Dell Inspiron 16 Plus 7640 vs Lenovo Legion 9i Gen 10 (2025)

[ VERDICT ] Winner: Lenovo Legion 9i Gen 10 (2025) (89/100)

Lenovo Legion 9i Gen 10 (2025) leads overall with a score of 89/100 compared to Dell Inspiron 16 Plus 7640 (49/100), offering superior measured performance and technical specifications.

Why choose Lenovo Legion 9i Gen 10 (2025):
  • + Higher Gaming score (92 vs 31)
  • + Higher DeviceBenchmark Score score (89 vs 49)
  • + Higher Performance score (96 vs 55)
Dell Inspiron 16 Plus 7640
Dell

Dell Inspiron 16 Plus 7640

49/100
View Full Specs →
[ WINNER ]
Lenovo Legion 9i Gen 10 (2025)
Lenovo

Lenovo Legion 9i Gen 10 (2025)

89/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
DeviceBenchmark Score 49.0 Poor 89.0 Very Good WINNER
Gaming 31.0 Poor 92.0 Excellent WINNER
Performance 55.0 Below Average 96.0 Excellent WINNER

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Battery type Li-Ion Li-Po
Cable length 1 meters —
Charge power 90 / 100 / 130 W 400 W
Charging port position Left Left, Bottom
Charging via USB (Power Delivery) Yes Yes, 140 W
Fast charging Yes Yes
Replaceable No No
Voltage 15.2 V —
Weight of AC adapter 489 grams 1247 grams

CPU

CPU specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Base frequency 1.2 GHz 2.7 GHz
Cores 14 (4P + 10E) 24 (8P + 16E)
Fabrication process 7 nm 3 nm
Integrated GPU Arc Graphics (7-Cores) Arc Graphics (4-Cores)
L3 Cache 18 MB 36 MB
Threads 18 24
Turbo frequency 4.5 GHz 5.4 GHz

Case

Case specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Area 894 cm2(138.7 inches2) 1195 cm2(185.2 inches2)
Colors Silver, Blue Black
Cooling system Active Active
Dimensions 356.78 x 250.6 x 16.70-19.75 mm14.05 x 9.87 x 0.66-0.78 inches 403 x 296.5 x 23.9-27.95 mm15.87 x 11.67 x 0.94-1.1 inches
Liquid metal No Yes
Material Aluminum Aluminum
Noise level (max. load) 51 dB 56 dB
Number of fans 1 4
Opening angle 95° 180°
Screen-to-body ratio ~83% ~78.6%
Side bezels 6.1 mm 7.7 mm
Transformer No No
Vapor chamber No Yes
Weight 1.9 kg (4.19 lbs) 3.5 kg (7.72 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Audio jack (3.5 mm) Yes Yes
Bluetooth v5.4 v5.4
DisplayPort No No
Ethernet (RJ45) No Yes
Fingerprint Optional No
HDMI 1x HDMI 1.4 1x HDMI 2.1
Infrared sensor No Yes
Optical drive No No
Proprietary charging port Yes Yes
SD card reader Yes Yes
Thunderbolt Thunderbolt 4 Thunderbolt 5
USB Type-C 1x USB 4.0 3x USB 4.0
USB-A 2x USB 3.2 3x USB 3.2
VGA No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 2560 x 1440
Wi-Fi standard v7 v7

Display

Display specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Ambient light sensor No —
Aspect ratio 16:10 16:10
Coating Matte Glossy
Contrast 1200:1 1200:1
HDR support Yes, Dolby Vision Yes, Dolby Vision
PPI 142 ppi 252 ppi
Refresh rate 60 Hz 240 Hz
Resolution 1920 x 1200 pixels 3840 x 2400 pixels
Response time 35 ms 3 ms
Size 16 inches 18 inches
Sync technology No G-Sync
Touchscreen No No
Type IPS LCD Mini LED
sRGB color space 100% 100%
Adobe RGB profile — 96.8%
DCI-P3 color gamut — 88.9%

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Blender GPU 2310 7717
Solar Bay 30182 123422

Graphics Card

Graphics Card specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
FLOPS 9.9 TFLOPS 42 TFLOPS
GPU performance 9.9 TFLOPS 42 TFLOPS
Memory bus 96 bit 256 bit
Memory size 6 GB 16 GB
Memory speed ~16 Gbps ~28 Gbps
Memory type GDDR6 GDDR7
Nvidia Optimus Yes MUX
Raster operations pipelines (ROPs) 32 96
Shading units (cores) 2560 7680
TGP 70 W 175 W
Texture mapping units (TMUs) 80 240
GPU base clock — 975 MHz

Input

Input specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Backlight Optional Yes
Keyboard type Island Island
Numpad No Yes
Surface Plastic Glass
Windows Precision Yes Yes
Key travel — 1.6 mm

RAM

RAM specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Channels 2x4 GB 2x16 GB
Clock 6400 MHz 5600 MHz
Upgradable No Yes
Max. ram size — 192 GB
Total slots 1 4

Sound

Sound specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Audio chip Realtek ALC3254 Realtek ALC3306
Dolby Atmos Yes No
Loudness ~87.1 dB ~79 dB
Microphones 2 2
Power 2x2W 2x2W, 2x2W
Speakers 2.0 2.2 (2 tweeters and 2 woofers)

Storage

Storage specifications comparison
Specification Dell Inspiron 16 Plus 7640 Lenovo Legion 9i Gen 10 (2025)
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 5.0 (4x)
NVMe Yes Yes
Storage type SSD (M2) SSD (M2)
Total slots 1 4

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