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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Build Quality
    3. Hinge
    4. Portability
    5. Serviceability
    6. In The Box
  5. Display
    1. Screen Specs
    2. Refresh Rate
    3. Contrast
    4. Brightness
    5. Reflections
    6. Black Uniformity
    7. Horizontal Viewing Angle
    8. Vertical Viewing Angle
    9. Out-Of-The-Box Color Accuracy
    10. Color Gamut
    11. Flicker
  6. Interface
    1. Keyboard
    2. Touchpad
    3. Speakers
    4. Webcam & Microphone
  7. Connectivity
    1. Ports
    2. Wireless Communication
  8. Configuration
    1. CPU
    2. GPU
    3. RAM
    4. Storage
  9. Performance
    1. Geekbench 5 (Synthetics)
    2. Cinebench R23 (CPU Rendering)
    3. Blender (3D Rendering)
    4. Basemark GPU (Game Scene)
    5. Storage Drive Performance
    6. Battery
    7. Borderlands 3
    8. Civilization VI
    9. Counter-Strike: Global Offensive
    10. Counter-Strike 2
    11. Shadow Of The Tomb Raider
    12. Thermals And Noise
    13. Performance Over Time
  10. Additional Features And Software
    1. Software
    2. Extra Features
  11. Comments

ASUS Chromebook Flip CX5 14 (2021) vs Lenovo Chromebook Duet 5 (2021)

Side-by-Side Comparison

Products

ASUS Chromebook Flip CX5 14 (2021)
Lenovo Chromebook Duet 5 (2021)

Tested using Methodology v0.8.2

Updated Jul 10, 2024 02:57 PM

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Amazon.com

Tested using Methodology v0.8

Updated Jul 17, 2023 03:16 PM

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BestBuy.com
ASUS Chromebook Flip CX5 14 (2021) Picture
Lenovo Chromebook Duet 5 (2021) Picture

Variants

  • Chromebook Flip CX5 14 (CX5400FMA-DN388T-S) (AI Blue - FHD/Touch/i3/8GB/128GB)
  • Chromebook Flip CX5 14 (CX5400FMA-DS31-CA) (AI Blue - FHD/Touch/i3/8GB/128GB)
  • Chromebook Flip CX5 14 (CX5400FMA-DN566T-S) (AI Blue - FHD/Touch/i5/16GB/256GB)
  • Chromebook Flip CX5 14 (CX5400FMA-DN762T-S) (AI Blue - FHD/Touch/i7/16GB/512GB)
  • Chromebook Duet 5 (82QS001NCF) (Abyss Blue - 4GB/128GB)
  • Chromebook Duet 5 (82QS0000US) (Abyss Blue - 4GB/64GB)
  • Chromebook Duet 5 (82QS001HUS) (Abyss Blue - 8GB/128GB)
  • Chromebook Duet 5 (82QS001DUS) (Storm Gray - 4GB/64GB)

Our Verdict

ASUS Chromebook Flip CX5 14 (2021)

Lenovo Chromebook Duet 5 (2021)

Although the ASUS Chromebook Flip CX5 14 (2021) and the Lenovo Chromebook Duet 5 (2021) are both 2-in-1s, the ASUS is a convertible with a 360-degree hinge, while the Lenovo is a tablet with a detachable kickstand. If you mainly need the laptop for work or school, the ASUS is a better option because it has a much better keyboard and touchpad, a wider port selection, and better performance overall. However, the Lenovo is a better option if you only need the laptop for media consumption, as its OLED display provides a much better viewing experience, especially in dim settings.

