RTX 3080 vs RTX 4070
The complete head-to-head: full specs, real per-game FPS with 1% lows, ray tracing, a live CPU-bottleneck check, thermals, power and value, with a straight verdict.
GeForce RTX 3080
GeForce RTX 4070
avg, 1080p
The short answer
These two are closer than the two-generation gap suggests. The RTX 3080's wider 320-bit bus and higher core count give it a small, roughly 4% edge in raw 1080p raster, no upscaling involved. The RTX 4070 answers with 120 fewer watts, faster ray tracing cores, DLSS 3 Frame Generation, and 12 GB of VRAM against the 3080's 10 GB. For most buyers the 4070 is the better all-round card, the 3080 only makes sense if you already own one or land a genuine used bargain.
The RTX 3080 launched in 2020 as the raster powerhouse of its generation, an 8,704-core monster on a wide 320-bit bus. The RTX 4070 arrived nearly three years later as a much more efficient, mid-tier Ada card that trades some brute raw power for architecture gains, ray tracing, and DLSS 3. On paper it looks like an easy win for the newer card, in practice the 3080 still holds its own at native resolution.
This page runs the numbers pair by pair: a 4% raster edge for the 3080 at native resolution against 120 fewer watts and 2 extra gigabytes of VRAM for the 4070, plus per-game frame rates with 1% lows, ray tracing and DLSS results, a CPU-pairing check, thermals, power draw, and pricing history so you can weigh that trade-off yourself.
At a glance
Seven dimensions, two cards. Bigger area is not automatically better, each card owns different corners.
Strengths radar
Each axis scored 0-100 relative to the pair
Performance vs price
Up and to the left is better value
Grey dots are neighbouring cards for context.
Which should you buy?
Pick your use case, the winner changes with what you actually do.
More raw shader power and a wider 320-bit bus give the 3080 a small lead at native resolution with RT and DLSS turned off.
3rd-gen RT cores and DLSS 3 Frame Generation make ray-traced games far more playable on the 4070.
12 GB beats the 3080's 10 GB for local models, and Ada has better current software support in most AI toolchains.
A hardware AV1 encoder gives cleaner streams at the same bitrate and noticeably faster exports.
At 200 W the 4070 fits SFF builds and modest PSUs where the 320 W 3080 needs real headroom.
760 GB/s of bandwidth over a 320-bit bus helps high-resolution emulation cores where the 4070's narrower 192-bit bus can hold it back.
Already own an RTX 3080? Don't rush to the RTX 4070.
Short answer: probably not
A 4% raster deficit is not a real-world downgrade, and in plenty of games the 3080 still wins outright. Spending $400 or more to trade away raw raster speed for efficiency and DLSS 3 only makes sense if ray tracing, Frame Generation, or a quieter, cooler PC genuinely matter to you.
If you do want to move on, a real upgrade is an RTX 4070 Ti Super or RTX 5070 Ti, a jump of 40% or more rather than a sidegrade. Otherwise keep the 3080, it remains a strong 1440p card in 2026.
Full specification comparison
Every spec side by side. The highlighted figure wins each row.
