Product Comparison
Technical Specifications
Feature
Brand: Acer|SKU: NX.EJ8EK.002
Acer Extensa 15 EX215-57
£429.55
Stock: 606
Brand: Acer|SKU: NX.JB0EK.002
Acer R857TN-TCO Int-N1500 8GB 64GB COS
£365.81
Stock: 158
Brand: Acer|SKU: NX.EJ8EK.003
Acer Extensa 15 EX215-57
£472.19
Stock: 410
General
Operating System
Google Chrome OS
Windows 11 Pro
—
Windows 11 Pro
Windows 11 Pro Education
Product Type
Chromebook - Yes - flip design
Notebook
—
Notebook
Notebook
Memory
Empty Slots
—
1
—
0
0
Form Factor
—
SO-DIMM 262-pin
—
SO-DIMM 262-pin
SO-DIMM 262-pin
Max RAM Supported
—
32 GB
—
32 GB
64 GB
RAM
8 GB (provided memory is soldered)
8 GB (1 x 8 GB)
—
16 GB (2 x 8 GB)
16 GB (2 x 8 GB)
Rated Speed
—
—
—
—
5600 MT/s
Slots Qty
—
2
—
2
2
Speed
—
—
—
—
5600 MT/s
Technology
LPDDR5X SDRAM
DDR5 SDRAM
—
DDR5 SDRAM
DDR5 SDRAM
Display
Colour Gamut
45% NTSC
—
—
—
45% NTSC
Features
HDCP, glare, Corning Gorilla glass 3, 25 ms response rate, antimicrobial coating
Acer BluelightShield technology
—
Acer BluelightShield technology
Matte, ComfyView, Acer BluelightShield technology
Image Aspect Ratio
16:9
—
—
—
16:9
Image Brightness
250 cd/m²
—
—
—
300 cd/m²
Resolution
1920 x 1200 (WUXGA)
1920 x 1080 (Full HD)
—
1920 x 1080 (Full HD)
1920 x 1080 (Full HD)
Touchscreen
Yes (multi-touch)
—
—
—
—
Type
14" - IPS
15.6"
—
15.6"
15.6" - IPS
V-Sync Rate at Max Res.
60 Hz
—
—
—
60 Hz
Widescreen
Yes
Yes
—
Yes
Yes
Storage
Main Storage
256 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe), 3D Triple-level Cell (TLC) - Apacer
512 GB SSD - Quad-level Cell (QLC) - Micron
—
512 GB SSD - Quad-level Cell (QLC) - Micron
512 GB M.2 2280 PCIe 4.0 - NVM Express (NVMe) - Samsung
Battery
Capacity
53 Wh
53 Wh
—
53 Wh
53 Wh
Run Time
—
—
—
—
Up to 17.5 hours
Technology
Lithium Ion
—
—
—
—
Miscellaneous
Case Material
Anodised aluminium
Case Material
—
Polycarbonate, ABS plastic
Polycarbonate, ABS plastic
Colour
Steel grey
Pure silver
—
Pure silver
Pure silver
Features
—
—
—
Administrator password, system password
Administrator password, system password, Acer Dust Defender technology
Included Accessories
USB-C power adapter
USB-C power adapter
—
USB-C power adapter
USB-C power adapter
Integrated Options
Gyro sensor
—
—
—
—
Localisation
—
Region: United Kingdom
—
Region: United Kingdom
—
Localization
Region: United Kingdom
—
—
—
Region: United Kingdom
Security
Google Security Chip H1, fingerprint reader
—
—
—
Discrete Trusted Platform Module (TPM) solution, fingerprint reader
Security Slot Type
Kensington nano security slot
Kensington security slot
—
Kensington security slot
Kensington nano security slot
Specific Absorption Rate (SAR)
1.17 W/kg (head), 1.17 W/kg (body), 1.17 W/kg (limb)
1.02 W/kg (head), 1.02 W/kg (body), 1.02 W/kg (limb)
—
1.02 W/kg (head) 1.02 W/kg (body) 1.02 W/kg (limb)
1.14 W/kg (head), 1.14 W/kg (body), 1.14 W/kg (limb)
Surface Finish
—
Painting
—
Painting
Painting
Technology
—
—
—
—
Lithium polymer
Theft/Intrusion Protection
Security lock slot (cable lock sold separately)
Security lock slot (cable lock sold separately)
—
Security lock slot (cable lock sold separately)
Security lock slot (cable lock sold separately)
Processor / Chipset
Cache
10 MB
12 MB
—
12 MB
L3 - 12 MB
CPU
Intel Core i3 (13th Gen) i3-1315U / 1.2 GHz
Intel Core i5 (13th Gen) 13420H / 2.1 GHz
—
Intel Core i5 (13th Gen) 13420H / 2.1 GHz