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Main Differences for
School

Threshold 

0.10

School 

7.4
7.0

Battery 
 

6.6
8.3

Keyboard 
 

7.4
5.1

Ports 
 

7.0
2.5

Portability 
 

8.2
9.1

Touchpad 
 

7.4
5.7

Geekbench 5 (Synthetics) 
 

7.2
4.2

Webcam & Microphone 
 

6.2
8.2

Full Comparison

Design

Style 
 

Style Photo  

ASUS Chromebook Flip CX5 14 (2021) Style Photo
Lenovo Chromebook Duet 5 (2021) Style Photo

Form Factor 
 

2 in 1
Tablet
Show Text 

Build Quality 
 

8.0
7.0

Build Quality Photo  

ASUS Chromebook Flip CX5 14 (2021) Build Quality Photo
Lenovo Chromebook Duet 5 (2021) Build Quality Photo
Show Text 

Hinge 
 

6.4
6.9

Hinge Photo  

ASUS Chromebook Flip CX5 14 (2021) Hinge Photo
Lenovo Chromebook Duet 5 (2021) Hinge Photo

Range 
 

360°
170°

Stability 
 

Decent
Good

One Finger Lift 
 

No
No
Show Text 

Portability 
 

8.2
9.1

Dimensions Photo  

ASUS Chromebook Flip CX5 14 (2021) Dimensions Photo
Lenovo Chromebook Duet 5 (2021) Dimensions Photo

Size 
 

14"
13.3"

Thickness 
 

0.7" (1.8 cm)
0.6" (1.6 cm)

Width 
 

12.7" (32.3 cm)
12.0" (30.5 cm)

Depth 
 

8.3" (21.0 cm)
7.7" (19.5 cm)

Volume 
 

74.5 in³ (1,220.9 cm³)
57.3 in³ (939.7 cm³)

Weight 
 

4.0 lbs (1.8 kg)
2.7 lbs (1.2 kg)

Charger Size 
 

6.5 in³ (105.9 cm³)
3.8 in³ (61.6 cm³)

Charger Weight 
 

0.7 lbs (0.3 kg)
0.2 lbs (0.1 kg)
Show Text 

Serviceability 
 

6.3
0.0

Internals Photo  

ASUS Chromebook Flip CX5 14 (2021) Internals Photo
Lenovo Chromebook Duet 5 (2021) Internals Photo

Ease Of Access 
 

7.5
0

RAM Slots 
 

0
0

Storage Slots 
 

1
0

Replaceable Battery 
 

Yes
No

Replaceable Wireless Adapter 
 

Yes
No
Show Text 

In The Box 
 

In The Box Photo  

ASUS Chromebook Flip CX5 14 (2021) In The Box Photo
Lenovo Chromebook Duet 5 (2021) In The Box Photo
Show Text 
Display

Screen Specs 
 

Display Photo  

ASUS Chromebook Flip CX5 14 (2021) Display Photo
Lenovo Chromebook Duet 5 (2021) Display Photo

Resolution 
 

1920 x 1080
1920 x 1080

Aspect Ratio 
 

16:9
16:9

Pixel Density 
 

157 PPI
166 PPI

Panel Type 
 

IPS
OLED

Touch Screen 
 

Yes
Yes

Screen-To-Body Ratio 
 

85%
85%
Show Text 

Refresh Rate 
 

5.9
5.9

Motion Blur  

ASUS Chromebook Flip CX5 14 (2021) Motion Blur
Lenovo Chromebook Duet 5 (2021) Motion Blur

Refresh Rate 
 

60 Hz
60 Hz

Variable Refresh Rate 
 

No
No
Show Text 

Contrast 
 

7.0
10

Contrast Photo  

ASUS Chromebook Flip CX5 14 (2021) Contrast Photo
Lenovo Chromebook Duet 5 (2021) Contrast Photo

Native Contrast 
 

1,120 : 1
100,400 : 1
Show Text 

Brightness  
 

7.3
7.5

Maximum Brightness 
 

324 cd/m²
345 cd/m²

Minimum Brightness 
 

10 cd/m²
3 cd/m²
Show Text 

Reflections 
 

7.6
6.5

Reflections Photo Off  

ASUS Chromebook Flip CX5 14 (2021) Reflections Photo Off
Lenovo Chromebook Duet 5 (2021) Reflections Photo Off

