The AMD Radeon RX 9070 XT and the NVIDIA GeForce RTX 5070 Ti are both high-performance graphics cards, but they differ significantly in terms of VRAM and memory bandwidth.
VRAM:
- The RX 9070 XT comes with 16 GB of GDDR6 memory, which is the same as its less powerful sibling, the RX 9070[1][2].
- The RTX 5070 Ti, on the other hand, also features 16 GB of memory but uses the newer GDDR7 type, which generally offers better performance and efficiency compared to GDDR6[3][7].
Memory Bandwidth:
- The RX 9070 XT has a memory bandwidth of approximately 640 GB/s, achieved through a 256-bit bus with a memory speed of 20 Gbps[1][2].
- In contrast, the RTX 5070 Ti boasts a significantly higher memory bandwidth of 896 GB/s, thanks to its 256-bit bus and a faster memory speed of 28 Gbps[3][7]. This higher bandwidth can provide an advantage in handling high-resolution textures and complex graphics.
Overall, while both cards have the same amount of VRAM, the RTX 5070 Ti's use of GDDR7 and its higher memory bandwidth give it a performance edge in applications that heavily rely on memory access and bandwidth.
Citations:[1] https://www.club386.com/amd-reveals-radeon-rx-9070-series-gpu-specs-and-performance-launches-march-6/
[2] https://www.technetbooks.com/2025/02/amd-radeon-rx-9070-xt-rx-9070-gpus.html
[3] https://www.techpowerup.com/330206/nvidia-geforce-rtx-5070-and-rtx-5070-ti-final-specifications-seemingly-confirmed?cp=5
[4] https://www.digitaltrends.com/computing/amd-rx-9070-xt-vs-rtx-5070-ti/
[5] https://www.reddit.com/r/LocalLLaMA/comments/1j088yg/rx_9070_xt_potential_performance_discussion/
[6] https://www.asrock.com/Graphics-Card/AMD/Radeon%20RX%209070%20XT%20Steel%20Legend%2016GB/
[7] https://www.tomshardware.com/pc-components/gpus/nvidias-rtx-5070-ti-and-rtx-5070-allegedly-sport-16gb-and-12gb-of-gddr7-memory-respectively-up-to-8960-cuda-cores-256-bit-memory-bus-and-300w-tdp
[8] https://nanoreview.net/en/gpu-compare/radeon-rx-9070-xt-vs-geforce-rtx-5070-ti
[9] https://www.tomshardware.com/pc-components/gpus/rx-9070-xt-leaked-specs-point-to-4-096-shaders-and-16gb-vram-3-1-ghz-boost-clocks-and-pcie-5-0-support
[10] https://www.digitaltrends.com/computing/rx-9070-xt-vs-9070/