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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 VivoBook 15 OLED K513 (2021) vs ASUS Zenbook 14 OLED (2024)

Side-by-Side Comparison

Products

ASUS VivoBook 15 OLED K513 (2021)
ASUS Zenbook 14 OLED (2024)

Tested using Methodology v0.8.2

Updated May 02, 2024 02:25 PM

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Tested using Methodology v0.8.3

Updated May 02, 2025 02:38 PM

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ASUS VivoBook 15 OLED K513 (2021) Picture
ASUS Zenbook 14 OLED (2024) Picture
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Variants

  • VivoBook 15 OLED K513 (K513EA-AB54) (Indie Black - i5/12GB/512GB)
  • VivoBook 15 OLED K513 (K513EA-AH54) (Indie Black - i5/12GB/512GB)
  • VivoBook 15 OLED K513 (K513EA-L12892W) (Indie Black - i5/12GB/512GB)
  • VivoBook 15 OLED K513 (‎K513EQ-L1235T) (Indie Black - i5/MX350/16GB/512GB)
  • VivoBook 15 OLED K513 (K513EQ-PB56) (Indie Black - i5/MX350/8GB/512GB)
  • VivoBook 15 OLED K513 (‎K513EA-UH76) (Indie Black - i7/16GB/1TB)
  • VivoBook 15 OLED K513 (K513EQ-NB74 ) (Indie Black - i7/8GB/512GB)
  • VivoBook 15 OLED K513 (K513EA-BQ684) (Indie Black - i7/8GB/512GB)
  • VivoBook 15 OLED K513 (K513EQ-NB74) (Indie Black - i7/8GB/512GB)
  • VivoBook 15 OLED K513 (K513EQ-PB79) (Indie Black - i7/MX350/16GB/512GB)
  • VivoBook 15 OLED K513 (K513EQ-L1332T) (Transparent Silver - i5/8GB/512GB)
  • VivoBook 15 OLED K513 (‎K513EQ-L1215T) (Transparent Silver - i5/MX350/16GB/512GB)
  • VivoBook 15 OLED K513 (‎K513EQ-L1236T) (Transparent Silver - i5/MX350/16GB/512GB)
  • VivoBook 15 OLED K513 (K513EQ-L1235T) (Transparent Silver - i5/MX350/16GB/512GB)
  • VivoBook 15 OLED K513 (K513EA-L12437T) (Transparent Silver - i7/12GB/512GB)
  • VivoBook 15 OLED K513 (K513EQ-L1191T) (Transparent Silver - i7/MX350/8GB/512GB)
  • Zenbook 14 OLED (UX3405MA-DS51T-CA) (Ponder Blue - 2.8K/Touch/Ultra 5 125H/16GB/512GB)
  • Zenbook 14 OLED (UX3405MA-BS71T-CB) (Ponder Blue - 2.8K/Touch/Ultra 7 155H/16GB/1TB)
  • Zenbook 14 OLED (UX3405MA-PH77) (Ponder Blue - 2.8K/Touch/Ultra 7 155H/32GB/1TB)

Our Verdict

ASUS VivoBook 15 OLED K513 (2021)

ASUS Zenbook 14 OLED (2024)

The ASUS Vivobook 15 OLED K513 (2021) and the ASUS Zenbook 14 OLED (2024) are both ultraportables designed for light, general productivity tasks like text processing, web browsing, and video playback. The Zenbook is a more premium model and provides a better user experience overall, while the Vivobook is more of a budget option. As for the Vivobook, it might be a good option if you have a very strict budget; just know that its battery life is quite short at around six hours of light use.

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Main Differences for
School

Threshold 

0.10

School 

7.0
8.2

Battery 
 

5.5
7.2

Build Quality 
 

6.5
9.5

Touchpad 
 

7.2
8.8

Webcam & Microphone 
 

6.5
8.7

Full Comparison

Design

Style 
 

Style Photo  

ASUS VivoBook 15 OLED K513 (2021) Style Photo
ASUS Zenbook 14 OLED (2024) Style Photo

Form Factor 
 

Traditional (Clamshell)
Traditional (Clamshell)
Show Text 

Build Quality 
 

6.5
9.5

Build Quality Photo  

ASUS VivoBook 15 OLED K513 (2021) Build Quality Photo
ASUS Zenbook 14 OLED (2024) Build Quality Photo
Show Text 

Hinge 
 

6.6
9.4

Hinge Photo  

ASUS VivoBook 15 OLED K513 (2021) Hinge Photo
ASUS Zenbook 14 OLED (2024) Hinge Photo

