Comparison of Apple M1 Ultra (64 Core) video card vs AMD Radeon R5 - 384 (Bristol Ridge) video card by specs and benchmarks. Apple M1 Ultra (64 Core) runs at 1.300 GHz base clock speed and has 64 GB of memory, while video card AMD Radeon R5 - 384 (Bristol Ridge) runs at 1.300 GHz base clock speed and has 2 GB of memory. The weight is different, -- vs --. The TDP of the first video card is --, and the second is -- . Compare the benchmark results to find out which video card is better.