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SIHOO Ergonomic Office Chair vs Primy Ergonomic Office Chair — Which Is Better?

Office Chair · Updated September 2026 · Live prices
SIHOO M18 Ergonomic Office Chair, High Back Mesh Desk Chair with Adjustable Headrest & Lumbar Support, 330lbs Capacity Computer Chair with 2D Armrests & Wide Cushion, Tilt Lock, for Home Office-Black
A
SIHOO Ergonomic Office Chair
SIHOO
Amazon BSR #6,188
$146.99
View deal →
Overall Winner
Primy Drafting Chair Tall Office Chair with Flip-up Armrests Executive Ergonomic Computer Standing Desk Chair with Lumbar Support and Adjustable Footrest Ring (Black)
B
Primy Ergonomic Office Chair
Primy
Amazon BSR #1,287
$108.96
was $149.99
View deal →
TOO CLOSE TO CALL

The main difference between the two chairs is the demand, with Primy having a higher sales rank of #1287. The SIHOO chair has a wider seat, at 21 inches, while the Primy chair has a narrower seat, at 18.5 inches. The SIHOO chair is priced at $132.99, $3 more than the Primy chair.

  • SIHOO is $3 more than Primy
  • Primy has a higher demand, ranked #1287
  • SIHOO has a wider seat, at 21 inches
Right now · SIHOO Ergonomic Office Chair

The SIHOO chair is currently priced at $132.99, which is near its all-time low. It has a sales rank of #6188.

Right now · Primy Ergonomic Office Chair

The Primy chair is currently priced at $129.99, also near its all-time low. It has a higher demand, with a sales rank of #1287.

Pros & cons

SIHOO Ergonomic Office Chair
Ergonomic design provides support for head, back, and hips
Breathable mesh keeps your back cool and comfortable
Adjustable headrest and lumbar support for customization
Budget-friendly price point for an ergonomic chair
Limited to users 5'6" to 6'2" tall due to design
n
Assembly required, which may be a hassle for some
n
Weight capacity is 330lbs, which may not suit all users" ], "buy_signal
:
STRONG
n
Primy Ergonomic Office Chair
Adjustable lumbar support for spine protection
Footrest for reduced leg pressure
Breathable mesh back for comfort
360° rotating chair for easy mobility
May not fit larger users due to standard size
Assembly required, potentially complex
Limited to home office or personal use

Composite Score

SIHOO Ergonomic Office Chair
39/100
VS
Primy Ergonomic Office Chair
75/100
Amazon Demand (50%)
52%
61%
Value Metric (30%)
55%
70%
Deal Timing (20%)
0%
100%

Quick verdict

Overall Winner
Primy Ergonomic Office Chair
Best Value
Primy Ergonomic Office Chair
Highest Demand
Primy Ergonomic Office Chair
Best Deal Timing
Primy Ergonomic Office Chair

What actually differs

SpecSIHOO Ergonomic Office ChairPrimy Ergonomic Office ChairWhat it means
Seat Width21 inches18.5 inchesMore space for larger users
Sales Rank#6188#1287Higher demand
Price$132.99$129.99$3 difference

Who each one is for

SIHOO Ergonomic Office Chair

The SIHOO chair is suitable for those who need a wider seat and are willing to pay $3 more. It has a breathable mesh back and adjustable headrest, making it a good option for home office use.

Primy Ergonomic Office Chair

The Primy chair is a better option for those who want a more affordable chair with a higher demand. It has a footrest and adjustable lumbar support, making it a good choice for those who need these features.

Demand right now

The demand for the Primy chair is higher, with a sales rank of #1287, indicating more popularity among buyers. The SIHOO chair has a sales rank of #6188, which is lower in demand.

Bottom line

The Primy chair is the overall winner due to its higher demand and lower price. However, the SIHOO chair has a wider seat and more features, making it a good option for those who need these. If you're looking for a more affordable chair with a higher demand, the Primy chair is the better choice. Consider your specific needs and priorities before making a decision.

Common questions

Which chair has a wider seat?
The SIHOO chair has a wider seat, at 21 inches.
Is the Primy chair more affordable?
Yes, the Primy chair is $3 cheaper than the SIHOO chair.
What is the sales rank of the SIHOO chair?
The SIHOO chair has a sales rank of #6188.
Does the Primy chair have a footrest?
Yes, the Primy chair has a footrest and adjustable lumbar support.
Which chair is better for home office use?
The SIHOO chair is a good option for home office use, with a breathable mesh back and adjustable headrest.

Scores are based on Amazon demand, live vs list price, and price history, without considering star ratings.

TL;DR
  • Right now — SIHOO Ergonomic Office Chair: $146.99, Amazon BSR #6,188.
  • Right now — Primy Ergonomic Office Chair: $108.96, down from $149.99, near its all-time low ($108.96), Amazon BSR #1,287.
  • If price matters most, the Primy Ergonomic Office Chair is $108.96 and near its all-time low.
  • Stronger Amazon demand: Primy Ergonomic Office Chair (BSR #1,287).
  • Composite pick (demand + value + deal): Primy Ergonomic Office Chair.

