RTX 5070 Ti Super Leak: 24GB VRAM Sounds Great—But Here’s the Real Trade-Off

This leak caught my eye for one reason: 24GB on a “70 Ti” class card

Rumors say Nvidia’s GeForce RTX 5070 Ti Super mostly mirrors the current 5070 Ti, except for a big memory bump: 24GB of GDDR7 using 3GB chips. On paper, that changes the conversation around a card most people target at high-refresh 1440p. We’ve spent the last two years watching VRAM-starved mid-high GPUs choke on ray-traced settings and heavy texture packs. If Nvidia really ships a 24GB “70 Ti,” it’s a clear response to that pain point-though the rest of the story isn’t as straightforward.

Key Takeaways

• 24GB GDDR7 at 28Gbps on a 256-bit bus equals a hefty 896GB/s bandwidth-close to RTX 4090 territory on paper.
• Core counts reportedly don’t change: ~8,960 CUDA, 70 RT cores, 280 Tensor on GB203-350-A1. Performance gains may rely on clocks.
• The rumored TGP jumps to 350W. That’s “new PSU or new case airflow” territory for a card many will run at 1440p.
• Estimated $749.99-$799.99 and a Q4 2025 window-but all of this is unconfirmed leak-land. Temper expectations.

Breaking down the leak: more memory, same muscle

The spec chatter, led by regular leaker kopite7kimi and echoed by others, paints a familiar picture with a twist. Allegedly, the RTX 5070 Ti Super keeps the GB203 silicon with ~70 SMs enabled (that’s 8,960 CUDA cores), alongside 70 RT cores and 280 Tensor cores. In other words, the compute guts look unchanged from the non-Super 5070 Ti. The twist is the memory: 24GB GDDR7 built from 3GB chips at an effective 28Gbps, staying on a 256-bit interface. Do the math and you land at 896GB/s of bandwidth—seriously strong for this class.

If you’ve followed Nvidia refreshes, this is an unusual mix. The 4070 Ti Super boosted both memory and core resources. Here, the rumor suggests Nvidia is opting for capacity and maybe higher clocks (the reported 350W TGP hints at that) rather than enabling more of the die. Think of it as the same engine, bigger fuel tank, and a potentially freer rev limiter.

Why 24GB matters—and where it actually helps

At 1440p, raw VRAM capacity isn’t everything, but modern PC ports and ray tracing love to guzzle memory. Cyberpunk 2077’s Overdrive path tracing, Alan Wake II’s RT modes, and mod-heavy installs (ultra texture packs, reshades, high-resolution meshes) can push past 16GB, especially at 4K with DLSS/Frame Gen in the mix. Creators running Stable Diffusion locally or doing AI upscaling also appreciate the headroom—24GB makes larger models and batches feasible without paging.

The catch: memory speed reportedly doesn’t increase beyond 28Gbps. That’s fine, because bandwidth is already stout at 896GB/s, but don’t expect a magic performance bump from VRAM alone in games that aren’t memory bound. If the core counts stay the same, uplift will hinge on clocks and power limits. For reference, current 5070 Ti boosts around 2,452MHz while the 5080 pushes ~2,617MHz; if the Super’s 350W envelope lets it clock closer to the latter (or beyond), we could see a meaningful 5-10% gain in the right workloads—still speculative.

The real trade-off: 350W in a “70 Ti” class card

This is where my eyebrows shot up. A rumored 350W TGP drags the 5070 Ti Super into territory we used to associate with halo cards. For many 1440p-focused rigs, that means:

• Power supply: Budget for a high-quality 750-850W PSU, ideally with a 12V-2×6 cable to avoid adapter mess.
• Cooling: Expect triple-fan designs and heavy heatsinks. Case airflow and noise become real considerations.
• Thermals: Higher sustained clocks are great until they aren’t—watch for thermal throttling in cramped builds.

Is the wattage worth it? If you’re targeting 4K with RT plus DLSS 3’s Frame Generation, maybe. At 1440p high-refresh, the extra 50W over the standard card is harder to justify unless that power translates into a consistent clock advantage and smoother 1% lows in memory-heavy scenarios.

Price, rivals, and timing: does this make sense in late 2025?

Leaks float a $749.99 estimate (with a chance of $799.99). If Nvidia lands at $749 with 24GB, the value pitch is simple: you’re buying headroom and avoiding VRAM anxiety for the life of the card. That undercuts the “buy a tier up for capacity” advice we’ve been giving since the 12GB era. But if it lands at $799, pressure increases—especially with AMD’s 16GB Radeon RX 9070 XT looming as the price/perf foil. Nvidia’s DLSS suite and RT performance still command a premium, but $50 matters in this bracket.

Timing-wise, a Q4 2025 window with the current 16GB 5070 Ti going EOL in October 2025 has been whispered. Take all of it with the usual leak caveats. Kopite7kimi’s track record is solid, but even the best sources miss details until late. And Moore’s Law is Dead’s pricing chatter should be treated as directional, not gospel.

What gamers should do right now

• Building a new 1440p rig today: Don’t pause your life for a year based on rumors. Consider current-gen deals and your PSU/case constraints.
• Eyeing 4K with RT and heavy modding: If the 24GB rumor holds, this SKU could be the sweet spot below the flagship tier—worth waiting to compare against whatever AMD counters with in late 2025.
• Small-form-factor enthusiasts: 350W is a headache. Either plan an airflow-first SFF build or hope for a lower-power custom model (or undervolt).

TL;DR

The RTX 5070 Ti Super leak screams “capacity over cores”: 24GB GDDR7 and big bandwidth, but reportedly the same compute and a hefty 350W TGP. If priced around $749, it could be the no-anxiety 1440p/entry-4K card for modders and RT fans—assuming the power draw translates into real clock gains. As always: promising on paper, unconfirmed in reality. Keep your expectations in check until Nvidia speaks.