That's the software upscaled size, not the real resolution. Typical distortions of East Asian marketing.
I would be amused if the actual reason for upscaling is that a 256x192 display is hard to source and that the firmware is partially shared between models with a display and models without one.
alt Hacker News
I would be amused if the actual reason for upscaling is that a 256x192 display is hard to source and that the firmware is partially shared between models with a display and models without one.