TimeTop GameKing I vs. SJGAM M20

Specs, emulation, community reviews, ownership and play history, side by side.

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Not shown to scale. Real-world dimensions are missing for one or both devices.

Quick verdict

Better screen
M20
Newer model
M20

Main differences

  • SJGAM M20 has a IPS screen, versus LCD (monochrome, non-backlit) on TimeTop GameKing I.

TimeTop

GameKing I

Details
Price
Unknown
OS
Linux
Released
Jan 2003
Up to
Unknown
Screen
LCD (monochrome, non-backlit)
Weight
Unknown

We’re not tracking prices for this one yet.

No reviews yet

SJGAM

M20

Details
Price
Unknown
OS
Linux
Released
Jan 2025
Up to
Unknown
Screen
7 IPS
Weight
350 grams

We’re not tracking prices for this one yet.

No reviews yet

Specs

BetterWorse

SpecGameKing IM20
ScreenUnknown7
Aspect ratioUnknown128:75
Resolution48x321024 x 600
PanelLCD (monochrome, non-backlit)IPS
ChipsetUnknownRockchip RK3566
CPU65C02Cortex-A55
GPUUnknownMali-G52 2EE
RAMUnknown1 GB
StorageUnknown64 GB/128 GB microSD card
Battery2x AAA4000 mAh
WeightUnknown350 grams
DimensionsUnknown242 × 105 × 30 mm

Frequently asked

What's the difference between the TimeTop GameKing I and the SJGAM M20?
SJGAM M20 has a IPS screen, versus LCD (monochrome, non-backlit) on TimeTop GameKing I.
Which is newer, the TimeTop GameKing I or the SJGAM M20?
The SJGAM M20 is the newer model, released in 2025.

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