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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. Shadow Of The Tomb Raider
    11. Thermals And Noise
    12. Performance Over Time
  10. Additional Features And Software
    1. Software
    2. Extra Features
  11. Comments

Acer Chromebook Spin 311 (2021) vs Lenovo Chromebook Duet (2020)

Side-by-Side Comparison

Products

Acer Chromebook Spin 311 (2021)
Lenovo Chromebook Duet (2020)

Tested using Methodology v0.8

Updated Jan 25, 2024 09:34 PM

SEE PRICE
Amazon.com

Tested using Methodology v0.8

Updated Mar 19, 2024 01:13 PM

SEE PRICE
Amazon.com
Acer Chromebook Spin 311 (2021) Picture
Lenovo Chromebook Duet (2020) Picture

Variants

  • Chromebook Spin 311 (CP311-3H-K23X) (Pure Silver - 32GB)
  • Chromebook Spin 311 (CP311-3H-K3WL) (Pure Silver - 32GB)
  • Chromebook Spin 311 (CP311-3H-K4S1) (Pure Silver - 32GB)
  • Chromebook Spin 311 (CP311-3H-K63V) (Pure Silver - 32GB)
  • Chromebook Spin 311 (CP311-3H-K5V3) (Pure Silver - 32GB)
  • Chromebook Spin 311 (CP311-3H-K5GD) (Pure Silver - 64GB)
  • Chromebook Spin 311 (CP311-3H-K2RJ) (Pure Silver - 64GB)
  • Chromebook Spin 311 (CP311-3H-K14Q) (Pure Silver - 64GB)
  • Chromebook Spin 311 (CP311-3H-K0KH) (Pure Silver - 64GB)
  • Chromebook Spin 311 (CP311-3H-K9K9) (Pure Silver - 64GB)
  • Chromebook Duet (ZA6F0031US) (Iron Gray - 128GB)
  • Chromebook Duet (ZA6F0075US) (Iron Gray - 128GB)
  • Chromebook Duet (ZA6F0072US) (Iron Gray - 64GB)

Our Verdict

Acer Chromebook Spin 311 (2021)

Lenovo Chromebook Duet (2020)

The Acer Chromebook Spin 311 (2021) and the Lenovo Chromebook Duet (2020) are both 2-in-1 convertible laptops that you can also use in tablet mode. However, the Acer uses a 360-degree hinge that lets you flip the screen around, whereas the Lenovo has a kickstand and detachable keyboard. While the Lenovo's screen is smaller, it looks significantly sharper, brighter, and more colorful. The Acer's keyboard doesn't feel as cramped as the Lenovo's and provides a better typing experience. The Acer also has a larger touchpad and better port selection. CPU and GPU performance is about the same on both laptops; however, the Acer has a much longer battery life due to its larger battery capacity.

0

Main Differences for

Threshold 

0.10

School 

7.1
6.9

Battery 
 

9.4
8.7

Touchpad 
 

5.6
4.2

Ports 
 

4.0
1.0

Keyboard 
 

6.3
5.1

Portability 
 

8.9
9.4

Full Comparison

Design

Style 
 

Style Photo  

Acer Chromebook Spin 311 (2021) Style Photo
Lenovo Chromebook Duet (2020) Style Photo

Form Factor 
 

2 in 1
Tablet

Show text

Build Quality 
 

7.0
7.0

Build Quality Photo  

Acer Chromebook Spin 311 (2021) Build Quality Photo
Lenovo Chromebook Duet (2020) Build Quality Photo

Show text

Hinge 
 

7.5
6.8

Hinge Photo  

Acer Chromebook Spin 311 (2021) Hinge Photo
Lenovo Chromebook Duet (2020) Hinge Photo

Range 
 

360°
158°

Stability 
 

Good
Good

One Finger Lift 
 

No
No

Show text

Portability 
 

8.9
9.4

Dimensions Photo  

Acer Chromebook Spin 311 (2021) Dimensions Photo
Lenovo Chromebook Duet (2020) Dimensions Photo

Size 
 

11.6"
10.1"

Thickness 
 

0.8" (2.1 cm)
0.7" (1.8 cm)

Width 
 

11.4" (29.0 cm)
9.6" (24.4 cm)

Depth 
 

8.1" (20.5 cm)
6.6" (16.8 cm)

Volume 
 

76.2 in³ (1,248.5 cm³)
45.0 in³ (737.9 cm³)

Weight 
 

2.3 lbs (1.1 kg)
2.0 lbs (0.9 kg)

Charger Size 
 

6.2 in³ (101.4 cm³)
2.6 in³ (43.0 cm³)

Charger Weight 
 

0.5 lbs (0.2 kg)
0.2 lbs (0.1 kg)

