Bangkok · head to head

Capella Bangkok vs The Siam

Priced on the same night, 2026-10-10: The Siam is $1,043 a night less. They are 7.6 km apart.

Capella Bangkok

Capella Bangkok

300/2 Charoenkrung Road, Yannawa, Sathorn, Bangkok 10120, Thailand, Bangkok · ★★★★★
9.6/10 from 177 guests
$1,681/ night, 2026-10-10
+ $108 taxes & fees
The Siam

The Siam

3/2 Thanon Khao, Vachirapayabal, Bangkok, Bangkok, 10300, Bangkok · ★★★★★
$638/ night, 2026-10-10

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The honest take

Capella Bangkok is the more expensive stay at $781 against The Siam's $551, and it carries a near-perfect 9.6 guest score over 177 reviews versus no published score for The Siam over 108. If you want a hotel with a track record and extras like a hot tub and golf access, book Capella. If you want the more distinctive building and don't mind the absence of a guest rating, The Siam at $551 is the better design experience for less money.

The look and the feel

Capella Bangkok

Capella Bangkok sits on Charoenkrung Road in Sathorn, a low-slung, discreet property designed by Jean-Michel Gathy, all dark timber, water features and pavilion-like structures set into tropical garden rather than stacked into a tower. The riverside setting gives it long sightlines and a hush that's unusual for central Bangkok, with an outdoor pool, a spa-and-fitness wing and a restaurant doing French, Italian and Mediterranean food rather than the expected Thai menu. It draws a quieter, design-conscious crowd, the sort who want privacy and a garden rather than a rooftop bar and a view of the skyline.

Capella suits travellers who want architectural restraint, garden privacy and a proven, highly rated stay worth the premium.

The Siam

The Siam occupies a riverside plot on Thanon Khao, built as a deliberately theatrical art deco and 1930s Bangkok pastiche, with black-and-white tiled floors, teak furniture, vintage steamer trunks and family photographs scattered through the public rooms like a private house rather than a hotel. Guestrooms have fireplaces and indoor private spa tubs, an odd, almost colonial-nostalgia touch in a tropical city, and the whole place leans into a curated, slightly eccentric glamour rather than glossy contemporary luxury. It suits guests who want atmosphere and story over polish, and who don't mind a spa tub instead of a hot tub.

The Siam suits travellers drawn to theatrical, story-driven interiors and river views who are comfortable booking without a published guest score.

Booking The Siam over Capella means giving up the pet allowance, hot tub and golf access that Capella offers, though The Siam counters with its own waterfront position that Capella lacks.

The Siam is the more characterful place to actually sit in, trading Capella's polished restraint for genuine theatrical personality in every room.

The numbers
Capella BangkokThe Siam
Price, same night$1,681$638
Guest rating9.6/10
Reviews177108
Stars★★★★★★★★★★
Facilities on our list97
Distance apart7.6 km
What one has that the other doesn't

Only Capella Bangkok has

  • Pet
  • Hot tub
  • Golf

Only The Siam has

  • Waterfront
What guests actually say

Capella Bangkok

  • good service
  • quality rooms and facilities
  • billing issues with cash payments

The Siam

  • attentive butlers
  • beautiful decor and property
  • excellent food
  • slow hot water and door access issues

The Siam's guests come away happier, crediting attentive butlers, stunning decor and outstanding staff, while Capella's reviews are thinner and marred by a billing dispute.

Rooms & rates, 2026-10-10

Capella Bangkok

  • Twin Room (Riverfront) 2 Twin Beds Non RefundableRoom Only$1,672
  • Standard Room River FrontRoom Only · free cancellation$1,691
  • Twin Room (Riverfront) 2 Twin BedsRoom Only · free cancellation$1,732
All rooms & rates

The Siam

  • Siam SuiteBreakfast Included$638
  • Siam Suite(1 King Bed)Breakfast Included$638
  • Suite King Size BedBreakfast Included$692
All rooms & rates
In guests' own words

Capella Bangkok

No written reviews on file.

All reviews

The Siam

10/10

One of the best hotels I have stayed at. The staff were fantastic!! Nat was the best. He arranged everything we needed!

10/10

“Honeymoon approved ”

This Resort was absolutely amazing. The service was outstanding. It was our Honeymoon annd I anm so happy I picked this hotel. Our Butler Zul was so attentive and kind. He anticipated our needs and reserved the hotel boat for us to and from where we wanted to go and we felt so safe. The breakfast was some of the best food my husband and I have had and the afternoon tea was delightful. The pool was wonderful and entir

10/10

“Missing Siam already”

The hotel was amazingly beautiful and well appointed. We stayed in a villa and it was heaven. Our butler was so helpful in making arrangements for the hotel boat to take us to our activities and gave us great recommendations on this to do. We misses him and the rest of the friendly hotel team the minute we left!

All reviews
About each

Capella Bangkok

Capella BangkokCapella BangkokCapella BangkokCapella Bangkok

Luxurious Accommodation with Diverse Dining Options Capella Bangkok - SHA Plus Certified, located in Bangkok, offers a lavish stay with an outdoor pool, fitness center, and garden. Enjoy a variety of facilities including a shared lounge, terrace, and bar. The hotel provides free WiFi, a sauna, and evening entertainment. Indulge in rooms with balconies and…

Check-in — · Check-out 12:00 PM

The Siam

The SiamThe SiamThe SiamThe Siam

Luxurious Spa and Recreational Amenities Indulge in massages, body treatments, and facials at the spa. Enjoy the outdoor pool, sauna, and 24-hour fitness center for relaxation. Dining Options and Entertainment Savor Thai cuisine at Chon Restaurant or opt for 24-hour room service. Unwind at the bar/lounge, poolside bar, or coffee shop/cafe. Elegant…

Check-in — · Check-out 12:00 PM

Facilities, in full

Capella Bangkok

  • Fitness facilities
  • WiFi available
  • Free WiFi
  • Parking
  • Free Parking
  • Non-smoking rooms
  • Air conditioning
  • Fitness center
  • Swimming pool
  • 24-hour front desk
  • Restaurant
  • Room service
  • Business center
  • Terrace
  • Family rooms
  • Garden

The Siam

  • Elevator
  • Fitness facilities
  • Free airport transportation
  • Supervised childcare/activities
  • ATM/banking
  • Shopping on site
  • Conference space
  • Library
  • Free breakfast
  • Safe-deposit box at front desk
  • Free newspapers in lobby
  • Porter/bellhop
  • Express check-out
  • Limo or town car service available
  • Full-service spa
  • Internet access in public areas - high speed
Where they are
More comparisons in Bangkok

Rates are live for 2026-10-10, one night, two guests, fetched together so the two are comparable. Facilities and reviews are from each hotel's own listing. The honest take is written by our AI from the listing, the reviews and what is widely known about each hotel. HotelDupe earns a commission if you book, which never changes the verdict. All comparisons