Dell XPS 16 (9640) vs Lenovo IdeaPad Flex 5 14” (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 Flex 5 14” (Intel) (43/100), offering superior measured performance and technical specifications.

[ WINNER ]
Dell XPS 16 (9640)
Dell

Dell XPS 16 (9640)

88/100
· $1899
View Full Specs →
Lenovo IdeaPad Flex 5 14” (Intel)
Lenovo

Lenovo IdeaPad Flex 5 14” (Intel)

43/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Battery Life 82.0 Very Good —
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 7.0 Poor
NanoReview Score 88.0 Very Good WINNER 43.0 Poor
Performance 89.0 Very Good WINNER 36.0 Poor

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (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
Full charging time — 2:30 hr
Replaceable — No
Weight of AC adapter — 300 grams

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.5 kg (3.31 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400) —
Ambient light sensor — Yes
Aspect ratio — 16:9
Coating — Glossy
HDR support — No
PPI — 157 ppi
Refresh rate — 60 Hz
Resolution — 1920 x 1080 pixels
Size — 14 inches
Sync technology — No
Touchscreen — Yes
Type — TN LCD

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (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 Flex 5 14” (Intel)
Base frequency — 2.0 GHz
Cores — 2
Fabrication process — 10 nm
Integrated GPU — Intel UHD Graphics Xe G4 48 EUs
L3 Cache — 4 MB
Threads — 4
Turbo frequency — 3.5 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Area — 751 cm2(116.4 inches2)
Colors — Gray, Blue, Green
Cooling system — Active
Dimensions — 328 x 229 x 17.9 mm12.91 x 9.02 x 0.7 inches
Liquid metal — No
Material — Plastic
Noise level (max. load) — 43 dB
Number of fans — 1
Opening angle — 360°
Screen-to-body ratio — ~71.9%
Side bezels — 9.1 mm
Transformer — Yes
Vapor chamber — No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.5 kg (3.31 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.2
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 Flex 5 14” (Intel)
Blender GPU — 142

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (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 Flex 5 14” (Intel)
Backlight — Yes
Key travel — 1.7 mm
Keyboard type — Island
Numpad — No
Surface — Plastic
Windows Precision — Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Channels — 2x4 GB
Clock — 3200 MHz
Upgradable — No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Dolby Atmos — Yes
Loudness — ~72 dB
Microphones — 2
Power — 2x2W
Speakers — 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Flex 5 14” (Intel)
Bus — PCI-E Gen 3.0 (4x)
NVMe — Yes
Storage type — SSD (M2)
Total slots — 1

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