Lenovo IdeaPad S145-15API (81UT) vs. Acer Swift X 16 (SFX16)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S145-15API (81UT) and Acer Swift X 16 (SFX16). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo IdeaPad S145-15API (81UT) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15API (81UT) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

sufficient connectivity options

simple user interface

average display quality

limited battery life

modest graphics capability

no backlight keyboard

Acer Swift X 16 (SFX16) Review

Advantages and disadvantages of Acer Swift X 16 (SFX16) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful amd processor

crisp 16-inch display

lightweight design

efficient thermal management

solid build quality

average battery life

no sd card slot

limited port selection

higher price range

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-15API (81UT) and Acer Swift X 16 (SFX16)
69 % - Design
63 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery
86 % - Design
85 % - Display
85 % - Performance
84 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-15API (81UT) vs. Acer Swift X 16 (SFX16) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.22 cm x 25.15 cm x 1.99 cm 35.6 cm x 24.917 cm x 2.083 cm
Weight 1.85 kg 2.1 kg
Case Material Polycarbonate ABS Anodised aluminium
Colour Granite black IMR Steel grey
DISPLAY Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Screen Size (Type) 15.6" - TN 16" OLED
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 3200 x 2000 (WQXGA+)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 400 cd/m²
Colour Gamut - 100% DCI-P3
Features Anti-glare Glare, CineCrystal, Eyesafe technology, 1 ms response rate, HDR 500 True Black, VESA DisplayHDR 500
PROCESSOR Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
CPU AMD Ryzen 3 3200U / 2.6 GHz AMD Ryzen 7 7840HS / 3.8 GHz
Max Turbo Speed 3.5 GHz 5.1 GHz
Number of Cores Dual-Core 8-core
Cache L3 - 4 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
RAM 4 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 12 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz -
Rated Speed 2400 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 1.024 TB SSD M.2 2280 - Micron
AUDIO & VIDEO Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Graphics Processor (GPU) AMD Radeon Vega 3 NVIDIA GeForce RTX 4050
Video Memory - 6 GB GDDR6 SDRAM
Camera Yes Yes - Full HD
Resolution 0.3 Megapixel -
Camera Features - Temporal Noise Reduction, Acer PurifiedView
Video Resolutions - 1080p
Sound Stereo speakers, microphone Stereo speakers, two microphones
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Input: AI noise reduction
COMMUNICATIONS Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card -
Features Single stream (1x1) Dual stream (2x2)
BATTERY Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Technology Lithium Ion -
Battery Capacity (Size) 30 Wh 76 Wh
Battery Life Up to 4 hours -
AC ADAPTER Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Input AC 120/230 V (50/60 Hz) -
Output 65 Watt 135 Watt, 19.5 V, 6.92 A
INPUT Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Multi-gesture touch pad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
HDMI
2 x USB4/DisplayPort (DC-In combo, Power Delivery)
USB 3.2 Gen 1
USB 3.2 Gen 1 (with power off charging)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Home
Software Included Microsoft Office (30 days trial) NVIDIA Studio drivers
MISCELLANEOUS Lenovo IdeaPad S145-15API (81UT) Acer Swift X 16 (SFX16)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Fingerprint reader
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password Administrator password, system password, Acer Purified.Voice technology, Acer TwinAir cooling technology
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
SAR Value - 2 W/kg (limb), 2 W/kg (body), 2 W/kg (head)
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Model Number - 61G
Other Comparisons with Lenovo IdeaPad S145-15API (81UT)
Other Comparisons with Acer Swift X 16 (SFX16)
Other Popular Laptop Comparisons
Other projects: