TRIMUI
Smart Pro S
63
HR Rating
75
User Rating
Compare
Smart Pro S / RG-503
Verdict
RG-503 has the strongest overall profile in this Smart Pro S vs RG-503 comparison. RG-503 leads the summary view with HR rating 65 and user rating 73. Smart Pro S is the lower-priced option at USD 109, while RG-503 comes in at USD 110. For emulation, travel, and daily handheld use, weigh the score gap against price, library fit, ergonomics, and owner feedback.
Specs
Ranking Breakdown
Field
Smart Pro STRIMUI
RG-503ANBERNIC
The VersusComparable numbers · ▲ marks the winner
Price
USD 109
USD 110
HR Rating
63
65
User Rating
75
73
Release Year
2025
2022
Screen Size (Inches)
4.96
4.95
The SpreadCategory scores · ▲ marks the leader
Battery Life
70
72
Brightness
68
61
Controls
62
68
Durability
61
70
Ease Of Use
61
62
Ergonomics
50
68
Haptics
50
47
Hardware
61
62
OS Support
58
59
Performance
69
50
Portability
79
66
Screen Quality
75
55
Software
53
63
Speakers
51
53
Value
77
60
The FactsNo winners here — just what each device is
Architecture
ARM
ARM
Aspect Ratio
16:9
16:9
average price
—
—
Battery
5000mAh
3500 mAh
Connectivity
WiFi 6, Bluetooth 5.4, USB-C x2, 3.5mm jack, microSD card slot
WiFi 5, Bluetooth 4.2, USB-C OTG
CPU
Allwinner A523
Cortex-A55
dimensions
187.4 x 79.8 x 17.2 mm
—
Form Factor
Horizontal
Horizontal
GPU
Mali-G57 MC1
Mali-G52 2EE
Make
TRIMUI
ANBERNIC
Model
Smart Pro S
RG-503
OS
Linux
Linux ArkOS, JELOS, Retro Arena
RAM Size
1 GB
<1 GB
RAM Type
LPDDR4X
LPDDR4
Best Resolution for Retro Gaming
1280 x 720
960 × 544
Screen Type
IPS, 60 Hz
OLED
Storage
Internal 8 GB eMMC, External MicroSD
Dual External MicroSD
System on a Chip (SoC)
Allwinner A523
RockChip RK3566
Touch Screen
false
false
Video Output
None
Mini HDMI Top facing
weight
225 g
—
Pricing Snapshot
Where to buy
Device
Price
Storefronts
Availability
Smart Pro S
USD 109
Not carried
RG-503
USD 110
Not carried
Community Pulse
What owners say
Overall user rating
Smart Pro S75/100 · 10
RG-50373/100 · 10
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