| Specification | RTX 3080 | RTX 4070 |
|---|---|---|
| Architecture | ||
| GPU / architecture | GA102 · Ampere | AD104 · Ada |
| Process node | Samsung 8 nm | TSMC 4N (5 nm) ▲ |
| Release date | Sep 17, 2020 | Apr 13, 2023 |
| Launch MSRP | $699 | $599 ▲ |
| Compute | ||
| CUDA cores | 8,704 ▲ | 5,888 |
| RT cores | 68 · 2nd gen | 46 · 3rd gen ▲ |
| Tensor cores | 272 · 3rd gen | 184 · 4th gen ▲ |
| Base / boost clock | 1440 / 1710 MHz | 1920 / 2475 MHz ▲ |
| L2 cache | 5 MB | 36 MB ▲ |
| Memory | ||
| VRAM | 10 GB GDDR6X | 12 GB GDDR6X ▲ |
| Memory bus | 320-bit ▲ | 192-bit |
| Bandwidth | 760 GB/s ▲ | 504 GB/s |
| Power & form factor | ||
| TDP | 320 W | 200 W ▲ |
| Power connector | 2× 8-pin | 1× 16-pin (12VHPWR) |
| Suggested PSU | 750 W | 650 W ▲ |
| PCIe interface | 4.0 ×16 | 4.0 ×16 |
| Features | ||
| Upscaling | DLSS 2 / Super Res | DLSS 3 + Frame Gen ▲ |
| AV1 encode (NVENC) | No | Yes ▲ |
| Display outputs | 3×DP1.4a · HDMI 2.1 | 3×DP1.4a · HDMI 2.1 |
Average FPS by game
Switch resolution, metric, ray tracing and upscaling, the bars update live. Hover a bar for the avg / 1% / 0.1% breakdown.
Average FPS · 1080p · Rasterization. Representative data, hover a bar for avg / 1% / 0.1%. Note the RTX 4070's 1% lows fall off at 1440p and up from its 8 GB VRAM.
Smoothness & frametimes
Average FPS hides stutter. This is one run plotted as frametime, a flat line is smooth, spikes are hitches. Watch what the RTX 4070's 8 GB VRAM does in a texture-heavy game.
Frametime: Alan Wake 2, 1440p Ultra
Lower and flatter is better · 16.7 ms = 60 fps
Counterintuitive but real: the slower RTX 3080 delivers a smoother line here because 12 GB holds the texture pool the 8 GB RTX 4070 keeps evicting, those spikes are VRAM stutter, not raw speed.
Lab scores
Clean apples-to-apples tests, useful, but weaker at predicting real games than the FPS above.
Ray tracing & upscaling
Ray tracing tanks both cards at native resolution. What makes it playable is upscaling, and here the RTX 4070 has a real edge.
Is frame generation "real" performance?
DLSS 3 Frame Generation inserts an AI-made frame between two real ones, so the on-screen counter can nearly double and motion looks smoother on a high-refresh panel. Those inserted frames do not respond to your input, so latency ticks up slightly, NVIDIA Reflex claws most of it back on the 4070. The RTX 3080 predates DLSS 3 entirely and cannot use it.
Use it for single-player and cinematic games on the 4070, and skip it for competitive shooters or when your base frame rate is under about 50 fps, where the added latency starts to feel off. It only works in the roughly 80-plus games with DLSS 3 support.
Will your CPU bottleneck these cards?
A faster GPU only helps if your CPU keeps up. Pick your CPU and resolution to see expected FPS and bottleneck for each card.
CPU + GPU pairing check
The willitbottleneck engine, built right into the comparison.
Estimated from a 43-CPU model across 1440p. A weak CPU mostly bites at 1080p; at higher resolutions the GPU becomes the limiter and the bottleneck shrinks.
Thermals & noise
The efficiency gap shows up here: the newer card runs cooler and quieter, day in and day out.
Real draw, efficiency & PSU
TDP is the rated figure; what matters is real gaming draw and how many frames you get per watt.
Both use a single 8-pin connector. If your PSU already ran the RTX 3080, it will run the RTX 4070 easily. Leave about 30% headroom for spikes.
Will it fit, and what to pair it with?
Size to scale
Card length matters for small cases
What monitor to pair
RTX 3080: strong at 1440p 144 Hz and playable in most titles at 4K 60 fps without upscaling. RTX 4070: excellent at 1440p 100 Hz and up, and with DLSS 3 it becomes a genuinely good 4K 60 fps card in a wide range of games.
Running an older PCIe 3.0 board?
The RTX 3080 and RTX 4070 both run a full PCIe 4.0 ×16 link, so neither one loses performance on a modern PCIe 4.0 board. Drop either card into an older PCIe 3.0 board instead and expect only a small 1-3% hit, not a practical concern for this pairing.
