Product Comparison
Technical Specifications
Feature

Brand: Lenovo|SKU: 21RK004KUK
Lenovo ThinkPad X13 Gen 6 21RK
£1555.50
Stock: 251

Brand: Lenovo|SKU: 21SR000NUK
Lenovo ThinkPad E16 Gen 3 21SR
£995.81
Stock: 1056
Memory
Internal memory
—
—
32 GB
—
16 GB
Internal memory type
—
—
LPDDR5x-SDRAM
—
DDR5-SDRAM
Maximum internal memory
—
—
32 GB
—
64 GB
Memory clock speed
—
—
8400 MHz
—
5600 MHz
Memory form factor
—
—
On-board
—
SO-DIMM
Memory layout (slots x size)
—
—
—
—
1 x 16 GB
Memory slots
—
—
—
—
2x SO-DIMM
Display
Anti-glare screen
—
—
Yes
—
Yes
Colour gamut
—
—
100%
—
45%
Display brightness
—
—
400 cd/m²
—
300 cd/m²
Display diagonal
—
—
33.8 cm (13.3")
—
40.6 cm (16")
Display resolution
—
—
1920 x 1200 pixels
—
1920 x 1200 pixels
HD type
—
—
WUXGA
—
WUXGA
LED backlight
—
—
Yes
—
Yes
Maximum refresh rate
—
—
—
—
60 Hz
Native aspect ratio
—
—
16:10
—
16:10
Panel type
—
—
IPS
—
IPS
RGB colour space
—
—
sRGB
—
NTSC
Touchscreen
—
—
No
—
No
Graphics
Discrete graphics card
—
—
No
—
No
Discrete graphics card model
—
—
Not available
—
Not available
On-board GPU manufacturer
—
—
Intel
—
Intel
On-board graphics card
—
—
Yes
—
Yes
On-board graphics card family
—
—
Intel Graphics
—
Intel Arc Graphics
On-board graphics card model
—
—
Intel Graphics
—
Intel Arc 140T
Storage
Card reader integrated
—
—
No
—
No
M.2 SSD size
—
—
—
—
2242 (22 x 42 mm)
Number of SSDs installed
—
—
1
—
1
NVMe
—
—
Yes
—
Yes
Optical drive type
—
—
No
—
No
SSD capacity
—
—
512 GB
—
512 GB
SSD form factor
—
—
M.2
—
M.2
SSD interface
—
—
PCI Express 4.0
—
PCI Express 4.0
Storage media
—
—
SSD
—
SSD
Total SSDs capacity
—
—
512 GB
—
512 GB
Total storage capacity
—
—
512 GB
—
512 GB
Power
AC adapter frequency
—
—
50/60 Hz
—
50/60 Hz
AC adapter input voltage
—
—
100 - 240 V
—
100 - 240 V
AC adapter power
—
—
65 W
—
65 W
USB Power Delivery (USB PD)
—
—
Yes
—
Yes
USB Type-C charging port
—
—
Yes
—
Yes
Battery
Battery capacity
—
—
54.7 Wh
—
64 Wh
Battery technology
—
—
Lithium-Ion (Li-Ion)
—
Lithium-Ion (Li-Ion)
Network
Antenna type
—
—
2x2
—
2x2
Bluetooth
—
—
Yes
—
Yes
Bluetooth version
—
—
5.4
—
5.3
Ethernet LAN
—
—
No
—
Yes
Ethernet LAN data rates
—
—
—
—
100,1000 Mbit/s
Mobile network connection
—
—
No
—
No
Near Field Communication (NFC)
—
—
Yes
—
No
Top Wi-Fi standard
—
—
Wi-Fi 7 (802.11be)
—
Wi-Fi 6E (802.11ax)
Wi-Fi standards
—
—
Wi-Fi 7 (802.11be)
—
Wi-Fi 6E (802.11ax)
WLAN controller manufacturer
—
—
Intel
—
Intel
WLAN controller model
—
—
—
—
Intel Wi-Fi 6E AX211
WWAN
—
—
Upgradable
—
Not installed
Keyboard
Full-size keyboard
—
—
—
—
Yes
Keyboard backlit
—
—
Yes
—
Yes
Keyboard language
—
—
English
—
UK English
Keyboard layout
—
—
—
—
QWERTY
Numeric keypad
—
—
No
—
Yes
Pointing device
—
—
ThinkPad UltraNav
—
ThinkPad UltraNav
Packaging content
AC adapter included
—
—
Yes
—
Yes
Neural Processor Unit (NPU)
AI datatype support on NPU
—
—
—
—
FP16, FP32, Int8
AI software frameworks supported by NPU
—
—
DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
—
DirectML, ONNX RT, OpenVINO, Windows ML
GPU performance up to
—
—
—
—
74 TOPs
Neural processor unit (NPU)
—
—
Intel AI Boost
—
Intel AI Boost
NPU performance up to
—
—
—
—
13 TOPs
Sparsity support
—
—
Yes
—
Yes
Total processor performance up to
—
—
—
—
96 TOPs
Windows Studio effects support
—
—
Yes
—
Yes
Audio
Audio chip
—
—
Realtek ALC3287
—
—
Audio system
—
—
—
—
Dolby Atmos
