Product Comparison
Technical Specifications
Feature

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

Brand: Lenovo|SKU: 21SX0046UK
Lenovo ThinkPad E14 Gen 7 21SX
£844.70
Stock: 846
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")
35.6 cm (14")
—
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 Graphics
—
On-board graphics card model
—
—
Intel Graphics
Intel Graphics
—
Storage
Card reader integrated
—
—
No
No
—
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
Keyboard backlit
—
—
Yes
Yes
—
Keyboard language
—
—
English
UK English
—
Keyboard layout
—
—
—
QWERTY
—
Numeric keypad
—
—
No
No
—
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, OpenVINO, Windows ML, ONNX RT, WebNN
—
Neural processor unit (NPU)
—
—
Intel AI Boost
Intel AI Boost
—
NPU performance up to
—
—
—
12 TOPs
—
Sparsity support
—
—
Yes
Yes
—
Windows Studio effects support
—
—
Yes
Yes
—
Audio
Audio chip
—
—
Realtek ALC3287
Senary SN6141
—
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
—
Software
Bundled software
—
—
—
AI Now
—
Operating system architecture
—
—
64-bit
64-bit
—
Operating system installed
—
—
Windows 11 Pro
Windows 11 Pro
—
Operating system language
—
—
—
English, US English
—
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
220.3 mm
—
Height (front)
—
—
1.02 cm
1.01 cm
—
Height (rear)
—
—
1.33 cm
1.52 cm
—
Weight
—
—
962 g
1.34 kg
—
Width
—
—
299.3 mm
313 mm
—
Processor
Efficient cores
—
—
8
8
—
Efficient-core base frequency
—
—
1.7 GHz
1.3 GHz
—
Efficient-core Max Turbo Frequency
—
—
4.2 GHz
3.8 GHz
—
Low Power Efficient-core Base Frequency
—
—
700 MHz
700 MHz
—
Low Power Efficient-core Max Turbo Frequency
—
—
2.4 GHz
2.4 GHz
—
Low Power Efficient-cores
—
—
2
2
—
Maximum turbo power
—
—
57 W
57 W
—
Performance cores
—
—
2
2
—
Performance-core base frequency
—
—
2 GHz
1.5 GHz
—
Performance-core Max Turbo Frequency
—
—
5.2 GHz
4.8 GHz
—
Processor base power
—
—
15 W
15 W
—
Processor boost frequency
—
—
5.2 GHz
4.8 GHz
—
Processor cache
—
—
12 MB
12 MB
—
Processor cache type
—
—
—
Smart Cache
—
Processor cores
—
—
12
12
—
Processor family
—
—
Intel Core Ultra 7
Intel Core Ultra 5
—
Processor generation
—
—
Intel Core Ultra (Series 2)
Intel Core Ultra (Series 2)
—
Processor manufacturer
—
—
Intel
Intel
—
Processor model
—
—
255U
225U
—
Processor threads
—
—
14
14
—
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
—
Sustainability
Sustainability certificates
—
—
—
ENERGY STAR, EPEAT Gold, ErP
—