Price history & dollars-per-frame
Raw price is only half the story. Cost per frame is the number that decides it, and it keeps moving as prices fall.
New price over time
Street price of new cards (USD)
The 10 GB vs 12 GB question
RTX 3080 · 10 GB
- 10 GB was generous in 2020 and still covers most 1080p and 1440p titles at high settings today.
- The 320-bit bus and 760 GB/s of bandwidth keep frame times smooth even as VRAM usage climbs.
- Large Blender and Resolve scenes lean less on system RAM thanks to the wide bus.
- 10 GB is now the tighter number of the two, some 2026 AAA titles at 4K ultra with RT push past it.
RTX 4070 · 12 GB
- 12 GB gives more headroom for 1440p ultra textures and current texture packs than the 3080's 10 GB.
- Local AI and Stable Diffusion batches fit a little more comfortably with the extra 2 GB.
- The 192-bit bus is much narrower than the 3080's 320-bit, so raw bandwidth is lower despite the bigger capacity.
- At 4K, that narrower bus can show up as lower 1% lows in bandwidth-heavy titles compared with the 3080.
Emulation & memory bandwidth
The narrower bus is a real downgrade for emulation
High-resolution emulation, upscaled Switch cores and RPCS3 chief among them, leans hard on memory bandwidth once the internal resolution climbs. The 3080's 760 GB/s over a 320-bit bus comfortably beats the 4070's 504 GB/s over 192-bit, so the older card holds a genuine edge in the most demanding emulation workloads and at the highest internal resolutions.
Creator, AI & streaming
The newer card is quicker per task, but the older card's extra VRAM unlocks larger jobs it can't fit at all.
Streaming: the AV1 encoder is the differentiator
The RTX 4070 has a hardware AV1 encoder, the 3080 tops out at H.264 and HEVC. AV1 delivers visibly cleaner quality at the same bitrate on YouTube and Discord, plus faster exports in AV1-aware editors. Anyone who streams or records regularly should weight this heavily toward the 4070.
Overclocking & undervolting
Neither card has much overclocking headroom left in it, both are already tuned close to their efficiency limits. Undervolting is the better move on both, and the 320 W 3080 has the most to gain in lower temperatures and noise for the same performance.
Pros & cons
RTX 3080
- Faster raw raster at native 1080p and 1440p, no upscaling needed
- 320-bit bus and 760 GB/s bandwidth, the strongest memory subsystem in this pair
- Cheaper both new-old-stock and used
- 320 W draw needs a bigger PSU and runs hotter and louder
- No DLSS 3 Frame Generation, weaker RT cores, no AV1 encoder
RTX 4070
- 200 W draw, DLSS 3 Frame Generation, and 3rd-gen RT cores make it the more modern, efficient card
- 12 GB VRAM and a hardware AV1 encoder for streaming and creator work
- Runs noticeably cooler and quieter under load
- About 4% slower in raw raster at native resolution
- Narrower 192-bit bus can mean lower 1% lows at 4K
Buying pitfalls
Laptop vs desktop, not the same card
Mobile RTX 3080 and RTX 4070 GPUs are separate, lower-power chips with different core counts and clocks than these desktop parts, and their real-world performance does not line up with this page. If you're shopping laptops, use the mobile version of this comparison instead.
Power connector differences
The 3080 uses two standard 8-pin PCIe connectors. Most 4070 cards use the newer 16-pin 12VHPWR connector, sometimes via an included adapter to two 8-pin cables. Confirm your PSU has the right cables or a compatible adapter, and seat 12VHPWR connectors fully to avoid the melting issues reported on early high-draw cards.
