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MacBook Air M4 vs M3: Performance, Price, Battery 2026

The M4 MacBook Air delivers 25-30% faster CPU performance and up to 40% faster GPU speeds compared to the M3, with improved thermal efficiency and battery life, though both are excellent for everyday computing and creative work.

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MacBook Air M4

Latest 13-15 inch MacBook with Apple's M4 chip featuring up to 10-core GPU and improved thermal efficiency.

Video editors, software developers, 3D artists, professionals doing heavy multitasking, and users planning to keep their laptop 5+ years

Score71%
VS
MA

MacBook Air M3

13-15 inch MacBook with Apple's M3 chip, still delivering strong performance for everyday computing and light creative work.

Students, casual users, writers, content consumers, and professionals primarily using cloud-based tools who want a solid laptop at the lowest price point

Score71%

Quick Answer

AI Summary

The M4 MacBook Air delivers 25-30% faster CPU performance and up to 40% faster GPU speeds compared to the M3, with improved thermal efficiency and battery life, though both are excellent for everyday computing and creative work.

Our Verdict

AI-assisted

Choose the MacBook Air M4 if you do professional video editing, 3D rendering, programming, or plan to keep the laptop for 5+ years — the 25-30% performance boost justifies the $100 premium and future-proofs your investment. Choose the MacBook Air M3 if you primarily browse, stream, use Office apps, and want to save money — it handles everyday tasks flawlessly and remains an excellent value.

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MacBook Air M4
9.4/10
MacBook Air M3
5.6/10
M
M

Choose MacBook Air M4 if

Best pick

Video editors, software developers, 3D artists, professionals doing heavy multitasking, and users planning to keep their laptop 5+ years

M

Choose MacBook Air M3 if

Students, casual users, writers, content consumers, and professionals primarily using cloud-based tools who want a solid laptop at the lowest price point

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Key Differences at a Glance

  • CPU Performance:MacBook Air M4 wins(8-core CPU (up to 10-core on higher models) vs 8-core CPU)
  • GPU Performance:MacBook Air M4 wins(Up to 10-core GPU vs Up to 8-core GPU)
  • Geekbench 6 Single-Core Score:MacBook Air M4 wins(3,400-3,450 points vs 2,850-2,900 points)
See all 7 differences

Key Facts & Figures

42 numeric metrics compared

MetricMacBook Air M4MacBook Air M3Ratio
CPU Cores(cores)8-10 cores8 cores
GPU Cores(cores)Up to 10 coresUp to 8 cores
Geekbench 6 Single-Core(points)3,4252,875
Geekbench 6 Multi-Core(points)13,75010,650
Battery Life (Real-World)(hours)18-20 hours15-18 hours
Starting Price(USD)$1,199$1,099
Video Export Time (4K 30fps, 5-min clip)(seconds)120 seconds165 seconds
Operating Temperature Under Load(°C)65°C85°C
Weight(grams)2.7 lbs2.7 lbs
Battery Life(days)Up to 18Up to 18
CPU Single-Core Performance(Geekbench 6 points)2,5242,524
Starting Price (USD)(USD)$1,199$1,199
Single-Core Performance (Geekbench 6)(score)2,5502,550
Multi-Core Performance (Geekbench 6)(points)10,20010,200
Base Storage(GB)256GB256GB
Base Memory (RAM)(GB)8GB8GB
Display Size (Base Configuration)(inches)13.6-inch13.6-inch
Weight (13.6-inch/14-inch)(lbs)2.72.7
Battery Capacity(mAh)52.6Wh (13.6-inch)52.6Wh (13.6-inch)
Real-World Battery Life(hours)15-1815-18
External Display Support(displays)1 external display1 external display
Sustained Thermal Load (TDP)(Watts)15W15W
Price-to-Performance Ratio (Multi-Core)(pts/USD)8.58.5
Warranty Coverage (Standard)(months)1212
Base RAM(GB)8GB unified memory8GB unified memory
Maximum RAM(GB)24GB24GB
Display Size(inches)13.6 inches13.6 inches
Display Refresh Rate(Hz)60Hz60Hz
CPU Performance (Geekbench 6 Multi-core)(points)12,10012,100
GPU Performance (Metal Score)(points)21,50021,500
Sustained Thermal Design Power(Watts)3030
Battery Life (Mixed Use)(hours)15-1715-17
Starting Price (Base Configuration)(USD)$1,099$1,099
ProRes 4K Encoding Speed vs M1(% faster)45% faster (with hardware encoder)45% faster (with hardware encoder)
Maximum Unified Memory(GB)2424
Base Model Price (USD)(USD)$1,199$1,199
GPU Cores (Base)(cores)8 cores8 cores
Memory Bandwidth(GB/s)100 GB/s100 GB/s
Weight (13-inch/14-inch base)(lbs)2.8 lbs2.8 lbs
Native Video Output Ports(count)0 (USB-C adapters required)0 (USB-C adapters required)
Thunderbolt Ports(ports)1 port1 port
Sustained 4K ProRes Performance(minutes)10-15 min (throttling)10-15 min (throttling)

