR4. At one point, the asteroid had a 3.1% chance of hitting Earth, creating plenty of headlines about its potential impact. The threat is all but gone, but now we have pictures of the once-worrisome asteroid.
The imagery was captured by NASA’s James Webb Space Telescope and posted by the European Space Agency on Wednesday. The JWST captured the asteroid with two of its cameras, including the Near-Infrared Camera and the Mid-Infrared Instrument. The former measures reflected light, while the latter shows thermal energy.
The pictures demonstrate a couple of fun facts about the asteroid. It is the smallest object ever targeted by JWST’s instruments to date, and it’s one of the smallest objects ever directly measured. Estimates initially put the asteroid at around 40 to 90 meters. The actual size turned out to be 60 meters or around 180 feet.
«These measurements indicate that this asteroid does not share properties observed in larger asteroids,» the ESA said in its blog post. «This is likely a combination of its fast spin and lack of fine-grained sand on its surface. Further research is needed, however, this is considered consistent with a surface dominated by rocks that are roughly fist-sized or larger.»
Per NASA, the asteroid will only be visible from Earth for a little longer. The asteroid’s orbit is currently taking it away from Earth, and the agency estimates that it’ll disappear from even the strongest instruments by late April or early May. It won’t be visible again until 2028 when its orbit brings it back toward Earth.
The moon, on the other hand…
The 2024 YR4 asteroid caused quite a stir when astronomers first reported it via the Minor Planet Center in December 2024. Based on the data collected on its trajectory at that point, the asteroid had a 1.3% chance of hitting Earth.
The percentage fluctuated over the next few months, reaching as high as 3.1%. After further research, the odds dropped dramatically to 0.28%. Per NASA’s Sentry tool — which monitors asteroids that may impact Earth — the threat now sits at 0.00078%.
The moon may not be so lucky. Per NASA, the odds of the asteroid impacting the moon are somewhere around 3.8%, which is even higher odds than the asteroid ever had of impacting Earth. Scientists are gathering data before the asteroid disappears, but it’s likely we won’t know more until the asteroid comes back into view in 2028.
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