Range 
 

140°
180°

Stability 
 

Good
Good

One Finger Lift 
 

No
Yes
Show Text 

Portability 
 

8.3
8.7

Dimensions Photo  

ASUS VivoBook 15 OLED K513 (2021) Dimensions Photo
ASUS Zenbook 14 OLED (2024) Dimensions Photo

Size 
 

15.6"
14"

Thickness 
 

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

Width 
 

14.1" (35.9 cm)
12.3" (31.3 cm)

Depth 
 

9.3" (23.5 cm)
8.7" (22.0 cm)

Volume 
 

92.2 in³ (1,510.1 cm³)
88.2 in³ (1,446.1 cm³)

Weight 
 

3.4 lbs (1.6 kg)
2.8 lbs (1.3 kg)

Charger Size 
 

7.7 in³ (126.8 cm³)
6.6 in³ (107.6 cm³)

Charger Weight 
 

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

Serviceability 
 

8.2
5.8

Internals Photo  

ASUS VivoBook 15 OLED K513 (2021) Internals Photo
ASUS Zenbook 14 OLED (2024) Internals Photo

Ease Of Access 
 

8.0
7.5

RAM Slots 
 

1
0

Storage Slots 
 

2
1

Replaceable Battery 
 

Yes
Yes

Replaceable Wireless Adapter 
 

Yes
No
Show Text 

In The Box 
 

In The Box Photo  

ASUS VivoBook 15 OLED K513 (2021) In The Box Photo
ASUS Zenbook 14 OLED (2024) In The Box Photo
Show Text 
Display

Screen Specs 
 

Display Photo  

ASUS VivoBook 15 OLED K513 (2021) Display Photo
ASUS Zenbook 14 OLED (2024) Display Photo

Resolution 
 

1920 x 1080
2880 x 1800

Aspect Ratio 
 

16:9
16:10

Pixel Density 
 

143 PPI
242 PPI

Panel Type 
 

OLED
OLED

Touch Screen 
 

No
Yes

Screen-To-Body Ratio 
 

77%
87%
Show Text 

Refresh Rate 
 

5.9
7.7

Motion Blur  

ASUS VivoBook 15 OLED K513 (2021) Motion Blur
ASUS Zenbook 14 OLED (2024) Motion Blur

Refresh Rate 
 

60 Hz
120 Hz

Variable Refresh Rate 
 

No
No
Show Text 

Contrast 
 

10
10

Contrast Photo  

ASUS VivoBook 15 OLED K513 (2021) Contrast Photo
ASUS Zenbook 14 OLED (2024) Contrast Photo

Native Contrast 
 

101,200 : 1
32,133 : 1
Show Text 

Brightness 
 

7.8
7.4

Maximum Brightness 
 

382 cd/m²
337 cd/m²

Minimum Brightness 
 

5 cd/m²
1 cd/m²
Show Text 

Reflections 
 

6.7
7.1

Reflections Photo Off  

ASUS VivoBook 15 OLED K513 (2021) Reflections Photo Off
ASUS Zenbook 14 OLED (2024) Reflections Photo Off

Reflections Photo Max  

ASUS VivoBook 15 OLED K513 (2021) Reflections Photo Max
ASUS Zenbook 14 OLED (2024) Reflections Photo Max

Screen Finish 
 

Glossy
Glossy

Total Reflections 
 

5.24%
4.88%

Indirect Reflections 
 

0.61%
1.44%

Calculated Direct Reflections 
 

4.63%
3.44%
Show Text 

Black Uniformity 
 

10
10

Black Uniformity Photo  

ASUS VivoBook 15 OLED K513 (2021) Black Uniformity Photo
ASUS Zenbook 14 OLED (2024) Black Uniformity Photo

Uniformity (Std. Dev.) 
 

