Yes, it's different, especially if you're concerned about the pour point.
TYPICAL PROPERTIES: CITGO CITGARD® SYNDURANCE® SAE 0w30
SAE Grade 0w30
Material Code 622670001
Specific Gravity 0.861
Pounds Per Gallon 7.17
Viscosity, ASTM D 445, cSt at 40°C 65.1
cSt at 100°C 11.3
Viscosity Index, ASTM D 2270 165
CCS at -35°C, cP 5,490
MRV at -40°c, Cp 16,868
Pour Point, ASTM D 97, °F (°C) -71 (-57)
Flash Point, ASTM D 92, °F (°C) 374 (192)
Total Base No. ASTM D 2896 12
Color, ASTM D 1500 L3.5
TYPICAL PROPERTIES: CITGO SUPERGARD® SYNTHETIC MOTOR OILS
SAE Grade 5W-20 5w30 10w30
Material Code 620859001 620861001 620863001
Gravity, ASTM D 4052, °API 34.6 34.5 33.9
Pounds Per Gallon 7.09 7.10 7.12
Flash Point, ASTM D 92, °F (°C), COC 442 (228) 450 (232) 460 (238)
Low Temperature Cranking, ASTM D 5293
Temperature, °F (°C) -22 (-30) -22 (-30) -13 (-25)
Viscosity, cP 4,260 4,500 4,100
Viscosity, ASTM D 445, cSt at 40°C 48.8 59 63
cSt at 100°C 8.9 10.7 10.4
Viscosity Index, ASTM D 2270 163 174 155
Low Temperature Pumpability, ASTM D 4684
Temperature °F (°C) -31 (-35) -31 (-35) -22 (-30)
Viscosity, cP 12,500 16,000 10,600
Yield Stress, Pa None None None
HTHS Rate, ASTM D 4683, Vis cP at 150 °C 2.8 3.2 3.5
Pour Point, ASTM D 97, °F (°C) -38 (-39) -38 (-39) -33 (-36)