Actually, they both have 64" wingspans. One of them just lists the fuselage length in the title.

Toy Sonics:
 Wing Span: 64in/1630mm
 Wing Area: 46 sq dm
 Flying Weight: 6.8lbs/3100g
 Length: 55in/1400mm
 Engine Required: 2C 0.60 cu in; 4C 0.91 cu in
 Radio Required: 4 Channels, 5 Servos

Nitro Models:

Fuselage length: 54 in / 1370 mm
Wing span: 63.8 in / 1620mm Engine Required: 2c 0.61-0.75 cu in
Wing area: 705sq in /45.5 sq dm 4c 0.91 cu in
Flying weight: 6.5 lb / 2950g Radio Required: 4 channels,5 servos


I was mainly commenting on the apparent similarity in build and hardware quality between the two, not to mention the identical price.