0.345%
0.226%

Horizontal Viewing Angle 
 

7.1

Horizontal Viewing Angle Video  

Horizontal Chroma Picture  

ASUS VivoBook 15 OLED K513 (2021) Horizontal Chroma Picture

Color Washout From Left 
 

35°

Color Washout From Right 
 

37°

Horizontal Hue Picture  

ASUS VivoBook 15 OLED K513 (2021) Horizontal Hue Picture

Color Shift From Left 
 

21°

Color Shift From Right 
 

21°

Horizontal Lightness Picture  

ASUS VivoBook 15 OLED K513 (2021) Horizontal Lightness Picture

Brightness Loss From Left 
 

40°

Brightness Loss From Right 
 

41°

Black Level Raise From Left 
 

60°

Black Level Raise From Right 
 

60°

Gamma Shift From Left 
 

40°

Gamma Shift From Right 
 

41°
Show Text 

Vertical Viewing Angle 
 

7.1

Vertical Viewing Angle Video  

Vertical Chroma Picture  

ASUS VivoBook 15 OLED K513 (2021) Vertical Chroma Picture

Color Washout From Below 
 

38°

Color Washout From Above 
 

35°

Vertical Hue Picture  

ASUS VivoBook 15 OLED K513 (2021) Vertical Hue Picture

Color Shift From Below 
 

22°

Color Shift From Above 
 

20°

Vertical Lightness Picture  

ASUS VivoBook 15 OLED K513 (2021) Vertical Lightness Picture

Brightness Loss From Below 
 

42°

Brightness Loss From Above 
 

39°

Black Level Raise From Below 
 

45°

Black Level Raise From Above 
 

45°

Gamma Shift From Below 
 

42°

Gamma Shift From Above 
 

40°
Show Text 

Out-Of-The-Box Color Accuracy 
 

7.0
7.7

White Balance Screencap  

ASUS VivoBook 15 OLED K513 (2021) White Balance Screencap
ASUS Zenbook 14 OLED (2024) White Balance Screencap

Gamma Curve Screencap  

ASUS VivoBook 15 OLED K513 (2021) Gamma Curve Screencap
ASUS Zenbook 14 OLED (2024) Gamma Curve Screencap

Color Screencap  

ASUS VivoBook 15 OLED K513 (2021) Color Screencap
ASUS Zenbook 14 OLED (2024) Color Screencap

Avg. White Balance dE 
 

2.06
1.49

Avg. Gamma 
 

2.28
2.2

Avg. Color dE 
 

4.8
4.36

Avg. Color Temperature 
 

6,389.9 K
6,364 K
Show Text 

Color Gamut 
 

9.7
9.7

Gamut SDR  

ASUS VivoBook 15 OLED K513 (2021) Gamut SDR
ASUS Zenbook 14 OLED (2024) Gamut SDR

sRGB xy 
 

154.28%
152.47%

sRGB uv 
 

141.99%
145.83%

Adobe RGB xy 
 

97.9%
96.15%

Adobe RGB uv 
 

99.42%
98.67%

Gamut HDR  

ASUS VivoBook 15 OLED K513 (2021) Gamut HDR
ASUS Zenbook 14 OLED (2024) Gamut HDR

DCI P3 xy 
 

99.99%
99.99%

DCI P3 uv 
 

99.99%
99.99%

Rec. 2020 xy 
 

81.58%
80.39%

Rec. 2020 uv 
 

82.38%
83.37%
Show Text 

Flicker 
 

1.8
7.2

Flicker Graph  

ASUS VivoBook 15 OLED K513 (2021) Flicker Graph
ASUS Zenbook 14 OLED (2024) Flicker Graph

Flicker-Free 
 

No
No

Flicker Frequency 
 

60 Hz
480 Hz

Flicker Active Below 
 

100%
100%
Show Text 
Interface

Keyboard 
 

7.3
8.1

Keyboard Photo  

ASUS VivoBook 15 OLED K513 (2021) Keyboard Photo
ASUS Zenbook 14 OLED (2024) Keyboard Photo

Typing Quality 
 

7.0
8.0

Numpad 
 

Yes
No

Backlighting 
 

Adjustable
Adjustable

Key Switch Actuation Graph  

See details on graph tool
See details on graph tool

Operating Force 
 

69 gf
61 gf

Actuation Force 
 

36 gf
34 gf

Pre-Travel 
 

0.90 mm
0.89 mm

Total Travel 
 

1.35 mm
1.45 mm
Show Text 

Touchpad 
 

7.2
8.8

Touchpad Photo  

ASUS VivoBook 15 OLED K513 (2021) Touchpad Photo
ASUS Zenbook 14 OLED (2024) Touchpad Photo

Tracking Quality 
 

7.5
9.0

Size 
 

11.4 in² (73.5 cm²)
15.1 in² (97.5 cm²)

Material 
 

Plastic
Glass

Dedicated Buttons 
 

No
No
Show Text 

Speakers 
 

7.7
5.7

Frequency Response Plot  

See details on graph tool
See details on graph tool

Max Volume 
 

74 dB SPL
77 dB SPL

Standard Error @ Normal Vol. (65 dB) 
 

4.0 dB
8.0 dB

Slope @ Normal Vol. (65 dB) 
 

-0.1
3.6

Bass Extension (Low-Frequency Ext.) 
 

