Side by side comparison and review of Acer Extensa 15 (EX215-51) and ASUS R521JA (EJ974T). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
Advantages and disadvantages of ASUS R521JA (EJ974T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
lightweight design
decent battery life
adequate performance
average display quality
limited storage capacity
no backlit keyboard
basic graphics card
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 36 cm x 23.5 cm x 2.29 cm |
| Weight | 1.9 kg | 1.9 kg |
| Colour | Shale black | Transparent silver |
| DISPLAY | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 200 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.6 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| RAM | 4 GB (4 GB (soldered)) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - VGA |
| Sound | Stereo speakers, two microphones | Speaker, microphone |
| Audio Features | - | Output: ASUS SonicMaster |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | Single stream (1x1) |
| BATTERY | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 32 Wh |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 45 Watt, 19 V, 2.37 A |
| INPUT | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home |
|---|
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | ASUS R521JA (EJ974T) |
|---|
| Included Accessories | Power adapter, HDD kit | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | MU-MIMO technology | - |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
- |
| Model Number | 39SK | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