Reflections Photo Max  

ASUS Chromebook Flip CX5 14 (2021) Reflections Photo Max
Lenovo Chromebook Duet 5 (2021) Reflections Photo Max

Screen Finish 
 

Glossy
Glossy

Total Reflections 
 

3.87%
5.483%

Indirect Reflections 
 

0.56%
0.751%

Calculated Direct Reflections 
 

3.31%
4.73%
Show Text 

Black Uniformity 
 

5.6
10

Black Uniformity Photo  

ASUS Chromebook Flip CX5 14 (2021) Black Uniformity Photo
Lenovo Chromebook Duet 5 (2021) Black Uniformity Photo

Uniformity (Std. Dev.) 
 

2.261%
0.044%
Show Text 

Horizontal Viewing Angle 
 

7.0
6.0

Horizontal Viewing Angle Video  

Horizontal Chroma Picture  

ASUS Chromebook Flip CX5 14 (2021) Horizontal Chroma Picture
Lenovo Chromebook Duet 5 (2021) Horizontal Chroma Picture

Color Washout From Left 
 

26°
36°

Color Washout From Right 
 

27°
36°

Horizontal Hue Picture  

ASUS Chromebook Flip CX5 14 (2021) Horizontal Hue Picture
Lenovo Chromebook Duet 5 (2021) Horizontal Hue Picture

Color Shift From Left 
 

51°
18°

Color Shift From Right 
 

54°
19°

Horizontal Lightness Picture  

ASUS Chromebook Flip CX5 14 (2021) Horizontal Lightness Picture
Lenovo Chromebook Duet 5 (2021) Horizontal Lightness Picture

Brightness Loss From Left 
 

30°
40°

Brightness Loss From Right 
 

32°
42°

Black Level Raise From Left 
 

60°
22°

Black Level Raise From Right 
 

60°

Gamma Shift From Left 
 

29°
38°

Gamma Shift From Right 
 

31°
39°
Show Text 

Vertical Viewing Angle 
 

7.4
6.3

Vertical Viewing Angle Video  

Vertical Chroma Picture  

ASUS Chromebook Flip CX5 14 (2021) Vertical Chroma Picture
Lenovo Chromebook Duet 5 (2021) Vertical Chroma Picture

Color Washout From Below 
 

29°
35°

Color Washout From Above 
 

28°
37°

Vertical Hue Picture  

ASUS Chromebook Flip CX5 14 (2021) Vertical Hue Picture
Lenovo Chromebook Duet 5 (2021) Vertical Hue Picture

Color Shift From Below 
 

45°
17°

Color Shift From Above 
 

45°
19°

Vertical Lightness Picture  

ASUS Chromebook Flip CX5 14 (2021) Vertical Lightness Picture
Lenovo Chromebook Duet 5 (2021) Vertical Lightness Picture

Brightness Loss From Below 
 

30°
40°

Brightness Loss From Above 
 

29°
42°

Black Level Raise From Below 
 

45°
13°

Black Level Raise From Above 
 

45°
44°

Gamma Shift From Below 
 

37°
35°

Gamma Shift From Above 
 

33°
38°
Show Text 

Out-Of-The-Box Color Accuracy 
 

7.2
6.0

White Balance Screencap  

ASUS Chromebook Flip CX5 14 (2021) White Balance Screencap
Lenovo Chromebook Duet 5 (2021) White Balance Screencap

Gamma Curve Screencap  

ASUS Chromebook Flip CX5 14 (2021) Gamma Curve Screencap
Lenovo Chromebook Duet 5 (2021) Gamma Curve Screencap

Color Screencap  

ASUS Chromebook Flip CX5 14 (2021) Color Screencap
Lenovo Chromebook Duet 5 (2021) Color Screencap