325 Hz
236 Hz

Treble Extension (High-Frequency Ext.) 
 

16 kHz
12 kHz

Dynamic Range Compression @ Max Vol. 
 

0.5 dB
1.8 dB
Show Text 

Webcam & Microphone 
 

6.5
8.7

Webcam Video Sample  

Video Quality 
 

6.5
8.5

Resolution 
 

720p
1080p

Position 
 

Top Center
Top Center

Privacy Cover 
 

No
Yes

Face Unlock 
 

No
Yes
Show Text 
Connectivity

Ports 
 

7.0
8.0

Ports Photo  

ASUS VivoBook 15 OLED K513 (2021) Ports Photo
ASUS Zenbook 14 OLED (2024) Ports Photo

USB-A Ports 
 

3
1

USB-C Ports 
 

1
2

Thunderbolt 
 

No
Thunderbolt 4

USB-C Charging 
 

No
Yes

USB-C Display Out 
 

No
Yes

HDMI 
 

1.4
2.0

DisplayPort 
 

No
No

3.5mm Jack 
 

Combo mic/headphone
Combo mic/headphone

Card Reader 
 

MicroSD UHS 2
No

Ethernet 
 

No
No

Proprietary Port 
 

No
No

Security Lock 
 

No
No
Show Text 

Wireless Communication 
 

Wi-Fi 
 

Wi-Fi 6 (802.11ax)
Wi-Fi 6E (802.11ax)

Bluetooth 
 

5.2
5.3
Show Text 
Configuration

CPU 
 

Brand 
 

Intel
Intel

Model 
 

Core i7-1165G7
Core Ultra 5 125H

Core Count 
 

4
14

Thread Count 
 

8
18
Show Text 

GPU 
 

Brand 
 

NVIDIA
Intel

Model 
 

GeForce MX350
Arc Graphics

Dedicated/Integrated 
 

Dedicated
Integrated

VRAM Size 
 

2 GB
N/A

GPU Total Graphics Power (TGP) 
 

N/A
Show Text 

RAM 
 

Capacity 
 

16 GB
16 GB

Modules 
 

2
8 (Soldered)

Type 
 

DDR4
LP-DDR5x

Speed 
 

3,200 MHz
7,467 MHz
Show Text 

Storage 
 

Advertised Capacity 
 

512 GB
512 GB

Usable Capacity 
 

449 GB
445 GB

Drive 1 
 

Intel SSD 660p SSDPELMW512G8
Micron MTFDKBA512QFM-1BD1AABGB

Drive 1 Type  

SSD
SSD

Drive 2 
 

No 2nd Drive
No 2nd Drive

Drive 2 Type  

No 2nd Drive
No 2nd Drive
Show Text 
Performance

Geekbench 5 (Synthetics) 
 

8.1
9.1

Geekbench Image  

ASUS VivoBook 15 OLED K513 (2021) Geekbench Image
ASUS Zenbook 14 OLED (2024) Geekbench Image

CPU Single-Thread 
 

1,570 points
1,649 points

CPU Multi-Thread 
 

4,969 points
9,246 points

GPU Compute 
 

15,181 points
27,728 points
Show Text 

Cinebench R23 (CPU Rendering) 
 

8.8
9.5

Cinebench R23 Photo  

ASUS VivoBook 15 OLED K513 (2021) Cinebench R23 Photo
ASUS Zenbook 14 OLED (2024) Cinebench R23 Photo

Single-Thread 
 

1,523 points
1,646 points

Multi-Thread 
 

5,674 points
8,485 points
Show Text 

Blender (3D Rendering) 
 

6.2
7.7

Blender Image  

ASUS VivoBook 15 OLED K513 (2021) Blender Image
ASUS Zenbook 14 OLED (2024) Blender Image

CPU Render Time 
 

6.8 min
4.5 min

GPU Render Time 
 

7.5 min
N/A

GPU Render Time (Optix) 
 

N/A
N/A
Show Text 

Basemark GPU (Game Scene) 
 

5.1
6.0

Basemark Image  

ASUS VivoBook 15 OLED K513 (2021) Basemark Image
ASUS Zenbook 14 OLED (2024) Basemark Image

Overall Score 
 

16,181
25,188
Show Text 

Storage Drive Performance 
 

9.0
9.1

Storage Performance Image  

ASUS VivoBook 15 OLED K513 (2021) Storage Performance Image
ASUS Zenbook 14 OLED (2024) Storage Performance Image