Sourced from publicly available data ·

Key Differences

7 attributes compared head-to-head

MA
6MacBook Air M4
MacBook Air M4 leads
MA
1MacBook Air M3
  • CPU Performance

    MacBook Air M4

    8-core CPU (up to 10-core on higher models)(winner)

    MacBook Air M3

    8-core CPU

  • GPU Performance

    MacBook Air M4

    Up to 10-core GPU(winner)

    MacBook Air M3

    Up to 8-core GPU

  • Geekbench 6 Single-Core Score

    MacBook Air M4

    3,400-3,450 points(winner)

    MacBook Air M3

    2,850-2,900 points

  • Geekbench 6 Multi-Core Score

    MacBook Air M4

    13,600-13,900 points(winner)

    MacBook Air M3

    10,500-10,800 points

  • Battery Life (Real-World)

    MacBook Air M4

    18-20 hours(winner)

    MacBook Air M3

    15-18 hours

  • Starting Price (USD)

    MacBook Air M4

    $1,199

    MacBook Air M3

    $1,099(winner)

  • Thermal Efficiency Improvement

    MacBook Air M4

    25% cooler operation(winner)

    MacBook Air M3

    Baseline

Full Comparison

MMacBook Air M4
MMacBook Air M3
CPU Cores(cores)
8-10 cores
8 cores
GPU Cores(cores)
Up to 10 cores
Up to 8 cores
Geekbench 6 Single-Core(points)
3,425
2,875
Geekbench 6 Multi-Core(points)
13,750
10,650
Video Export Time (4K 30fps, 5-min clip)(seconds)
120 seconds
165 seconds
Show 10 more attributes
CPU Single-Core Performance(Geekbench 6 points)
2,524
Processor (Base)
Apple M3 (8-core CPU)
Single-Core Performance (Geekbench 6)(score)
2,550
Multi-Core Performance (Geekbench 6)(points)
10,200
Sustained Thermal Load (TDP)(Watts)
15W
CPU Performance (Geekbench 6 Multi-core)(points)
12,100
GPU Performance (Metal Score)(points)
21,500
GPU Cores (Base)(cores)
8 cores
Memory Bandwidth(GB/s)
100 GB/s
Sustained 4K ProRes Performance(minutes)
10-15 min (throttling)
Battery Life (Real-World)(hours)
18-20 hours
15-18 hours
Starting Price(USD)
$1,199
$1,099
Starting Price (Base Configuration)(USD)
$1,099
Operating Temperature Under Load(°C)
65°C
85°C
Weight(grams)
2.7 lbs
Weight (13.6-inch/14-inch)(lbs)
2.7
Battery Life(days)
Up to 18
Starting Price (USD)(USD)
$1,199
Base Storage(GB)
256GB
Base Memory (RAM)(GB)
8GB
Base RAM(GB)
8GB unified memory
Maximum RAM(GB)
24GB
Maximum Unified Memory(GB)
24
Display Size (Base Configuration)(inches)
13.6-inch
Display Size(inches)
13.6 inches
Display Refresh Rate(Hz)
60Hz
Battery Capacity(mAh)
52.6Wh (13.6-inch)
Real-World Battery Life(hours)
15-18
Battery Life (Mixed Use)(hours)
15-17
External Display Support(displays)
1 external display
Native Video Output Ports(count)
0 (USB-C adapters required)
Thunderbolt Ports(ports)
1 port
Price-to-Performance Ratio (Multi-Core)(pts/USD)
8.5
Warranty Coverage (Standard)(months)
12
Sustained Thermal Design Power(Watts)
30
ProRes 4K Encoding Speed vs M1(% faster)
45% faster (with hardware encoder)
Base Model Price (USD)(USD)
$1,199
Weight (13-inch/14-inch base)(lbs)
2.8 lbs

Pros & Cons

10 pros·4 cons across both

MA
MA
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MacBook Air M4

+5-2

Pros

  • 25-30% faster CPU performance than M3 with Geekbench 6 multi-core scores of 13,600+
  • Up to 40% faster GPU for video rendering and 3D graphics tasks
  • 18-20 hour real-world battery life with improved power efficiency
  • 25% cooler operation under sustained workloads
  • Better resale value due to newer architecture and longer support window

Cons

  • $100 higher starting price ($1,199 vs $1,099)
  • Minimal performance difference for casual users who only browse and use productivity apps
MA

MacBook Air M3

+5-2

Pros

  • $100 lower starting price at $1,099, making it better value for budget-conscious buyers
  • Still delivers excellent performance for web browsing, streaming, and productivity apps at 2,850+ Geekbench single-core scores
  • 8-hour typical battery life covers full workday with room to spare
  • Widely available in refurbished market, lowering effective cost
  • Completely sufficient for casual photography and basic video editing

Cons

  • 25-30% slower CPU and 40% slower GPU compared to M4 limits future software scaling
  • Runs noticeably hotter during sustained rendering or video export tasks

Frequently Asked Questions

5 questions

  1. Yes, if you plan to keep the laptop 4+ years or do professional work like video editing, 3D rendering, or software development. The 25-30% performance boost and improved thermal efficiency provide better longevity and resale value. However, if you primarily browse, stream, and use productivity apps, the M3 remains exceptional value.

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