Dell XPS 16 (9640) vs Lenovo IdeaPad Slim 5i 14" (2021, Intel)

[ VERDICT ] Winner: Dell XPS 16 (9640) (88/100)

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo IdeaPad Slim 5i 14" (2021, Intel) (40/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Battery Life 82.0 Very Good
Display 96.0 Excellent
Gaming 84.0 Very Good WINNER 9.0 Poor
NanoReview Score 88.0 Very Good WINNER 40.0 Poor
Performance 89.0 Very Good WINNER 33.0 Poor

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Battery Wh 99.5 Wh
Battery type Li-Po
Charge power 65 W
Charging port position Left
Charging via USB (Power Delivery) Yes
Fast charging Yes
Replaceable No

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.39 kg (3.06 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400)
Aspect ratio 16:9
Coating Matte
HDR support No
PPI 157 ppi
Refresh rate 60 Hz
Resolution 1920 x 1080 pixels
Size 14 inches
Sync technology No
Touchscreen No
Type TN LCD

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Cpu Intel Core Ultra 7 155H (16 cores, up to 4.8 GHz, Intel AI Boost)
Gpu NVIDIA GeForce RTX 4070 Laptop (8 GB GDDR6, 60W)
Ram 32 GB LPDDR5X-7467 MHz
Storage 1 TB PCIe 4.0 NVMe SSD

CPU

CPU specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Base frequency 0.9-2.4 GHz
Cores 4
Fabrication process 10 nm
Integrated GPU Iris Xe Graphics G7 80EU
L3 Cache 8 MB
Threads 8
Turbo frequency 4.2 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Area 680 cm2(105.5 inches2)
Colors Silver, Gray
Cooling system Active
Dimensions 321.5 x 211.5 x 17.9 mm12.66 x 8.33 x 0.7 inches
Material Top: AluminumMiddle: AluminumBottom: Plastic
Number of fans 1
Screen-to-body ratio ~79.4%
Side bezels 5.8 mm
Transformer No
Vapor chamber No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.39 kg (3.06 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Audio jack (3.5 mm) Yes
Bluetooth v5.1
DisplayPort No
Ethernet (RJ45) No
Fingerprint Yes
HDMI 1x HDMI 1.4
Infrared sensor No
Optical drive No
Proprietary charging port Yes
SD card reader Yes
Thunderbolt No
USB Type-C 1x USB 3.2
USB-A 2x USB 3.2
VGA No
Webcam Above the display
Webcam resolution 1280 x 720
Wi-Fi standard v6

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Blender GPU 132

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
FLOPS 1.7-2.8 TFLOPS
GPU performance 1.7-2.8 TFLOPS
Memory bus 64 bit
Memory size 2 GB
Memory speed ~10 Gbps
Memory type GDDR6
Raster operations pipelines (ROPs) 32
Shading units (cores) 896
Texture mapping units (TMUs) 56

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Backlight Yes
Keyboard type Island
Numpad No
Windows Precision Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Channels 1x4 GB
Clock 3200 MHz
Total slots 2
Upgradable No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Microphones 2
Power 2x2W
Speakers 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 5i 14" (2021, Intel)
Bus PCI-E Gen 3.0 (4x)
NVMe Yes
Storage type SSD (M2)

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