Avg. White Balance dE 
 

3.85
2.92

Avg. Gamma 
 

2.24
2.38

Avg. Color dE 
 

2.72
5.29

Avg. Color Temperature 
 

6,818.8 K
5,962 K
Show Text 

Color Gamut 
 

7.9
9.7

Gamut SDR  

ASUS Chromebook Flip CX5 14 (2021) Gamut SDR
Lenovo Chromebook Duet 5 (2021) Gamut SDR

sRGB xy 
 

94%
154.2%

sRGB uv 
 

95.29%
142.73%

Adobe RGB xy 
 

71.29%
96.2%

Adobe RGB uv 
 

82.4%
98.86%

Gamut HDR  

ASUS Chromebook Flip CX5 14 (2021) Gamut HDR
Lenovo Chromebook Duet 5 (2021) Gamut HDR

DCI P3 xy 
 

71.46%
100%

DCI P3 uv 
 

78.36%
100%

Rec. 2020 xy 
 

51.49%
81.51%

Rec. 2020 uv 
 

58.16%
82.8%
Show Text 

Flicker 
 

10
10

Flicker Graph  

ASUS Chromebook Flip CX5 14 (2021) Flicker Graph
Lenovo Chromebook Duet 5 (2021) Flicker Graph

Flicker-Free 
 

Yes
No

Flicker Frequency 
 

No Flicker
> 1000Hz

Flicker Active Below 
 

0%
0%
Show Text 
Interface

Keyboard 
 

7.4
5.1

Keyboard Photo  

ASUS Chromebook Flip CX5 14 (2021) Keyboard Photo
Lenovo Chromebook Duet 5 (2021) Keyboard Photo

Typing Quality 
 

7.0
6.0

Numpad 
 

No
No

Backlighting 
 

Adjustable
No

Key Switch Actuation Graph  

See details on graph tool
See details on graph tool

Operating Force 
 

66 gf
72 gf

Actuation Force 
 

31 gf
37 gf

Pre-Travel 
 

0.96 mm
0.93 mm

Total Travel 
 

1.47 mm
1.58 mm
Show Text 

Touchpad 
 

7.4
5.7

Touchpad Photo  

ASUS Chromebook Flip CX5 14 (2021) Touchpad Photo
Lenovo Chromebook Duet 5 (2021) Touchpad Photo

Tracking Quality 
 

7.5
5.5

Size 
 

13.1 in² (84.5 cm²)
9.8 in² (63.4 cm²)

Material 
 

Plastic
Plastic

Dedicated Buttons 
 

No
1
Show Text 

Speakers 
 

7.3
6.4

Frequency Response Plot  

See details on graph tool
See details on graph tool

Max Volume 
 

78 dB SPL
75 dB SPL

Standard Error @ Normal Vol. (65 dB) 
 

6.6 dB
6.8 dB

Slope @ Normal Vol. (65 dB) 
 

-1.1
-0.2

Bass Extension (Low-Frequency Ext.) 
 

354 Hz
302 Hz

Treble Extension (High-Frequency Ext.) 
 

20 kHz
15 kHz

Dynamic Range Compression @ Max Vol. 
 

1.1 dB
0.8 dB
Show Text 

Webcam & Microphone 
 

6.2
8.2

Webcam Video Sample  

Video Quality 
 

5.5
8.5

Resolution 
 

720p
1080p

Position 
 

Top Center
Top Center

Privacy Cover 
 

Yes
No

Face Unlock 
 

No
No
Show Text 
Connectivity

Ports 
 

7.0
2.5

Ports Photo  

ASUS Chromebook Flip CX5 14 (2021) Ports Photo
Lenovo Chromebook Duet 5 (2021) Ports Photo

USB-A Ports 
 

1
0

USB-C Ports 
 

2
2

Thunderbolt 
 

Thunderbolt 4
No

USB-C Charging 
 

Yes
Yes

USB-C Display Out 
 

Yes
Yes

HDMI 
 

No
No

DisplayPort 
 

No
No

3.5mm Jack 
 

Combo mic/headphone
None

Card Reader 
 

MicroSD UHS 1
No

Ethernet 
 

No
No

Proprietary Port 
 

No
5-Point Pogo Pins for Keyboard

Security Lock 
 

No
No
Show Text 

Wireless Communication 
 

Wi-Fi 
 

Wi-Fi 6 (802.11ax)
Wi-Fi 5 (802.11ac)

