TIMEMORE vs Rounexes Coffee Grinders: Which Brand Fits You?

Key differences

Which one should you choose?

TIMEMORE vs Rounexes: Key Differences

Power Source

Edge: Tie

You start by deciding between manual effort and electric convenience. The TIMEMORE Chestnut C3S Pro is a manual grinder. You turn the handle to grind beans, which allows for complete portability and use anywhere without electricity. In contrast, the Rounexes model is an electric grinder. It requires a power outlet to operate, offering hands-free grinding. This makes it better for daily home use where speed matters. Your choice depends on whether you value travel freedom or automated ease.

Grinding Mechanism

Edge: Tie

The internal burr design significantly affects grind consistency and heat generation. The TIMEMORE Chestnut C3S Pro features a conical burr, specifically the S2C patent hexagonal design. This setup is known for reducing fines and minimizing heat transfer to the beans during hand grinding. The Rounexes grinder uses a flat burr mechanism. Flat burrs often provide a more uniform particle distribution, which is advantageous for espresso. Both use stainless steel burrs, but the conical design of the TIMEMORE suits pour-over and travel, while the Rounexes flat burr targets espresso precision.

Grind Settings

Edge: TIMEMORE Chestnut Foldable Burr Grinder

Adjustability allows you to match the grind to your brewing method. The TIMEMORE Chestnut C3S Pro offers approximately 36 adjustment levels. This wide range lets you dial in precise settings for various brews, from fine espresso to coarse French press. The Rounexes grinder provides 17 precise grinding settings. While fewer than the TIMEMORE, these settings cover the spectrum from espresso-fine to French press-coarse. The TIMEMORE gives you finer control over minute adjustments, whereas the Rounexes offers a streamlined selection that covers essential brew methods.

Portability and Size

Edge: TIMEMORE Chestnut Foldable Burr Grinder

If you travel or camp, size and weight are critical. The TIMEMORE Chestnut C3S Pro is designed for portability. It features a foldable crank handle and weighs 15.2 ounces. Its compact dimensions make it easy to pack in a bag for outdoor adventures. The Rounexes grinder is a stationary electric unit weighing 2.5 pounds. It is larger and requires a power source, making it unsuitable for travel. For home kitchens, the Rounexes footprint is manageable, but for on-the-go use, the TIMEMORE is the clear choice.

Bean Capacity

Edge: Rounexes Compact Flat Burr Grinder

The amount of coffee you can grind at once matters for your routine. The Rounexes grinder has a sealed bean hopper with a capacity of 7 ounces (approximately 300 grams). It can grind enough beans for 2 to 14 cups in one batch, making it efficient for households or gatherings. The TIMEMORE Chestnut C3S Pro does not list a specific bean hopper capacity in the provided data. Manual grinders typically require smaller batches to maintain consistent pressure. If you brew for multiple people daily, the Rounexes capacity is a significant advantage.

Which grinder fits your routine

Travelers seeking portable manual grinding

Our pick: TIMEMORE Chestnut Foldable Burr Grinder

The TIMEMORE Chestnut C3S Pro features a foldable crank handle and weighs only 15.2 ounces. Its compact 52 mm body fits easily in bags. The all-metal aluminum alloy body ensures durability during travel. You can grind anywhere without needing electricity, making it ideal for camping or on-the-go use.

Users wanting electric convenience and speed

Our pick: Rounexes Compact Flat Burr Grinder

The Rounexes grinder uses electric power for fast, effortless grinding. It offers 17 precise settings from espresso to French press. The 150 g sealed hopper preserves bean freshness. You can grind 2 to 14 cups in one batch. The removable parts are top-rack dishwasher safe for easy cleaning.

Espresso drinkers needing direct dosing

Our pick: Rounexes Compact Flat Burr Grinder

This Rounexes model includes an adjustable 51–58 mm portafilter cradle. It allows you to grind directly into most espresso machine baskets. The flat burr mechanism provides consistent particle size for optimal extraction. This feature simplifies the espresso preparation process by eliminating transfer steps.

The products compared

1

TIMEMORE Chestnut Foldable Burr Grinder

Best for: Portable manual grinding with durable metal build

Grinding Mechanism

Conical burr

Burr Material

Stainless steel

Grind Settings

Approx 36 levels

Power Source

Manual

Application

Home Use, Travel, Camping

Dimensions

5.79 × 2.05 × 5.79 inches

View on Amazon: TIMEMORE Chestnut Foldable Burr Grinder Affiliate link

The TIMEMORE Chestnut C3S Pro is a manual conical burr grinder built with an all-metal aluminum alloy body. It uses S2C660 stainless steel burrs for consistent grinding. You get approximately 36 precise adjustment levels for grind size. The foldable crank handle and 15.2-ounce weight make it portable for travel or camping. This compact design suits those who want durability without electric power.

Pros

• All-metal aluminum alloy body for durability and heat dissipation
• S2C660 patent hexagonal conical burrs for uniform grind
• Approximately 36 adjustable grind settings from fine to coarse
• Foldable crank handle for compact storage and portability

Cons

• Manual operation requires physical effort for every grind
• Limited to 36 adjustment levels compared to electric models
• No built-in collection chamber for grounds

Good fit if

• You want a durable, portable grinder for travel or camping
• You prefer manual control over grind consistency and flavor
• You need a compact device that fits in small spaces

Skip if

• You need high-volume grinding for multiple cups daily
• You prefer the convenience of electric motor operation
• You want more than 36 precise grind adjustments

Verdict: TIMEMORE Chestnut C3S Pro Manual Grinder delivers durable, portable manual grinding with precise burr control for travelers and home users who value build quality and portability.

2

Rounexes Compact Flat Burr Grinder

Best for: small kitchen counters and simple brewing

Grinding Mechanism

Flat burr, conical burr

Burr Material

Hardened stainless steel

Grind Settings

17, 30

Bean Capacity

150 g (5.3 oz), 300 g / 10 oz

Power Source

Electric

Brew Method

Espresso, Cold Brew

View on Amazon: Rounexes Compact Flat Burr Grinder Affiliate link

The Rounexes BG709 is a small electric flat burr grinder with 17 precise settings. It uses hardened stainless steel conical burrs for consistent particle size. The unit holds 7 ounces of beans and grinds 2 to 12 cups. Its compact footprint suits small kitchens. You get simple button controls and a removable bean hopper for easy cleaning.

Pros

• 17 precise grind settings from espresso to French press
• Hardened stainless steel conical burrs for uniform grinding
• Compact size at 4.61 inches wide
• Removable 150 g sealed bean hopper

Cons

• Only 17 grind settings compared to competitors with 30
• 7 oz bean capacity is smaller than the 10 oz standard
• Portafilter not included for direct espresso grinding

Good fit if

• You need a compact grinder for a small counter
• You prefer simple button controls over digital displays
• You want easy cleaning with dishwasher-safe parts

Skip if

• You require more than 17 grind precision levels
• You need to grind large batches of 10 oz at once
• You want to include the portafilter in the box

Verdict: Rounexes BG709 Compact Electric Grinder offers a space-saving design with reliable stainless steel burrs. It fits you best if you prioritize a small footprint and straightforward operation over high-capacity bean storage.

Specifications side by side

Frequently asked questions

See also

• best TIMEMORE conical burr coffee grinders
• best TIMEMORE coffee grinders for french press
• TIMEMORE vs wirsh coffee grinder
• best coffee machines with built in grinder