Is a porterhouse steak a sirloin?
Sirloin steak a.k.a. porterhouse steak or New York steak
The steak lovers' choice, this cut is lean, notably tender, rich in flavour and extremely juicy.
As you can see from the picture, the sirloin is situated in the hindquarter of the animal, and whatever the various steaks are called – whether it be Sirloin Steak, Porterhouse Steak, New York Strip or Striploin Steak – they're all the same cut of beef and they're all boneless.
Because the porterhouse is cut from the junction of the tenderloin and top loin, it delivers a mouthwatering combination of tender, succulent filet mignon and rich, flavorful New York strip. As a meal, the size of a porterhouse steak is unrivaled, and many steak lovers find it easily feeds two people.
Porterhouse steaks are cut from the rear end of the short loin and thus include more tenderloin steak, along with (on the other side of the bone) a large strip steak. T-bone steaks are cut closer to the front, and contain a smaller section of tenderloin.
However, steaks with a large tenderloin are often called a "T-bone" in restaurants despite technically being porterhouse.
The porterhouse is a composite steak that's derived from the point where the tenderloin and top loin meet. If you remove the bone and cut out the two steaks that make up the porterhouse, you get a tenderloin steak and a top loin (or New York strip steak). So if you order a porterhouse, expect big portions!
One of the most impressive steak cuts, porterhouse steaks are essentially two steaks in one. These large steaks are cut from where the striploin meets the tenderloin in the short loin section of the steer.
A porterhouse steak is a New York strip and a delicate filet mignon separated by a T-shaped bone. It's considered by many to be the undisputed ruler of the steakhouse. By combining the tender filet with the beefy New York strip it eliminates decision making for many diners.
Sirloin – Sirloin steak comes from the top of the cow's back. It has just the right balance of tenderness and flavor. These cuts are often large and don't have much fat. Strip – This cut comes from the loin.
Both cuts both come from the short loin region of the cow and feature the distinctively shaped bone. The difference? It all comes down to the width of the filet. A porterhouse on the bone has a big juicy sirloin on one side, and a filet on the other side that is at least 1.25 inches (3.2cm) wide.
Which is the tastiest steak cut?
For the ultimate juicy, beefy flavor, a ribeye is a great choice. These ultra-flavorful steaks are essentially individually cut prime rib roasts, and they come from the cow's upper rib area. Ribeyes are super fatty, which allows them to retain their juiciness even when cooked over very high heat.
Considered the most tender cut of all, a filet mignon is taken from the center of the beef tenderloin. It is lean yet delivers a melt-in-your mouth, buttery succulence. Perfect for grilling, pan-searing and broiling in the oven.

The Porterhouse is a bigger loin cut (serving 2-3) and includes both a filet mignon and a strip steak.
Which Is Better T-Bone Or Porterhouse? Generally, porterhouse steaks have more filet compared to T-bone steaks. This typically makes them a better meal for two people. The size of a porterhouse steak should be at least 1.25 inches thick.
The winner of the debate between ribeye vs porterhouse boils down to preference. Some people prefer ribeye for its incredibly tender and flavorful meat. However, others enjoy porterhouse because it's bigger and contains two different cuts of steak to enjoy, a prime difference between porterhouse and ribeye.
The T-Bone and the Porterhouse: Two very different names for two very similar steaks. If you remember nothing else about these two cuts of steak, remember this: The porterhouse is a bigger version of the T-Bone. The T-Bone is one of the most easily-identifiable steaks.
Porterhouse steak is expensive because it requires a large portion of the cow to be dedicated to a single steak, thus you typically only have one porterhouse steak per animal.
The porterhouse steak contains two high quality cuts of meat, the filet and the NY strip. It does not need any tenderizing, just additional flavor to really highlight a fabulous steak. You can keep it simple with just a seasoning of salt of pepper.
A Ribeye cut is more flavorful than Porterhouse. The taste is beefy and delicious due to the combination of fat, marbling, and tender texture. In terms of tenderness, the Porterhouse steak is tender, just like most cow parts, including the filet mignon.
Cooking Porterhouse Steak on the Grill (medium-rare doneness recommended): For the perfect medium-rare degree of doneness, grill your Porterhouse steak for 10–13 minutes for a 1-inch steak, and 14–17 minutes for a 1½ inch steak, turning about 1 minute before the halfway point. A meat thermometer should read 130°F.
What is a good size porterhouse steak?
“A porterhouse steak for broiling should be cut not less than 2 inches (5 cm) thick and is better when cut 2 ½ to 3 inches (6 to 7.5 cm) thick. For pan broiling or sautéing, 1 ½ inches (4 cm) is ideal…. To serve a porterhouse steak: Using a sharp knife, cut out the bone.
Size of steak: The larger tenderloin portion of a porterhouse steak is a wider cut of beef than a T-bone steak. Porterhouse steaks are also typically cut thicker than T-bone steaks. A T-bone may be enough food for one person, while steakhouses typically serve porterhouse steaks for two people.
According to the U.S. Department of Agriculture, a tenderloin section that is at least 1.25 inches across at its widest point qualifies the steak as a porterhouse. Anything between 1.24 inches and 0.51 inches makes the steak a T-bone. Anything less than 0.5 inches is bone-in strip steak.
In American butchery, the sirloin steak (called the rump steak in British butchery) is cut from the sirloin, the subprimal posterior to the short loin where the T-bone, porterhouse, and club steaks are cut. The sirloin is actually divided into several types of steak.
Ribeye is America's favorite cut of steak, enjoyed by 61% of survey respondents, followed by filet (47%) and T-bone (43%).