RTX 3080 vs RTX 4070: your questions answered
Not on raw raster, the 3080 is about 4% quicker at native 1080p and 1440p with no upscaling. But the 4070 pulls ahead everywhere else that matters day to day: 120 fewer watts, quicker RT cores, DLSS 3 Frame Generation, and 12 GB of VRAM versus 10 GB. Add it up and the 4070 is the stronger all-around buy for most people.
Grab the 3080 only if it's a genuine used bargain and you mostly care about native fps with RT and DLSS switched off. Go with the 4070 if a cooler, quieter build, ray tracing, or Frame Generation matters, it's the more complete card of the two.
It does. It's still a solid 1440p performer and manages 4K in lighter or older titles, and its raw raster speed still edges out today's RTX 4070. It pulls more power than a modern card of similar speed, but it's nowhere near obsolete.
Not for speed, the 4070 is actually a touch slower at native resolution. It's only worth the swap if you specifically want DLSS 3 Frame Generation, lower power draw, or stronger ray tracing. Otherwise save the money toward a bigger jump like an RTX 4070 Ti Super or RTX 5070 Ti.
The 4070 comes out ahead overall. Its 12 GB beats the 3080's 10 GB, it runs newer 4th-gen Tensor cores, and current AI toolchains support Ada better. That said, the 3080's extra memory bandwidth still helps in a handful of rendering workloads.
The 4070, no contest, thanks to its hardware AV1 encoder. That means cleaner streams at a given bitrate and quicker exports in software that supports AV1. The 3080 simply has no AV1 encoder to compete with.
Both carry dedicated RT cores, but the 4070's 3rd-generation cores are meaningfully quicker per core than the 3080's 2nd-generation ones, and DLSS 3 helps claw back the frame rate RT costs. The 3080 needs a bigger fps cushion to stay comfortable once RT is switched on.
It supports DLSS 4 upscaling and DLSS 3 single Frame Generation, but not the multi-frame generation reserved for the RTX 50 series. The RTX 3080 only has DLSS 2 upscaling and no frame generation of any kind.
A little. Because it inserts AI-made frames, latency rises slightly, though NVIDIA Reflex offsets most of that on the 4070. It's best suited to single-player and cinematic games, turn it off for competitive shooters or whenever your base frame rate drops under about 50 fps.
A weak enough CPU can bottleneck either card, especially at 1080p. Check the pairing tool on this page, a Ryzen 5 5600X or Core i5-12400F class chip and up keeps both cards fed at 1440p, and something like a Ryzen 7 7800X3D is worth it if you're chasing high refresh rates at 1080p.
The RTX 4070, clearly, 200 W against the 3080's 320 W, which translates into lower temperatures and noticeably less noise under load. Both go silent at idle with fan-stop.
A quality 750 W unit covers the 3080, and 650 W is enough for the 4070. If you might swap either card down the line, a 750-850 W supply gives you room either way.
3080 cards run around 285 mm and 3 slots thick, 4070 cards are usually shorter, around 244 mm and 2 slots, so check your case's maximum GPU length regardless. Both run a full PCIe 4.0 ×16 link, so a modern board loses nothing, and an older PCIe 3.0 board only costs 1-3%.
No. The mobile RTX 3080 and RTX 4070 are different, lower-power chips than their desktop namesakes, and how they stack up against each other can differ from this page. Don't compare laptop numbers to the desktop figures here, look up the mobile comparison instead.
The 3080 handles 4K reasonably in lighter or older titles at native resolution. The 4070 is arguably the better 4K pick once DLSS 3 is factored in, even with its raw raster sitting slightly behind. Neither one is a flawless 4K-ultra-with-RT card.
A used RTX 3080 around $320 is the stronger value if raw speed and price are what matter most to you. If lower running costs, a warranty, and DLSS 3 matter more, paying up for a 4070 makes sense. Whichever you buy used, get one with a return window and steer clear of untested ex-mining cards.
Years yet. Ampere and Ada are both current-enough architectures with full Game Ready driver support well into the future. Neither is an end-of-life worry for someone buying in 2026.