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Microsoft Surface Laptop 13" 2nd Edition

Ranked #5 of 70 in Most energy-efficient laptops, ranked on official ENERGY STAR power figures. Here is every spec we scored, where it came from, and how it compares.

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M

#5

Microsoft Surface Laptop 13" 2nd Edition

Best for: Official TEC 7.3 kWh, official sleep 0.4 W

9.7/10

What we like

Official ENERGY STAR record lists a TEC of 7.3 kWh.
Official ENERGY STAR record lists sleep-mode power of 0.4 W.

Watch out for

Official TEC is a certified laboratory annual-energy figure for this configuration, not a utility bill we measured.

Score breakdown

Official TEC 45%

Official sleep power 30%

Official short-idle power 25%

Official TEC	7.3 kWh
Official sleep power	0.4 W
Official short-idle power	2.8 W
Official ENERGY STAR unique ID	4,708,154
Official model name	Surface Laptop 13" 2nd Edition
Official model number	2145
Official product type	Notebook
Official TEC	7.3 kWh
Official sleep mode power	0.4 W
Official short-idle power	2.8 W
Official long-idle power	0.4 W
Official off-mode power	0.1 W
Official system memory	24 GB
Official CPU cores	6
Official processor brand	Qualcomm
Official processor name	Snapdragon X2 Plus
Official CPU base clock	4 GHz
Official storage technology	SSD
Official ENERGY STAR date certified	2026-07-30T00:00:00.000
Official battery capacity	48.3 Wh
Official integrated display size	13 in
Official integrated display resolution	2.46 MP
Official touch screen	Yes
Official 'marketed as a workstation'	No
Official external power supply rating	45 W
Price	Check price

Check price at Amazon

Specs sources:

How it compares

Open the full comparison table

Apple MacBook Neo

#1 · Official TEC 5.6 kWh, official sleep 0.1 W

Microsoft Surface Laptop 13"

#2 · Official TEC 6.3 kWh, official sleep 0.3 W

Apple MacBook Air 13-inch (M2)

#3 · Official TEC 7.6 kWh, official sleep 0.3 W

Apple MacBook Air 13-inch (M3)

#4 · Official TEC 7.6 kWh, official sleep 0.3 W

Apple MacBook Air 13-inch (M4)

#6 · Official TEC 8.1 kWh, official sleep 0.3 W

ASUS S5452M

#7 · Official TEC 7.1 kWh, official sleep 0.5 W

HP Chromebook Plus 14 inch

#8 · Official TEC 8.1 kWh, official sleep 0.3 W

Lenovo IdeaPad Slim 3 15Q7X11

#9 · Official TEC 7.8 kWh, official sleep 0.4 W

ASUS E1404GA

#10 · Official TEC 8.3 kWh, official sleep 0.3 W

Dell Latitude 3140

#11 · Official TEC 8.2 kWh, official sleep 0.4 W

Lenovo IdeaPad 1 15AMN7

#12 · Official TEC 8.2 kWh, official sleep 0.3 W

#13 · Official TEC 8.3 kWh, official sleep 0.4 W

Microsoft Surface Laptop 8th Edition

#14 · Official TEC 7.7 kWh, official sleep 0.5 W

Apple MacBook Air 13 in. with M5

#15 · Official TEC 8.3 kWh, official sleep 0.2 W

Apple MacBook Pro 14-inch (M5)

#16 · Official TEC 8.5 kWh, official sleep 0.3 W

ASUS E1504T

#17 · Official TEC 8.5 kWh, official sleep 0.3 W

dynabook PORTEGE E30L-Q

#18 · Official TEC 8 kWh, official sleep 0.5 W

Lenovo IdeaPad Slim 3 15IAN8

#19 · Official TEC 8.5 kWh, official sleep 0.3 W

Microsoft Surface Laptop 7th Edition

#20 · Official TEC 7.9 kWh, official sleep 0.5 W

ASUS B3606CMA

#21 · Official TEC 8.3 kWh, official sleep 0.5 W

ASUS E510KA

#22 · Official TEC 9.3 kWh, official sleep 0.3 W

HP Chromebook x360 14 inch

#23 · Official TEC 8.7 kWh, official sleep 0.4 W

Lenovo IdeaPad Slim 3 14Q7X11

#24 · Official TEC 8.2 kWh, official sleep 0.5 W

Lenovo V15 G7 Q7X

#25 · Official TEC 8.2 kWh, official sleep 0.5 W

#26 · Official TEC 8.7 kWh, official sleep 0.4 W

Microsoft Surface Laptop 13" 1st Edition

#27 · Official TEC 8.5 kWh, official sleep 0.5 W

Apple MacBook Air 15-inch (M3)

#28 · Official TEC 8.9 kWh, official sleep 0.3 W

Apple MacBook Air 15-inch (M4)

