Top RDNA 4 GPU to overtake RTX 4070 Ti SUPER despite being smaller and using less power per leaked Navi 48 and Navi 44 specifications

AMD’s next-gen graphics architecture, RDNA 4, is slated to debut later this year with Navi 48 and Navi 44 GPUs. Cards based on these chips are expected to occupy the entry-level to mid-range segment, leaving NVIDIA to dominate the high-end discrete space.

However, a vast majority of gamers who buy cost-effective mid-range hardware may not be too affected by AMD's decision as the RDNA 4 cards, especially the Navi 48, appears to be an exciting product per the latest information from serial leaker @All_The_Watts.

Navi 48 specifications and performance

Starting with the Navi 48, the GPU reportedly employs 32 Work Group Processors (WGP), 64 Compute Units (CUs), a 256-bit wide memory bus, and 693 GB/s of memory bandwidth. Additionally, the GPU allegedly boasts 2,770 GB/s of effective memory bandwidth and only occupies 240 mm2 of die space, significantly smaller than previously rumored.

As a comparison, the RX 7800 XT (Available on Amazon) features a much bigger 346 mm2 Navi 32 die while bringing a 256-bit wide memory interface, 60 RDNA 3 CUs, and a memory bandwidth of 624.1 GB/s. The effective bandwidth of the RX 7800 XT comes out to be 2,708 GB/s.

In essence, except for the marked reduction in die space, the Navi 48 doesn’t seem to bring noticeable gains in raw specs at least when it comes to the details mentioned above. We still don’t know the cache sizes and clock rates, both of which noticeably impact the performance of the GPU.

Furthermore, @All_The_Watts claims that Navi 48 samples can achieve as high as 50 TFLOPs of compute with only 215 W of power. To put this into perspective, the RX 7800 XT manages 37 TFLOPs of compute while consuming a maximum of 263 W. Over on the NVIDIA side, the RTX 4070 Ti SUPER comes in at 40 TFLOPs and is rated at 285 W.

So, the Navi 48 apparently beats the RTX 4070 Ti SUPER in raw compute while consuming noticeably less power and occupying only 63% of the area.

Navi 44 specifications

Navi 44 is expected to power the lower mid-range boards of the RDNA 4 lineup. Per the latest leak, the GPU rocks 16 WGP, 32 CUs, a 128-bit wide bus, 288 GB/s of bandwidth, and 515 GB/s of effective bandwidth. Finally, the chip reportedly lands at 130 mm2.

Once again, we see no big improvements in hardware when we compare the purported Navi 44 specs to Navi 33, the GPU inside the RX 7600 XT (Buy on Amazon). For instance, the Navi 32 chip features a similar 128-bit wide bus, 32 CUs, and a bandwidth of 288 GB/s. The only apparent gain that the Navi 44 brings is the smaller die as the Navi 32 uses a much larger 204 mm2 one.

All in all, AMD's upcoming GPUs might just be capable enough to put up a fight in the mid-range segment. But, as the disparity between the RDNA 3 leaks and the actual launch has taught us, always take leaks of such nature with caution.