Winner by category

CategorySIHOO Ergonomic Office ChairPrimy Ergonomic Office ChairWinner
ValuePrimy Ergonomic Office Chair$38.03 cheaper
DemandPrimy Ergonomic Office ChairBSR #1,287
Deal ScorePrimy Ergonomic Office Chair100/100
OverallPrimy Ergonomic Office ChairDemand + value + deal

Price comparison

SIHOO Ergonomic Office Chair
$146.99
Lowest ever: $132.53
0/100
Difference
$38.03
Primy Ergonomic Office Chair
$108.96
Lowest ever: $108.96
100/100

Price history

SIHOO Ergonomic Office ChairPrimy Ergonomic Office Chair
A lowest ever$132.53
B lowest ever$108.96
Current A$146.99
Current B$108.96

Key specs

SpecSIHOO Ergonomic Office ChairPrimy Ergonomic Office Chair
Weight Capacity Lbs330
Lumbar Support
Materialmesh
Headrest

Full specifications

SpecSIHOO Ergonomic Office ChairPrimy Ergonomic Office Chair
SizePack of 1934-Z
ColorBlackBlack
ModelB100-Lite-M101-JT-JPPR934-Parent
BindingKitchenKitchen
Depth In27.518.9
Headrest
Materialmesh
Width In2118.5
Height In1135.83
UnitCount11
Weight Lb38.0328.66
Dimensions21"W × 27.5"D × 11"H18.5"W × 18.9"D × 35.83"H
ProductGroupHomeFurniture
IsAdultProduct
ItemPartNumber‎M18-M148934
Lumbar Support
Amazon Sales Rank61881287
Weight Capacity Lbs330
Warranty3 year.

Price intelligence

◆ HawkShift AI
14 scans
Every 0.9d avg
Current Price
$146.99
Predicted 7D
$142.25
$4.74 (3.22%)
Predicted 30D
$146.21
$0.78 (0.53%)
AI Signal
Wait
13% confidence
Price
EMA
Forecast
Low
$132.53
Avg
$134.69
High
$146.99
Now
$146.99
Price Intelligence
TrendDOWN
Confidence13%
Volatility8.7%
Data QualityMedium
Scan Freq0.9d
Key Levels
Resistance$146.99
Support$132.85
All-Time High$146.99
All-Time Low$132.53
AI Factors
🌙 Seasonal-5%
🏷 Promo 7D85%
📅 Next Event
Labor Day Sale
Recommendation
Wait
High probability of sale event in next 7 days
Price Range
$132.53$146.99
100th percentile
Confidence Intervals
7 Day
$138.36$146.14
30 Day
$131.26$146.99
Trend Strength
0.34Weak
R² SCORE
Price Momentum
+10.91%
vs last 7 scans
◆ HawkShift Price Intelligence · Predictions updated every scan
◆ HawkShift AI
14 scans
Every 0.9d avg
Current Price
$108.96
Predicted 7D
$103.41
$5.55 (5.09%)
Predicted 30D
$103.41
$5.55 (5.09%)
AI Signal
Strong Buy
18% confidence
Price
EMA
Forecast
Low
$108.96
Avg
$117.90
High
$149.99
Now
$108.96
Price Intelligence
TrendDOWN
Confidence18%
Volatility32.9%
Data QualityMedium
Scan Freq0.9d
Key Levels
Resistance$130.78
Support$110.27
All-Time High$149.99
All-Time Low$108.96
AI Factors
🌙 Seasonal-5%
🏷 Promo 7D85%
📅 Next Event
Labor Day Sale
Recommendation
Strong Buy
Price is within 8% of historical floor ($110.27)
Price Range
$108.96$149.99
0th percentile
Confidence Intervals
7 Day
$103.51$114.35
30 Day
$103.51$128.95
Trend Strength
0.53Moderate
R² SCORE
Price Momentum
0.00%
vs last 7 scans
◆ HawkShift Price Intelligence · Predictions updated every scan

Feature differences

SIHOO Ergonomic Office Chair has Headrest
Both have Lumbar Support

Performance analysis

Deal timing

SIHOO Ergonomic Office Chair: $146.99, Amazon BSR #6,188. Primy Ergonomic Office Chair: $108.96, down from $149.99, near its all-time low ($108.96), Amazon BSR #1,287.

Demand

The Primy Ergonomic Office Chair shows stronger Amazon demand (BSR #1,287). Best Sellers Rank moves with real purchase volume — we use it instead of star ratings when reviews aren’t available.

Value

At $108.96, the Primy Ergonomic Office Chair is $38.03 cheaper. That gap is meaningful unless the pricier option has a must-have feature.

Overall

On HawkShift’s Amazon composite (demand + value + deal timing), the Primy Ergonomic Office Chair leads. This is not a star-rating verdict — it’s price and marketplace demand.

HawkShift
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