Compare Disc Golf Discs

Pick two or more discs and see exactly how they differ - flight, feel, distance, and price, side by side.

Build your comparison2 of 4 discs · ready
X-COMGemMidrange5/5/0/0
Doomsday DiscsFlat EarthMidrange5/5/-1/0

Gem vs Flat Earth

How Gem and Flat Earth compare on flight numbers, feel, distance, and price.

Key differences

TurnGem 0 vs Flat Earth -1Diameter21.3 vs 21.8 cm (-0.5)Height2 vs 2.1 cm (-0.1)Rim width1.3 vs 1.2 cm (+0.1)PriceFlat Earth is cheaper ($2.00 less)

Flight Paths

Overhead view · right-hand backhand

0100200300400500Distance (ft)Fade / Turn
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Tap a disc to show or hide its path. Estimated from flight numbers.

X-COMGemMidrange
Doomsday DiscsFlat EarthMidrange
Flight Numbers
SpeedRim & velocity
Gem
5
Flat Earth
5
GlideStays aloft
Gem
5
Flat Earth
5
TurnHigh-speed bend
Gem
0
Flat Earth
-1
FadeLow-speed hook
Gem
0
Flat Earth
0
Specifications
Spec
X-COM
Gem
Doomsday Discs
Flat Earth
Flight rating
5/5/0/0
5/5/-1/0
Stability
Stable (+0)
Understable (-1)
Beginner score
56/100
61/100
Est. carry
290 ft
290 ft
Type
Midrange
Midrange
Recommended skill
Everyone
Everyone
Diameter
21.3 cm
21.8 cm
Height
2 cm
2.1 cm
Rim depth
1.3 cm
1.3 cm
Rim width
1.3 cm
1.2 cm
Max weight
174 g
176 g
Bead
Beadless
Beadless
Plastics
0
0
PDGA Approved
No
No
On Amazon
Not on Amazon
Not on Amazon
Price from
$16.99
$14.99
The Verdict

Gem or Flat Earth?

Main difference: turn (Gem 0 vs Flat Earth -1). The Flat Earth turns over more easily (better for less power or turnover shots); the Gem resists turn and holds a hyzer.

Gem: StableFlat Earth: Understable
Where to buy
Gem
$16.99
Buy atAffiliate link
Best price
Flat Earth
$14.99
Buy atAffiliate link

We earn a commission on purchases through these links, at no cost to you. Affiliate disclosure.

FAQ

Is the Gem or Flat Earth more overstable?

The Gem is more overstable (stability +0 vs -1). It resists turning and fades harder.

Should a beginner pick the Gem or Flat Earth?

A beginner is better off with the Flat Earth (beginner score 61/100 vs 56/100) - lower speed and more turn make it easier to control.

What is the difference between the Gem and Flat Earth?

Main difference: turn (Gem 0 vs Flat Earth -1). The Flat Earth turns over more easily (better for less power or turnover shots); the Gem resists turn and holds a hyzer.

Which is cheaper, the Gem or Flat Earth?

The Flat Earth is cheaper, starting around $14.99 vs $16.99.

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