Bluetooth 
 

5.0
5.1
Show Text 
Configuration

CPU 
 

Brand 
 

Intel
Qualcomm

Model 
 

Core i5-1130G7
Snapdragon SC7180

Core Count 
 

4
8

Thread Count 
 

8
8
Show Text 

GPU 
 

Brand 
 

Intel
Qualcomm

Model 
 

Iris Xe Graphics
Adreno 618

Dedicated/Integrated 
 

Integrated
Integrated

VRAM Size 
 

N/A
N/A
Show Text 

RAM 
 

Capacity 
 

16 GB
4 GB

Modules 
 

1 (Soldered)
1 (Soldered)

Type 
 

LP-DDR4X
LP-DDR4X

Speed 
 

2,133 MHz
2,133 MHz
Show Text 

Storage 
 

Advertised Capacity 
 

256 GB
64 GB

Usable Capacity 
 

224 GB
47 GB

Drive 1 
 

Kingston OM8PDP3256B-AB1
Unknown

Drive 1 Type  

SSD
eMMC

Drive 2 
 

No 2nd Drive
No 2nd Drive

Drive 2 Type  

No 2nd Drive
No 2nd Drive
Show Text 
Performance

Geekbench 5 (Synthetics) 
 

7.2
4.2

Geekbench Image  

ASUS Chromebook Flip CX5 14 (2021) Geekbench Image
Lenovo Chromebook Duet 5 (2021) Geekbench Image

CPU Single-Thread 
 

1,175 points
607 points

CPU Multi-Thread 
 

2,590 points
1,528 points

GPU Compute 
 

N/A
N/A
Show Text 

Cinebench R23 (CPU Rendering) 
 

0.0
0.0

Cinebench R23 Photo  

ASUS Chromebook Flip CX5 14 (2021) Cinebench R23 Photo
Lenovo Chromebook Duet 5 (2021) Cinebench R23 Photo

Single-Thread 
 

N/A
N/A

Multi-Thread 
 

N/A
N/A
Show Text 

Blender (3D Rendering) 
 

5.0
0.0

Blender Image  

ASUS Chromebook Flip CX5 14 (2021) Blender Image
Lenovo Chromebook Duet 5 (2021) Blender Image

CPU Render Time 
 

9.4 min
N/A

GPU Render Time 
 

N/A
N/A

GPU Render Time (Optix) 
 

N/A
N/A
Show Text 

Basemark GPU (Game Scene) 
 

3.1
0.8

Basemark Image  

ASUS Chromebook Flip CX5 14 (2021) Basemark Image
Lenovo Chromebook Duet 5 (2021) Basemark Image

Overall Score 
 

7,066
1,847
Show Text 

Storage Drive Performance 
 

5.9
3.3

Storage Performance Image  

ASUS Chromebook Flip CX5 14 (2021) Storage Performance Image
Lenovo Chromebook Duet 5 (2021) Storage Performance Image

Sequential Write Speed 
 

232.0 MB/s
137.0 MB/s

Sequential Read Speed 
 

913.3 MB/s
159.4 MB/s

Random Write Speed 
 

1.2 MB/s
2.5 MB/s

Random Read Speed 
 

36.0 MB/s
5.9 MB/s
Show Text 

Battery 
 

6.6
8.3

Capacity 
 

47 Wh
42 Wh

Battery Life (Web Browsing) 
 

7.8 hrs
10.5 hrs

Battery Life (Video Playback) 
 

7.0 hrs
7.8 hrs

Battery Life (Gaming) 
 

3.4 hrs
6.7 hrs

Charge Time 
 

2.9 hrs
2.7 hrs
Show Text 

Borderlands 3 
 

0.0
0.0

Borderlands 3 Graph  

ASUS Chromebook Flip CX5 14 (2021) Borderlands 3 Graph
Lenovo Chromebook Duet 5 (2021) Borderlands 3 Graph