Sequential Write Speed 
 

740.1 MB/s
1,037.3 MB/s

Sequential Read Speed 
 

1,370.8 MB/s
3,053.0 MB/s

Random Write Speed 
 

110.5 MB/s
65.9 MB/s

Random Read Speed 
 

55.3 MB/s
44.7 MB/s
Show Text 

Battery 
 

5.5
7.2

Capacity 
 

41 Wh
75 Wh

Battery Life (Web Browsing) 
 

6.6 hrs
8.1 hrs

Battery Life (Video Playback) 
 

4.7 hrs
8.3 hrs

Battery Life (Gaming) 
 

1.1 hrs
2.4 hrs

Charge Time 
 

2.1 hrs
2.0 hrs
Show Text 

Borderlands 3 
 

1.5
3.4

Borderlands 3 Graph  

See details on graph tool
See details on graph tool

Avg. FPS 
 

9 fps
22 fps

1% Low 
 

6 fps
5 fps

0.1% Low 
 

4 fps
2 fps

1% Low Delta 
 

54 ms
173 ms

0.1% Low Delta 
 

121 ms
399 ms

Avg. FPS On Very Low 
 

40 fps
44 fps
Show Text 

Civilization VI 
 

4.2
5.0

Civilization VI Graph  

See details on graph tool
See details on graph tool

Avg. FPS 
 

21 fps
36 fps

1% Low 
 

14 fps
14 fps

0.1% Low 
 

13 fps
10 fps

1% Low Delta 
 

24 ms
41 ms

0.1% Low Delta 
 

26 ms
73 ms

Avg. FPS On Minimum 
 

83 fps
101 fps

Avg. Turn Time 
 

8.38 s
7.83 s
Show Text 

Counter-Strike: Global Offensive 
 

7.7

CS:GO graph  

See details on graph tool

Avg. FPS 
 

87 fps

1% Low 
 

52 fps

0.1% Low 
 

40 fps

1% Low Delta 
 

8 ms

0.1% Low Delta 
 

13 ms

Avg. FPS On Low 
 

121 fps
Show Text 

Counter-Strike 2 
 

4.7

CS2 Graph  

See details on graph tool

Avg. FPS 
 

41fps

1% Low 
 

9fps

0.1% Low 
 

3fps

1% Low Delta 
 

86 ms

0.1% Low Delta 
 

276 ms

Avg. FPS On Low 
 

53fps
Show Text 

Shadow Of The Tomb Raider 
 

2.7
4.5

SOTTR Graph  

See details on graph tool
See details on graph tool

Avg. FPS 
 

16 fps
36 fps

1% Low 
 

12 fps
13 fps

0.1% Low 
 

10 fps
6 fps

1% Low Delta 
 

24 ms
48 ms

0.1% Low Delta 
 

39 ms
141 ms

Avg. FPS On Lowest 
 

30 fps
47 fps
Show Text 

Thermals And Noise 
 

7.3
7.5

Keyboard Temps Picture  

ASUS VivoBook 15 OLED K513 (2021) Keyboard Temps Picture
ASUS Zenbook 14 OLED (2024) Keyboard Temps Picture

Keyboard Temp While Idle 
 

24 °C (76 °F)
35 °C (95 °F)

Keyboard Temp Under Load 
 

48 °C (118 °F)
47 °C (116 °F)

Fan Noise While Idle 
 

25.0 dBA
25.0 dBA

Fan Noise Under Load 
 

44.5 dBA
40.0 dBA

Power & Fan Control App 
 

Yes
Yes
Show Text 

Performance Over Time 
 

9.0
4.7

Performance Over Time Graph  

See details on graph tool
See details on graph tool

CPU Temp (Cinebench) 
 

82 °C
70 °C

CPU Perf. Loss (Cinebench) 
 

6% loss
32% loss

GPU Temp (Heaven) 
 

68 °C
74 °C

GPU Perf. Loss (Heaven) 
 

0% loss
8% loss
Show Text 
Additional Features And Software

Software 
 

Operating System 
 

Windows 10
Windows 11

Additional Software 
 

Yes
Yes
Show Text 

Extra Features 
 

Biometrics 
 

Fingerprint Sensor
Face Recognition

RGB Illumination 
 

No
No

Touch Pen Support 
 

MPP 2.0

Secondary Display 
 

No
No

Touch Pen 
 

No
Show Text 

ASUS VivoBook 15 OLED K513 (2021)

ASUS Zenbook 14 OLED (2024)

Comments

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