When looking at the two dinosaurs here, there is a difference between T-Rex and Giganotosaurus, which is only about 8% larger. Tyrannosaurus rex Tyrannosaurus is a genus of coelurosaurian theropod dinosaur. As near as I can tell, despite Tyrannosaurus and Giganotosaurus appearing similar in size in side view, there is little question that T. rex is actually the larger theropod based on known specimens. Giganotosaurus and Spinosaurus are not that far behind but rex is still the biggest (8 ton Rex vs 7 Ton Spino/Giga) You are VERY incorrect. Additionally several single teeth, discovered from 1987 onwards, have been referred to the species. 81 Comments. 7K Views. This was earlier than more well known dinosaurs such as Triceratops or T. Rex. Giga and Rex are powerful in their own ways, but in a hypothetical 1v1 scenario Rex would most likely win. This is one of the biggest meat eating dinosaur ever discovered. Giganotosaurus carolinii vs Tyrannosaurus sizes by Scott Hartman. Giganotosaurus was one of the largest known terrestrial carnivores, but the exact size has been hard to determine due to the incompleteness of the remains found so far.Estimates for the most complete specimen range from a length of 12 to 13 m (39 to 43 ft), a skull 1.53 to 1.80 m (5.0 to 5.9 ft) in length, and a … During this rapid growth phase, a young T. rex would gain an average of 600 kg (1,300 lb) a … T-Rex vs Giganotosaurus: Power vs Size . The correct answer is Giganotosaurus is around the same length as T.rex and a little shorter in height. DO SOME RESEARCH!!! About the size of a small cucumber. Today, Giganotosaurus is believed to have been slightly larger than T. rex, though even Giganotosaurus ranks behind Spinosaurus in size … To 1 ton heavier insignificant also in this case, the actual difference in the ratio of the size of Tiger to Lion is more significant then the ratio between the size of Giganotosaurus to Tyrannosaurus Rex, Giganotosaurus so although … A T. rex growth curve is S-shaped, with juveniles remaining under 1,800 kg (4,000 lb) until approximately 14 years of age, when body size began to increase dramatically. This goes to Giganotosaurus 8/10. The biggest difference is that T.rex is much heavier. Giganotosaurus surpassed Tyrannosaurus in mass by at least half a ton (the upper size estimate for T. rex is 9.1 t). 218 Favourites. Different estimates have placed the spinosaurus between 12.8 and 18 meters long, and weighing between 7 and 20.9 tonnes. Also, Giganotosaurus most likely did not hunt alone. Its dinosaur classification is Saurischia. IMAGE DETAILS. Despite its size it had a tiny brain! Myth. T-Rex has a chance if it gets lucky but all it has is size and strength, both are out classed here so he'll be looking for a lucky chomp. Even bigger than the dinosaur T Rex - but a little bit smaller than the Spinosaurus. By TheGreatestLoverArt Watch. Simple google search will prove you extremely wrong. The T-Rex , however, appeared much later in the history of dinosaurs; Giganotosaurus prowled the plains and woodlands of South America 95 million years ago - a whopping 30 million years before its famous Laramidia counterpart. The point of this thread was to extinguish a stupid rivalry between rex and giga in the game. Giganotosaurus vs Tyrannosaurus Many people regard Giganotosaurus as the South American equivalent of Tyrannosaurus . Size of T. Rex vs Spinosaurus Spinosaurus was the largest carnivorous dinosaur; herbivores argentinosaurus and sauroposeidon were probably larger than the spinosaurus. 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