In depth comparison and review of Lenovo ThinkBook 16p G4 IRH (21J8) 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.
Advantages and disadvantages of Lenovo ThinkBook 16p G4 IRH (21J8) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
high-resolution display
solid build quality
good thermal management
decent battery life
heavier than competitors
limited port selection
higher price point
noisy under load
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
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.46 cm x 25.5 cm x 1.99 cm | 35.6 cm x 24.917 cm x 2.083 cm |
| Weight | 2.2 kg | 2.1 kg |
| Case Material | Aluminium (top), aluminium (bottom) | Anodised aluminium |
| Colour | Dual tone storm grey | Steel grey |
| DISPLAY | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Screen Size (Type) | 16" - IPS | 16" OLED |
|---|---|---|
| Screen Resolution | 2560 x 1600 (WQXGA) | 3200 x 2000 (WQXGA+) |
| V-Sync Rate at Max Res. | 60 Hz | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 400 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB | 100% DCI-P3 |
| Features | Anti-glare, Delta E<2 calibration, Eyesafe technology, X-Rite Pantone factory color calibration, Dolby Vision, Smart sense panel, ±89° viewing angle | Glare, CineCrystal, Eyesafe technology, 1 ms response rate, HDR 500 True Black, VESA DisplayHDR 500 |
| PROCESSOR | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| CPU | Intel Core i7 (13th Gen) 13700H / 2.4 GHz | AMD Ryzen 7 7840HS / 3.8 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 5.1 GHz |
| Number of Cores | 14-core | 8-core |
| Cache | 24 MB | L3 - 16 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 5200 MHz | - |
| Rated Speed | 5200 MHz | - |
| Form Factor | SO-DIMM 262-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 - Micron |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics | NVIDIA GeForce RTX 4050 |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | 8 GB GDDR6 SDRAM | 6 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0, Direct X 12 Ultimate, NVIDIA DLSS 3 | - |
| Camera | Yes - 1080p | Yes - Full HD |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera | Temporal Noise Reduction, Acer PurifiedView |
| Video Resolutions | - | 1080p |
| Sound | Two tweeters, two woofers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3306-CG | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | - |
| Audio Features | Output: harman/kardon stereo speakers, Smart Amplifier (AMP); Input: noise-cancellation technology | Input: AI noise reduction |
| VR Ready | Yes | - |
| COMMUNICATIONS | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 76 Wh |
| Battery Life | Up to 18 hours | - |
| Battery Run Time | Local video (1080p) playback time (150 nits): up to 18 hours | - |
| AC ADAPTER | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 230 Watt | 135 Watt, 19.5 V, 6.92 A |
| INPUT | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight, SMB Service hot key | Multi-gesture touch pad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Slots | 1 x M.2 (PCI Express 4.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | 2 x USB 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (8K support) 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 | Yes (SD Express Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (Trial) | NVIDIA Studio drivers |
| MISCELLANEOUS | Lenovo ThinkBook 16p G4 IRH (21J8) | Acer Swift X 16 (SFX16) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | Ambient light sensor | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS, LA2-Q AI performance chip | Administrator password, system password, Acer Purified.Voice technology, Acer TwinAir cooling technology |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Hardware Solution), TCO Certified 9.0, Low-VOC | - |
| SAR Value | - | 2 W/kg (limb), 2 W/kg (body), 2 W/kg (head) |
| Carbon Footprint | 402 kg carbon emissions (EU) | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 61G |
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