The main difference between the FunKey S and the RG NANO is size.
The FunKey S measures 42.5 x 44.5 x 13.8 mm and weighs 30 g; the RG NANO measures 43 x 71 x 17 mm and weighs 75 g.
Other differences
- The FunKey S is a clamshell that folds shut, the RG NANO is a vertical, Game Boy shaped.
- The RG NANO carries a 1,050 mAh battery, the FunKey S 410 mAh.
Which is better
Which fits in a pocket better?
FunKey SThe FunKey S (42.5 x 44.5 x 13.8 mm, 30 g). The RG NANO is 43 x 71 x 17 mm, 75 g. Both fit a jeans pocket.
Which is better for PS2 games, the FunKey S or the RG NANO?
NeitherNeither plays PS2 games.
Which costs less?
RG NANOThe RG NANO, at about $60 at launch against $70. Prices today vary by store and the used market.
Which is better for GBA games?
TieBoth run GBA at full speed and fill about the same share of the screen with even pixels: 67% of the FunKey S's screen at 1x, 67% of the RG NANO's screen at 1x.
Which has the bigger battery?
RG NANOThe RG NANO, at 1,050 mAh against 410 mAh. Same chip, so the bigger battery should last longer.
Side by side
| FunKey S | RG NANO | |
|---|---|---|
| Launch price | $70 | $60 |
| Released | Jan 2021 | Jun 2023 |
| Plays well up to | PS1 | PS1 |
| Shape | Clamshell | Vertical |
| Software | Linux | Linux |
| Chip | Allwinner V3s | Allwinner V3s |
| Memory | 64 MB | 64 MB |
| Screen | 1.54 inch IPS 1:1 | 1.54 inch IPS 1:1 |
| Resolution | 240 x 240 | 240 x 240 |
| Battery | 410 mAh | 1,050 mAh |
| Weight | 30 g | 75 g |
| Size | 42.5 x 44.5 x 13.8 mm | 43 x 71 x 17 mm |
| Analog sticks | None | None |
| L2 and R2 | No | No |
| Wi-Fi | No | No |
| Video out | No | No |
| Headphone jack | No | No |
Green marks the better value where one is clearly better. Prices are launch prices.
Emulation
- FunKey SRG NANO
- Game Boy
- NES
- Genesis
- GBA
- SNES
- PS1
100 means the system runs at full speed with no known issues.
Full details
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More comparisons
Why this pair: buyers weigh these two against each other. 43 comments by 38 different people compare them in community discussions, and 15 post titles name both. Specs, emulation scores and launch prices from the retrocatalog.com handheld database.