Brand comparison
R3D vs SUNLU filament
A like-for-like price comparison of R3D and SUNLU filament on Amazon UK and Eryone UK, from live prices.
- R3D in stock
- 10
- SUNLU in stock
- 187
- materials in common
- 2
- cheaper on more materials
- SUNLU
Compare different brands
R3D
10 in stock · 2 materials
Typical price
£23.30/kg
From £20.50/kg
SUNLU
187 in stock · 15 materials
Typical price
£14.24/kg
From £7.43/kg
Cheaper overall
Cheaper per kg, material by material
R3D 0–2 SUNLU
- PLA Silk Dual/Tri
- PLA Matte Dual/Tri
- R3D cheaper
- SUNLU cheaper
Head-to-head numbers
Live Amazon UK and Eryone UK listings in stock right now.
| R3D | SUNLU |
|---|---|
| Typical price per kg | |
£23.30 | £14.24Better |
| Cheapest per kg | |
£20.50 | £7.43Better |
| Listings in stock | |
10 | 187Better |
| Materials | |
2 | 15Better |
| Below usual price | |
0 | 33Better |
| At lowest tracked price | |
0 | 55Better |
Typical price per kg, by material
Median of each brand's listings for materials both stock. Lower is better.
- R3D
- SUNLU
- PLA Silk Dual/TriSUNLU 39% cheaperR3D: £23.30SUNLU: £14.24
- PLA Matte Dual/TriSUNLU 23% cheaperR3D: £20.86SUNLU: £15.99
Price spread per kg
Every listing in stock is a tick. The box covers the middle half of prices; the bar inside is the typical (median) price.
- R3D
- SUNLU
R3D
£20.50 – £23.30
SUNLU
£7.44 – £57.99
Range: listings in stock by material
What each brand actually sells right now, so you can see where one has more choice.
- R3D
- SUNLU
- 0PLA+61
- 0PLA Matte26
- 7PLA Silk Dual/Tri15
- 0PLA Silk16
- 0PETG15
- 0PLA13
- 3PLA Matte Dual/Tri8
- 0TPU9
- 0PLA+ Silk8
- 0Nylon5
Cheapest R3D per kg
Prices checked 5 Oct, 03:00–03:04 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
Cheapest SUNLU per kg
Prices checked 6 Oct, 03:00–11:20 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
R3D vs SUNLU: which is cheaper?
Both brands sell 2 materials on Amazon UK and Eryone UK that we can compare like for like. Comparing the typical (median) price per kilogram of each: SUNLU is cheaper per kilogram for PLA Silk Dual/Tri, PLA Matte Dual/Tri.
Across everything in stock, a typical SUNLU listing costs £14.24 per kg against £23.30 for R3D. That mixes different materials, so the material-by-material prices are the fairer test.
R3D has 10 listings in stock across 2 materials; SUNLU has 187 across 15 materials. Right now 0 R3D and 33 SUNLU listings are below their usual 90-day price, and 55 are at their lowest tracked price.
Price is only part of it: diameter tolerance, spool type and how the reel is packed matter too, and they vary between product lines of the same brand. The reviews and price history on each product page help with those.
Common questions
Is R3D or SUNLU filament cheaper?
On Amazon UK and Eryone UK right now, a typical R3D listing costs £23.30 per kg and a typical SUNLU listing £14.24. Material by material, SUNLU for PLA Silk Dual/Tri, PLA Matte Dual/Tri.
Where can I see R3D and SUNLU price history?
Every product page on SpoolDeal has the price history for that reel (free account) and a public "good time to buy?" verdict, so you can see whether today's price is low for it.
How SpoolDeal checks prices
The same rules on every page, so a deal badge means the same thing everywhere.
Re-checked through the day
Every tracked listing on Amazon UK and Eryone UK is re-checked through the day, and the most-watched ones every two hours.
Measured against our own history
A deal only counts when the price is below what that reel has actually sold for over the last 90 days, not a seller's “was” price.
An email when it drops
Set a target price on any reel with a free account and we email you when it gets there.
Brand pages
Waiting for a better price?
Open any reel and set the price you want to pay. We check it through the day and email you when it gets there. Free, and you can switch it off any time.