Show text

Serviceability 
 

4.5
0.0

Internals Photo  

Acer Chromebook Spin 311 (2021) Internals Photo
Lenovo Chromebook Duet (2020) Internals Photo

Ease Of Access 
 

8.0
0

RAM Slots 
 

0
0

Storage Slots 
 

0
0

Replaceable Battery 
 

Yes
No

Replaceable Wireless Adapter 
 

No
No

Show text

In The Box 
 

In The Box Photo  

Acer Chromebook Spin 311 (2021) In The Box Photo
Lenovo Chromebook Duet (2020) In The Box Photo

Show text

Display

Screen Specs 
 

Display Photo  

Acer Chromebook Spin 311 (2021) Display Photo
Lenovo Chromebook Duet (2020) Display Photo

Resolution 
 

1366 x 768
1920 x 1200

Aspect Ratio 
 

16:9
16:10

Pixel Density 
 

131 PPI
229 PPI

Panel Type 
 

IPS
IPS

Touch Screen 
 

Yes
Yes

Screen-To-Body Ratio 
 

64%
70%

Show text

Refresh Rate 
 

5.9
5.9

Motion Blur  

Acer Chromebook Spin 311 (2021) Motion Blur
Lenovo Chromebook Duet (2020) Motion Blur

Refresh Rate 
 

60 Hz
60 Hz

Variable Refresh Rate 
 

No
No

Show text

Contrast 
 

7.4
6.6

Contrast Photo  

Acer Chromebook Spin 311 (2021) Contrast Photo
Lenovo Chromebook Duet (2020) Contrast Photo

Native Contrast 
 

1,361 : 1
944 : 1

Show text

Brightness  
 

6.0
7.8

Maximum Brightness 
 

220 cd/m²
372 cd/m²

Minimum Brightness 
 

1 cd/m²
4 cd/m²

Show text

Reflections 
 

7.4
7.0

Reflections Photo Off  

Acer Chromebook Spin 311 (2021) Reflections Photo Off
Lenovo Chromebook Duet (2020) Reflections Photo Off

Reflections Photo Max  

Acer Chromebook Spin 311 (2021) Reflections Photo Max
Lenovo Chromebook Duet (2020) Reflections Photo Max

Screen Finish 
 

Glossy
Glossy

Total Reflections 
 

4.08%
5.08%

Indirect Reflections 
 

0.78%
1.76%

Calculated Direct Reflections 
 

3.29%
3.31%

Show text

Black Uniformity 
 

6.2
6.6

Black Uniformity Photo  

Acer Chromebook Spin 311 (2021) Black Uniformity Photo
Lenovo Chromebook Duet (2020) Black Uniformity Photo

Uniformity (Std. Dev.) 
 

1.890%
1.603%

Show text

Horizontal Viewing Angle 
 

6.4
7.6

Horizontal Viewing Angle Video  

Horizontal Chroma Picture  

Acer Chromebook Spin 311 (2021) Horizontal Chroma Picture
Lenovo Chromebook Duet (2020) Horizontal Chroma Picture

Color Washout From Left 
 

21°
31°

Color Washout From Right 
 

23°
33°

Horizontal Hue Picture  

Acer Chromebook Spin 311 (2021) Horizontal Hue Picture
Lenovo Chromebook Duet (2020) Horizontal Hue Picture

Color Shift From Left 
 

41°
60°

Color Shift From Right 
 

34°
60°

Horizontal Lightness Picture  

Acer Chromebook Spin 311 (2021) Horizontal Lightness Picture
Lenovo Chromebook Duet (2020) Horizontal Lightness Picture

Brightness Loss From Left 
 

24°
31°

Brightness Loss From Right 
 

26°
33°

Black Level Raise From Left 
 

60°
60°

Black Level Raise From Right 
 

60°
60°

Gamma Shift From Left 
 

26°
36°

Gamma Shift From Right 
 

27°
40°

Show text

Vertical Viewing Angle 
 

6.3
7.2

Vertical Viewing Angle Video  

Vertical Chroma Picture  

Acer Chromebook Spin 311 (2021) Vertical Chroma Picture
Lenovo Chromebook Duet (2020) Vertical Chroma Picture

Color Washout From Below 
 

24°
28°

Color Washout From Above 
 

25°
27°

Vertical Hue Picture  

Acer Chromebook Spin 311 (2021) Vertical Hue Picture
Lenovo Chromebook Duet (2020) Vertical Hue Picture

Color Shift From Below 
 

28°
45°

Color Shift From Above 
 

25°
45°

Vertical Lightness Picture  

Acer Chromebook Spin 311 (2021) Vertical Lightness Picture
Lenovo Chromebook Duet (2020) Vertical Lightness Picture

