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Both mattresses promise quality sleep without breaking the bank, but which one is right for you?

Meanwhile, both mattresses have a 10-year warranty and free shipping.

The Zinus Green Tea Memory Foam Mattress on white background

(Image credit: Zinus)

A queen is $499 from $599, which is incredible value for money.

It also comes with a 180-night sleep trial and 10 -year warranty.

The Zinus Green Tea mattress has a 10 profile and is made using three internal layers of foam.

Siena memory foam mattress on a white background

It starts with a soft, breathable cover followed by a green tea-infused memory foam layer.

Its a simple yet effective design, cementing it as one of thebest memory foam mattresseson the market today.

In contrast, the Siena has a completely different sleep feel.

Zinus Green Tea Memory Foam mattress:was from $399 now from $249 at Zinus

Zinus Green Tea vs Siena Memory Foam mattress: Which should you buy?

Youre a side sleeper:This mattress offers great pressure relief and cushioning around the shoulders and hips.

Siena Memory Foam Mattress: was from $529 now from $199 at Siena

The Zinus Green Tea Memory Foam Mattress on a bed frame in a bedroom

(Image credit: Zinus)

The Siena Memory Foam Mattress placed on a white bed frame in our blue testing bedroom

(Image credit: Future)

A 50lb weight resting oin the Zinus Green tea Memory Foam Mattress, showing noticable sink

A woman sits on the edge of the Siena Memory Foam Mattress in a bedroom

ZINUS 6 Inch Green Tea Memory…

ZINUS 8 Inch Green Tea Cool…

ZINUS 8 Inch Green Tea…

ZINUS 10 Inch Green Tea…

Siena 10” Full Gel Memory…

A split screen of the Zinus Green Tea vs the Layla Essential Mattress

The Nectar Classic Memory Foam Mattress on a bed frame in a bedroom (left) and the Siena Memory Foam Mattress on a bed frame in a bedroom (right)

The Nectar Classic Memory Foam Mattress on a bed frame (left) and th Siena Memory Foam mattress on a bed frame (right)

A split screen of the Nectar Classic mattress vs the DreamCloud Memory Foam Mattress

The Saatva Graphite Memory Foam Mattress Topper vs the Saatva Natural Latex Mattress Topper split screen

A split image featuring the Nectar Classic Memory Foam Mattress on the left and the DreamCloud Luxury Hybrid on the right, leading into the DreamCloud Luxury Hybrid vs Nectar Classic showdown

The image shows a woman sitting up in bed and clutching her shoulder in pain

The Tempur-Pedic Tempur-Adapt mattress on a bed frame in a bedroom, a man and his young sun sitting on top of it, smiling. A Tom�s Guide price drop deals graphic (right)

A couple using the Scandinavian Sleep Method

Bed bugs

The Saatva Murphy Bed Mattress on a Murphy bed frame lying flat, in a bedroom

The LG C5 (on left) faces off against the Samsung S95F (on right).

HDMI input

google pixel 9a and google pixel 8a in white and black side by side

The image shows the Casper Hybrid with Snow Technology pillow on the left and the Coop Cool+ pillow on the right in a side by side comparison