(Image credit: AMD) Last month, AMD officially announced FSR 4.1 for older RDNA 2 and RDNA 3 hardware, with the RX 7000 series set to receive FSR 4.1 support in July. Well, Christmas has come early as FSR 4.1 is out now for RDNA 3 desktop GPUs, a few days before it was originally supposed to launch. It's available natively in over 300 games, and all you need to do is update your GPU drivers inside AMD Adrenaline software to unlock the latest upscaler. ASRock Challenger Radeon RX 9070 :   was $639 now $599 at Newegg FSR 4.1 for the RX 7000 series is based on INT8 code that differs from the FP8 instruction set that the RX 9000 series uses. Technically speaking, only RDNA 4 has the hardware required for FSR 4.1 to work optimally, while making it backwards compatible with previous generations requires a lot of tuning and falling back on older instructions that incur a slight performance loss in exchange for better visual quality.…