Brightness Loss From Below 
 

24°
32°

Brightness Loss From Above 
 

25°
30°

Black Level Raise From Below 
 

45°
45°

Black Level Raise From Above 
 

45°
45°

Gamma Shift From Below 
 

27°
30°

Gamma Shift From Above 
 

29°
29°

Show text

Out-Of-The-Box Color Accuracy 
 

7.0
6.7

White Balance Screencap  

Acer Chromebook Spin 311 (2021) White Balance Screencap
Lenovo Chromebook Duet (2020) White Balance Screencap

Gamma Curve Screencap  

Acer Chromebook Spin 311 (2021) Gamma Curve Screencap
Lenovo Chromebook Duet (2020) Gamma Curve Screencap

Color Screencap  

Acer Chromebook Spin 311 (2021) Color Screencap
Lenovo Chromebook Duet (2020) Color Screencap

Avg. White Balance dE 
 

2.53
4.4

Avg. Gamma 
 

2.36
2.12

Avg. Color dE 
 

4.31
2.81

Avg. Color Temperature 
 

6,504 K
7,486 K

Show text

Color Gamut 
 

4.7
8.5

Gamut SDR  

Acer Chromebook Spin 311 (2021) Gamut SDR
Lenovo Chromebook Duet (2020) Gamut SDR

sRGB xy 
 

71.54%
99.98%

sRGB uv 
 

59.05%
99.89%

Adobe RGB xy 
 

53.26%
75.98%

Adobe RGB uv 
 

51.21%
86.67%

Gamut HDR  

Acer Chromebook Spin 311 (2021) Gamut HDR
Lenovo Chromebook Duet (2020) Gamut HDR

DCI P3 xy 
 

52.94%
75.74%

DCI P3 uv 
 

47.52%
80.61%

Rec. 2020 xy 
 

38%
54.29%

Rec. 2020 uv 
 

34.67%
58.74%

Show text

Flicker 
 

10
10

Flicker Graph  

Acer Chromebook Spin 311 (2021) Flicker Graph
Lenovo Chromebook Duet (2020) Flicker Graph

Flicker-Free 
 

Yes
Yes

Flicker Frequency 
 

No Flicker
No Flicker

Flicker Active Below 
 

0%
0%

Show text

Interface

Keyboard 
 

6.3
5.1

Keyboard Photo  

Acer Chromebook Spin 311 (2021) Keyboard Photo
Lenovo Chromebook Duet (2020) Keyboard Photo

Typing Quality 
 

7.5
6.0

Numpad 
 

No
No

Backlighting 
 

No
No

Key Switch Actuation Graph  

See details on graph tool
See details on graph tool

Operating Force 
 

65 gf
66 gf

Actuation Force 
 

34 gf
36 gf

Pre-Travel 
 

0.93 mm
1.02 mm

Total Travel 
 

1.72 mm
1.48 mm

Show text

Touchpad 
 

5.6
4.2

Touchpad Photo  

Acer Chromebook Spin 311 (2021) Touchpad Photo
Lenovo Chromebook Duet (2020) Touchpad Photo

Tracking Quality 
 

5.5
4.0

Size 
 

9.7 in² (62.5 cm²)
6.5 in² (41.9 cm²)

Material 
 

Plastic
Plastic

Dedicated Buttons 
 

No
No

Show text

Speakers 
 

6.9
4.6

Frequency Response Plot  

See details on graph tool
See details on graph tool

Max Volume 
 

78 dB SPL
73 dB SPL

Standard Error @ Normal Vol. (65 dB) 
 

6.8 dB
10.7 dB

Slope @ Normal Vol. (65 dB) 
 

0.1
2.7

Bass Extension (Low-Frequency Ext.) 
 

375 Hz
370 Hz

Treble Extension (High-Frequency Ext.) 
 

17 kHz
20 kHz

Dynamic Range Compression @ Max Vol. 
 

0.8 dB
0.4 dB

Show text

Webcam & Microphone 
 

4.8
5.7

Webcam Video Sample  

Video Quality 
 

4.5
5.5

Resolution 
 

720p
720p

Position 
 

Top Center
Top Center

Privacy Cover 
 

No
No

Face Unlock 
 

No
No

Show text

Connectivity

Ports 
 

4.0
1.0

Ports Photo  

Acer Chromebook Spin 311 (2021) Ports Photo
Lenovo Chromebook Duet (2020) Ports Photo

USB-A Ports 
 

1
0

USB-C Ports 
 

1
1

Thunderbolt 
 

No
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 
 

No
No

Ethernet 
 

No
No

Proprietary Port 
 

No
5-Point Pogo Pins for Keyboard

Security Lock 
 

Yes
No

Show text

Wireless Communication 
 

Wi-Fi 
 

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

Bluetooth 
 

4.2
4.2

Show text

Configuration

CPU 
 

Brand 
 

MediaTek
MediaTek

Model 
 

MT8183
Helio P60T

Core Count 
 

8
8

Thread Count 
 

8
8

Show text

GPU 
 

Brand 
 

ARM
ARM

Model 
 

Mali-G72 MP3
Mali-G72 MP3

Dedicated/Integrated 
 

Integrated
Integrated

VRAM Size 
 

N/A
N/A

Show text

RAM 
 

Capacity 
 

4 GB
4 GB

Modules 
 

1 (Soldered)
2 (Soldered)

