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Found 1 result

  1. Hello there! I recently watched on YouTube a video from RetroManCave (Neil), titled "Inside the BBC Micro - Trash to Treasure (Part 2)" (https://www.youtube.com/watch?v=bQCgzIWZo0o) At 0:03:35, Neil explains that the BBC Micro's 6502 runs at 2 MHz, which makes it pretty fast, compared to other computers from the same period, for instance the Apple II that ran at 1 MHz (1.9 MHz in turbo mode). Of course, I regret that Neil didn't mention Atari's 1.79 (1.77) MHz at that point. Later at 0:08:00, Neil mentions the Rugg/Feldman benchmarks for BASIC, in which Atari BASIC (and the OS FPP) does not help to make the computer shine. To me, it's not really fair to compare the computers with merely their CPU speed (*) and Rugg/Feldman benchmarks for BASIC figures: - The Atari runs MUCH FASTER with other BASIC, such as Turbo BASIC XL, to name just one - The Atari 8-bit architecture, with dedicated additional chips, allows the CPU to focus on the main tasks, whilst the other chips deal with video, sound, P/M, etc. In lots of other computers from the same period, the CPU deals with everything, so a higher clock rate is not enough to make it faster! My question is: How to compare - with justice - the 800XL with the C64, the Apple IIe, the BBC Micro, etc in terms of performance? Any suggestion of bench marking method? (*) Same 6502 CPU for instance; We all know that a 6502 & a Z80 at 2 MHz are NOT equally powerful
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