What is the difference between Sedum pachyphyllum 'El Greco' and Sedum pachyphyllum? A quick guide to telling them apart

Sedum pachyphyllum 'El Greco' is a perennial succulent plant in the Crassulaceae family, Sedum genus, native to Mexico, and it prefers a warm, dry, and sunny environment. Sedum pachyphyllum is also a succulent plant in the Crassulaceae family, Sedum genus, and is also native to Mexico. Sedum pachyphyllum 'El Greco' and Sedum pachyphyllum are two very similar varieties of Sedum succulents. Let's take a look below at what the differences between Sedum pachyphyllum 'El Greco' and Sedum pachyphyllum are!
Difference one: The most important difference between Sedum pachyphyllum 'El Greco' and Sedum pachyphyllum is the stem. Whether the heads are large or small, whether they have powder or not, none of these are as obvious as looking at the stem. No matter how Sedum pachyphyllum grows, its stem is always fleshy, while Sedum pachyphyllum 'El Greco' has a prominent woody stem, and the texture on the stem is very obvious. Moreover, the stem of Sedum pachyphyllum is tender and green, while the stem of Sedum pachyphyllum 'El Greco' is old and yellow, as if covered in bark.
Difference two: Sedum pachyphyllum 'El Greco' and Sedum pachyphyllum can also be clearly distinguished from newly sprouted small plants. The small plants of Sedum pachyphyllum have typical leaves with large heads and small tails, and the color is on the greenish side. Even newly sprouted small plants of Sedum pachyphyllum 'El Greco' have woody stems, and the leaves are small at the head and large at the tail, with a yellowish color.
Difference three: The leaf curvature of Sedum pachyphyllum 'El Greco' and Sedum pachyphyllum is different. This is rather hard to describe, so you will have to experience it yourself. The leaf shape of Sedum pachyphyllum is like a banana, while the leaf shape of Sedum pachyphyllum 'El Greco' is like a cucumber. Moreover, the leaves of Sedum pachyphyllum are on the blue-green side and turn red when exposed to the sun, while the leaves of Sedum pachyphyllum 'El Greco' are on the yellow-green side and turn yellow, or slightly orange-yellow, when exposed to the sun.
Difference four: Sedum pachyphyllum 'El Greco' basically does not produce offsets, and when side buds appear they are basically green. Sedum pachyphyllum loves to produce side buds and easily has many pups, and the side buds are pinkish-white when they first grow out.
Difference five: Sedum pachyphyllum 'El Greco' is independent, and its stem is always very upright, straight and erect, not growing in clusters, and it rarely produces side buds. Sedum pachyphyllum loves to cluster, often growing in clusters that fill pot after pot.
Difference six: The leaves of Sedum pachyphyllum 'El Greco' are smooth and have no powder, while the leaves of Sedum pachyphyllum are covered with a thin layer of waxy white frosty powder.