Type 
 

LP-DDR4X
LP-DDR4X

Speed 
 

2,133 MHz
N/A

Show text

Storage 
 

Advertised Capacity 
 

32 GB
64 GB

Usable Capacity 
 

20 GB
46 GB

Drive 1 
 

TB2932
KMDV60010A

Drive 1 Type  

eMMC
eMMC

Drive 2 
 

No 2nd Drive
No 2nd Drive

Drive 2 Type  

No 2nd Drive
No 2nd Drive

Show text

Performance

Geekbench 5 (Synthetics) 
 

2.8
2.9

Geekbench Image  

Acer Chromebook Spin 311 (2021) Geekbench Image
Lenovo Chromebook Duet (2020) Geekbench Image

CPU Single-Thread 
 

298 points
303 points

CPU Multi-Thread 
 

1,383 points
1,430 points

GPU Compute 
 

N/A
N/A

Show text

Cinebench R23 (CPU Rendering) 
 

0.0
0.0

Cinebench R23 Photo  

Acer Chromebook Spin 311 (2021) Cinebench R23 Photo
Lenovo Chromebook Duet (2020) Cinebench R23 Photo

Single-Thread 
 

N/A
N/A

Multi-Thread 
 

N/A
N/A

Show text

Blender (3D Rendering) 
 

0.0
0.0

Blender Image  

Acer Chromebook Spin 311 (2021) Blender Image
Lenovo Chromebook Duet (2020) Blender Image

CPU Render Time 
 

N/A
N/A

GPU Render Time 
 

N/A
N/A

GPU Render Time (Optix) 
 

N/A
N/A

Show text

Basemark GPU (Game Scene) 
 

0.7
1.5

Basemark Image  

Acer Chromebook Spin 311 (2021) Basemark Image
Lenovo Chromebook Duet (2020) Basemark Image

Overall Score 
 

1,552
3,285

Show text

Storage Drive Performance 
 

3.6
3.2

Storage Performance Image  

Acer Chromebook Spin 311 (2021) Storage Performance Image
Lenovo Chromebook Duet (2020) Storage Performance Image

Sequential Write Speed 
 

31.1 MB/s
125.7 MB/s

Sequential Read Speed 
 

157.7 MB/s
163.1 MB/s

Random Write Speed 
 

2.3 MB/s
4.7 MB/s

Random Read Speed 
 

9.7 MB/s
4.1 MB/s

Show text

Battery 
 

9.4
8.7

Capacity 
 

36 Wh
27 Wh

Battery Life (Web Browsing) 
 

15.9 hrs
11.9 hrs

Battery Life (Video Playback) 
 

12.8 hrs
6.8 hrs

Battery Life (Gaming) 
 

5.5 hrs
2.7 hrs

Charge Time 
 

2.7 hrs
2.8 hrs

Show text

Borderlands 3 
 

0.0
0.0

Borderlands 3 Graph  

Acer Chromebook Spin 311 (2021) Borderlands 3 Graph
Lenovo Chromebook Duet (2020) 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  

Acer Chromebook Spin 311 (2021) Civilization VI Graph
Lenovo Chromebook Duet (2020) 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  

Acer Chromebook Spin 311 (2021) CS:GO graph
Lenovo Chromebook Duet (2020) 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

Shadow Of The Tomb Raider 
 

0.0
0.0

SOTTR Graph  

Acer Chromebook Spin 311 (2021) SOTTR Graph
Lenovo Chromebook Duet (2020) 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 
 

9.4
10

Keyboard Temps Picture  

Acer Chromebook Spin 311 (2021) Keyboard Temps Picture
Lenovo Chromebook Duet (2020) Keyboard Temps Picture

Keyboard Temp While Idle 
 

30 °C (86 °F)
22 °C (72 °F)

Keyboard Temp Under Load 
 

34 °C (93 °F)
23 °C (74 °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 Image  

Acer Chromebook Spin 311 (2021) Performance Over Time Image
Lenovo Chromebook Duet (2020) 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 
 

No
No

Secondary Display 
 

No
No

Biometrics 
 

No
No

Show text

Acer Chromebook Spin 311 (2021)

Lenovo Chromebook Duet (2020)

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Acer Chromebook Spin 311 (2021) vs Lenovo Chromebook Duet (2020): Main Discussion

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