Detailed comparison and review of Acer Extensa 15 (EX215-51) and Dell Latitude 7640. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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 Dell Latitude 7640 based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
high-resolution display
powerful processor performance
lightweight design
excellent connectivity options
higher price point
average battery life
limited color options
noisy under load
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 35.8 cm x 25.042 cm x 1.95 cm |
| Weight | 1.9 kg | 1.837 kg |
| Case Material | - | Aluminum |
| Colour | Shale black | - |
| DISPLAY | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Screen Size (Type) | 15.6" | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (Full HD Plus) |
| Pixel Density (ppi) | - | 141.5 |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (13th Gen) 1345U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.7 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 4 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel vPro Enterprise |
| Features | Intel Turbo Boost Technology 2.0 | Intel Smart Cache |
| MEMORY | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| RAM | 4 GB (4 GB (soldered)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - 1920 x 1080 (standard), 640 x 360 (infrared) |
| Camera Features | - | Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) |
| Image Sensor Type | - | CMOS |
| Video Resolutions | - | 1920 x 1080, 640 x 360 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, two microphones | Four stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3281 |
| Compliant Standards | - | High Definition Audio |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | Dual stream (2x2), WWAN aerial |
| BATTERY | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 57 Wh |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Mini LED backlit, 80-key |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 Headphone/microphone combo jack |
|---|
| SOFTWARE | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 11 Pro - Dutch / English / French / German / Italian |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Dell Latitude 7640 |
|---|
| Included Accessories | Power adapter, HDD kit | USB-C power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer, hall sensor |
| Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader, contactless smart card reader |
| Security Slot Type | Kensington security slot | Noble Wedge security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | MU-MIMO technology | ExpressCharge, ExpressChargeBoost |
| Compliant Standards | - | FIPS 140-2, TCG Certified, TCO Certified 9.0 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 0 °C |
| Humidity Range Operating | - | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
- |
| Model Number | 39SK | - |
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