#29 · Official TEC 9 kWh, official sleep 0.3 W

Apple MacBook Pro 14-inch (M4)

#30 · Official TEC 9 kWh, official sleep 0.3 W

ASUS E1404T

#31 · Official TEC 8.8 kWh, official sleep 0.4 W

Lenovo IdeaPad Slim 5 13ARP10

#32 · Official TEC 8.9 kWh, official sleep 0.4 W

Lenovo IdeaPad Slim 5 Ultra 14IWC11

#33 · Official TEC 8 kWh, official sleep 0.6 W

Acer A315-24P

#34 · Official TEC 9 kWh, official sleep 0.3 W

Apple MacBook Air 15 in. with M5

#35 · Official TEC 9.1 kWh, official sleep 0.2 W

Dell Latitude 3140 2-in-1

#36 · Official TEC 9 kWh, official sleep 0.4 W

Lenovo IdeaPad Slim 5 13IWC11

#37 · Official TEC 8.6 kWh, official sleep 0.6 W

Microsoft Surface Laptop 6

#38 · Official TEC 8.9 kWh, official sleep 0.5 W

Apple MacBook Pro 14 in. with M5 Max Chip

#39 · Official TEC 9.2 kWh, official sleep 0.3 W

Apple MacBook Pro 14 in. with M5 Pro Chip

#40 · Official TEC 9.5 kWh, official sleep 0.3 W

Apple MacBook Pro 14-inch (M4 Pro)

#41 · Official TEC 9.4 kWh, official sleep 0.3 W

dynabook PORTEGE X30W-P

#42 · Official TEC 9 kWh, official sleep 0.6 W

HP OmniBook 5 14 inch Laptop AI PC

#43 · Official TEC 9.2 kWh, official sleep 0.5 W

HP ProBook 4 G2iS 14

#44 · Official TEC 9.2 kWh, official sleep 0.4 W

Lenovo IdeaPad Slim 3 14IPH11

#45 · Official TEC 9.3 kWh, official sleep 0.5 W

Lenovo IdeaPad Slim 3 14IWC11

#46 · Official TEC 9.1 kWh, official sleep 0.5 W

Lenovo IdeaPad Slim 3 15ITN9

#47 · Official TEC 6.3 kWh, official sleep 0.4 W

Lenovo IP Slim 3 Chrome 14M868

#48 · Official TEC 9.4 kWh, official sleep 0.5 W

Lenovo ThinkBook 14 G9 Q8Y

#49 · Official TEC 9 kWh, official sleep 0.5 W

Lenovo ThinkPad E14 Gen 8

#50 · Official TEC 8.9 kWh, official sleep 0.6 W

Lenovo IdeaPad Vibe 14AKP12

#51 · Official TEC 9.4 kWh, official sleep 0.4 W

Lenovo ThinkPad X12 Detachable Gen 2

#52 · Official TEC 9.1 kWh, official sleep 0.5 W

Lenovo V14 G6 AMN

#53 · Official TEC 9.3 kWh, official sleep 0.6 W

#54 · Official TEC 9.4 kWh, official sleep 0.6 W

ASUS M1405N

#55 · Official TEC 9.4 kWh, official sleep 0.5 W

HP OmniBook X Flip 16 inch 2-in-1 Laptop Next Gen AI PC

#56 · Official TEC 9.4 kWh, official sleep 0.5 W

Lenovo ThinkBook 16 G9 IPL

#57 · Official TEC 9 kWh, official sleep 0.7 W

ASUS X1404M

#58 · Official TEC 9.4 kWh, official sleep 0.6 W

dynabook PORTEGE E40L-Q

#59 · Official TEC 9.9 kWh, official sleep 0.5 W

Acer AL15-58P

#60 · Official TEC 10 kWh, official sleep 0.6 W

Dell Pro 5 14 P514260

#61 · Official TEC 9.2 kWh, official sleep 0.8 W

dynabook PORTEGE X30L-P

#62 · Official TEC 9.9 kWh, official sleep 0.6 W

Acer A317-55P

#63 · Official TEC 10.7 kWh, official sleep 0.4 W

Acer One Z11-21

#64 · Official TEC 10.7 kWh, official sleep 0.5 W

Dell Pro Essential 15 PV15261

#65 · Official TEC 10.7 kWh, official sleep 0.7 W

#66 · Official TEC 11.6 kWh, official sleep 0.7 W

MSI Modern 14 F1MG

#67 · Official TEC 14.2 kWh, official sleep 0.9 W

MSI Modern 13 F1MG

#68 · Official TEC 14.7 kWh, official sleep 0.9 W

MSI Modern 15 F1MG

#69 · Official TEC 15.7 kWh, official sleep 0.9 W

MSI Modern A14 AI F2HMG

#70 · Official TEC 17.5 kWh, official sleep 1.3 W