Intel Core 5 (Series 1) 120U / 1.4 GHz
Efficient Cores
—
4
—
4
8
Max Turbo Speed
4.5 GHz
4.6 GHz
—
4.6 GHz
5 GHz
Number of Cores
6-core
8-core
—
8-core
10-core
Performance Cores
—
4
—
4
2
Processor manufacturer
Intel
—
—
—
Intel
Processor Manufacturer
—
Intel
—
Intel
—
Audio & Video
Camera
Yes - QHD
Yes - HD
—
Yes - HD
Yes - Full HD
Camera Features
Privacy shutter, Temporal Noise Reduction
—
—
—
Privacy shutter, Windows Hello, Temporal Noise Reduction
Graphics Processor
Intel UHD Graphics
Intel UHD Graphics
—
Intel UHD Graphics
Intel Graphics
Sound
Stereo speakers, two microphones
Stereo speakers, two microphones
—
Stereo speakers, two microphones
Stereo speakers, two microphones
Video Resolutions
—
—
—
—
1920 x 1080
Sustainability
Carbon Footprint
—
—
—
273 kg carbon emissions
278 kg carbon emissions
PAIA Version
—
—
—
1.4.3
1.4.3
TCO Certified
- TCO Certified Notebooks 9
- TCO Certified, generation 10, for notebooks
—
- TCO Certified, generation 10, for notebooks
- TCO Certified Notebooks 9
Total CF/unit Standard Deviation (kg CO2e)
—
—
—
64
63
Weight & Dimensions
Dimensions (WxDxH)
31.99 cm x 22.99 cm x 2.09 cm
36.29 cm x 23.75 cm x 1.995 cm
—
—
36.126 cm x 24.275 cm x 2.035 cm
Weight
1.55 kg
1.8 kg
—
—
1.659 kg
Weight & dimensions
Dimensions (WxDxH)
—
—
—
36.29 cm x 23.75 cm x 1.995 cm
—
Weight
—
—
—
1.8 kg
—
Communications
Features
Dual stream (2x2)
Dual stream (2x2)
—
Dual stream (2x2)
Dual stream (2x2)
Network Interface
—
—
—
—
Gigabit Ethernet
Wireless
Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Bluetooth, 802.11a/b/g/n/ac/ax
—
Bluetooth, 802.11a/b/g/n/ac/ax
802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller
Intel Wi-Fi 6E AX 211 - M.2 1216 (CNVi)
—
—
—
—
Input
Features
Volume control, multi-gesture touch pad, OceanGlass touchpad
Multi-gesture touch pad, precision touchpad, AcerSense key
—
Multi-gesture touch pad, precision touchpad, AcerSense key
Multi-gesture touch pad, precision touchpad, Copilot key, TravelMate Sense key
Keyboard Backlight
Yes (white)
—
—
—
Yes (white)
Keyboard Layout
UK
UK
—
UK
UK
Numeric Keypad
—
Yes
—
Yes
Yes
Type
Keyboard, digitizer, touchpad, digital pen
Keyboard, touchpad
—
Keyboard, touchpad
Keyboard, touchpad
Connections & Expansion
Interfaces Details
2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery), USB 3.2 Gen 2, HDMI, Headphone/microphone combo jack
HDMI 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) 2 x USB 3.2 Gen 1 Headphone/microphone combo jack
—
HDMI 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) 2 x USB 3.2 Gen 1 Headphone/microphone combo jack
HDMI, 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (DC-In combo, Power Delivery), USB 3.2 Gen 1 (with power off charging), USB 3.2 Gen 1, LAN, Headphone/microphone combo jack
Memory Card Reader
—
—
—
—
Yes (microSD)
AC Adapter
Output
65 Watt
65 Watt
—
65 Watt
65 Watt
Manufacturer Warranty
Service & Support
Limited warranty - 1 year - carry-in, International travellers warranty - 1 year
Limited warranty - 1 year - carry-in, International travellers warranty - 1 year
—
Limited warranty - 1 year - carry-in International travellers warranty - 1 year
Limited warranty - 1 year - carry-in, International travellers warranty - 1 year
Software
Software Included
—
AcerSense
—
AcerSense
Acer ProShield Plus Security Manager, TravelMateSense