Avg. FPS 
 

N/A
N/A

1% Low 
 

N/A
N/A

0.1% Low 
 

N/A
N/A

1% Low Delta 
 

N/A
N/A

0.1% Low Delta 
 

N/A
N/A

Avg. FPS On Very Low 
 

N/A
N/A
Show Text 

Civilization VI 
 

0.0
0.0

Civilization VI Graph  

ASUS Chromebook Flip CX5 14 (2021) Civilization VI Graph
Lenovo Chromebook Duet 5 (2021) Civilization VI Graph

Avg. FPS 
 

N/A
N/A

1% Low 
 

N/A
N/A

0.1% Low 
 

N/A
N/A

1% Low Delta 
 

N/A
N/A

0.1% Low Delta 
 

N/A
N/A

Avg. FPS On Minimum 
 

N/A
N/A

Avg. Turn Time 
 

N/A
N/A
Show Text 

Counter-Strike: Global Offensive 
 

0.0
0.0

CS:GO graph  

ASUS Chromebook Flip CX5 14 (2021) CS:GO graph
Lenovo Chromebook Duet 5 (2021) CS:GO graph

Avg. FPS 
 

N/A
N/A

1% Low 
 

N/A
N/A

0.1% Low 
 

N/A
N/A

1% Low Delta 
 

N/A
N/A

0.1% Low Delta 
 

N/A
N/A

Avg. FPS On Low 
 

N/A
N/A
Show Text 

Counter-Strike 2 
 

CS2 Graph  

Avg. FPS 
 

1% Low 
 

0.1% Low 
 

1% Low Delta 
 

0.1% Low Delta 
 

Avg. FPS On Low 
 

Shadow Of The Tomb Raider 
 

0.0
0.0

SOTTR Graph  

ASUS Chromebook Flip CX5 14 (2021) SOTTR Graph
Lenovo Chromebook Duet 5 (2021) SOTTR Graph

Avg. FPS 
 

N/A
N/A

1% Low 
 

N/A
N/A

0.1% Low 
 

N/A
N/A

1% Low Delta 
 

N/A
N/A

0.1% Low Delta 
 

N/A
N/A

Avg. FPS On Lowest 
 

N/A
N/A
Show Text 

Thermals And Noise 
 

9.1
10

Keyboard Temps Picture  

ASUS Chromebook Flip CX5 14 (2021) Keyboard Temps Picture
Lenovo Chromebook Duet 5 (2021) Keyboard Temps Picture

Keyboard Temp While Idle 
 

28 °C (82 °F)
24 °C (75 °F)

Keyboard Temp Under Load 
 

39 °C (102 °F)
24 °C (75 °F)

Fan Noise While Idle 
 

N/A
N/A

Fan Noise Under Load 
 

N/A
N/A

Power & Fan Control App 
 

No
No
Show Text 

Performance Over Time 
 

0.0
0.0

Performance Over Time Graph  

ASUS Chromebook Flip CX5 14 (2021) Performance Over Time Graph

Performance Over Time Image  

Lenovo Chromebook Duet 5 (2021) Performance Over Time Image

CPU Temp (Cinebench) 
 

N/A
N/A

CPU Perf. Loss (Cinebench) 
 

N/A
N/A

GPU Temp (Heaven) 
 

N/A
N/A

GPU Perf. Loss (Heaven) 
 

N/A
N/A
Show Text 
Additional Features And Software

Software 
 

Operating System 
 

Chrome OS
Chrome OS

Additional Software 
 

None
None
Show Text 

Extra Features 
 

RGB Illumination 
 

No
No

Touch Pen 
 

Yes
No

Secondary Display 
 

No
No

Biometrics 
 

No
No
Show Text 

ASUS Chromebook Flip CX5 14 (2021)

Lenovo Chromebook Duet 5 (2021)

Comments

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ASUS Chromebook Flip CX5 14 (2021) vs Lenovo Chromebook Duet 5 (2021): Main Discussion

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