Built-in microphone
—
—
Yes
—
Yes
Number of built-in speakers
—
—
2
—
2
Number of microphones
—
—
2
—
2
Speaker power
—
—
2 W
—
2 W
Speakers manufacturer
—
—
—
—
Harman Kardon
Security
Cable lock slot
—
—
Yes
—
Yes
Cable lock slot type
—
—
Kensington
—
Kensington
Fingerprint reader
—
—
Yes
—
Yes
Smart card reader
—
—
Yes
—
No
Trusted Platform Module (TPM)
—
—
Yes
—
Yes
Trusted Platform Module (TPM) version
—
—
2.0
—
2.0
Windows Hello
—
—
Yes
—
Yes
Certificates
Certification
—
—
ENERGY STAR,TCO,EPEAT Gold,RoHS
—
ENERGY STAR,TCO,EPEAT Gold,RoHS
Compliance certificates
—
—
—
—
RoHS
Design
Colour name
—
—
—
—
Black
Form factor
—
—
Clamshell
—
Clamshell
Housing material
—
—
Aluminium
—
Aluminium
Market positioning
—
—
—
—
Business
Product colour
—
—
Black
—
Black
Product type
—
—
Laptop
—
Laptop
Ports & interfaces
Combo headphone/mic port
—
—
Yes
—
Yes
Ethernet LAN (RJ-45) ports
—
—
—
—
1
HDMI ports quantity
—
—
1
—
1
HDMI version
—
—
2.1
—
2.1
Intel® Thunderbolt 4
—
—
Yes
—
Yes
Thunderbolt 4 ports quantity
—
—
2
—
1
USB 2.0 ports quantity
—
—
0
—
—
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
—
—
1
—
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
—
—
0
—
—
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
—
—
—
—
1
USB 3.2 Gen 2x2 Type-C ports quantity
—
—
—
—
1
USB Sleep-and-Charge
—
—
Yes
—
Yes
USB Type-C DisplayPort Alternate Mode
—
—
—
—
Yes
Weight & dimensions
Depth
—
—
207 mm
—
249 mm
Height (front)
—
—
1.02 cm
—
1.01 cm
Height (rear)
—
—
1.33 cm
—
1.71 cm
Weight
—
—
962 g
—
1.63 kg
Width
—
—
299.3 mm
—
356 mm
Processor
Efficient cores
—
—
8
—
8
Efficient-core base frequency
—
—
1.7 GHz
—
1.5 GHz
Efficient-core Max Turbo Frequency
—
—
4.2 GHz
—
4.4 GHz
Low Power Efficient-core Base Frequency
—
—
700 MHz
—
700 MHz
Low Power Efficient-core Max Turbo Frequency
—
—
2.4 GHz
—
2.5 GHz
Low Power Efficient-cores
—
—
2
—
2
Maximum turbo power
—
—
57 W
—
115 W
Performance cores
—
—
2
—
6
Performance-core base frequency
—
—
2 GHz
—
2 GHz
Performance-core Max Turbo Frequency
—
—
5.2 GHz
—
5.1 GHz
Processor base power
—
—
15 W
—
28 W
Processor boost frequency
—
—
5.2 GHz
—
5.1 GHz
Processor cache
—
—
12 MB
—
24 MB
Processor cache type
—
—
—
—
Smart Cache
Processor cores
—
—
12
—
16
Processor family
—
—
Intel Core Ultra 7
—
Intel Core Ultra 7
Processor generation
—
—
Intel Core Ultra (Series 2)
—
Intel Core Ultra (Series 2)
Processor manufacturer
—
—
Intel
—
Intel
Processor model
—
—
255U
—
255H
Processor threads
—
—
14
—
16
Camera
Front camera
—
—
—
—
Yes
Front camera HD type
—
—
—
—
Full HD
Front camera resolution
—
—
—
—
1920 x 1080 pixels
Front camera resolution (numeric)
—
—
5 MP
—
—
Infrared (IR) camera
—
—
Yes
—
Yes
Privacy camera
—
—
Yes
—
Yes
Privacy type
—
—
Privacy shutter
—
Privacy shutter
Operational conditions
Maximum shipping altitude
—
—
—
—
3048 m
Operating relative humidity (H-H)
—
—
8 - 95%
—
8 - 95%
Operating temperature (T-T)
—
—
5 - 35 °C
—
5 - 35 °C
Storage relative humidity (H-H)
—
—
5 - 95%
—
5 - 95%
Storage temperature (T-T)
—
—
5 - 43 °C
—
5 - 43 °C
Performance
Motherboard chipset
—
—
Intel SoC
—
Intel SoC
Software
Operating system architecture
—
—
64-bit
—
64-bit
Operating system installed
—
—
Windows 11 Pro
—
Windows 11 Pro
Operating system language
—
—
—
—
English, US English
Sustainability
Sustainability certificates
—
—
—
—
ENERGY STAR, EPEAT Gold, ErP
