Dell XPS 16 (9640) vs Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)

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

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo IdeaPad Pro 5a Gen 11 (16" 2026) (66/100), 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 Pro 5a Gen 11 (16" 2026)
Lenovo

Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)

66/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Battery Life 82.0 Very Good —
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 13.0 Poor
NanoReview Score 88.0 Very Good WINNER 66.0 Average
Performance 89.0 Very Good WINNER 73.0 Good

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Battery Wh 99.5 Wh —
Battery type — Li-Po
Charge power — 100 W
Charging port position — Left
Charging via USB (Power Delivery) — Yes, 100 W
Fast charging — Yes
Replaceable — No

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.66 kg (3.66 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400) —
Adaptive refresh rate — Yes
Aspect ratio — 16:10
Coating — Glossy
Contrast — 1000000:1
DCI-P3 color gamut — 100%
HDR support — Yes, HDR10
PPI — 212 ppi
Refresh rate — 120 Hz
Resolution — 2880 x 1800 pixels
Response time — 1 ms
Size — 16 inches
Touchscreen — No
Type — OLED

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
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 Pro 5a Gen 11 (16" 2026)
Base frequency — 2.0 GHz
Cores — 8 (4P + 4E)
Fabrication process — 4 nm
Integrated GPU — Radeon 860M
L3 Cache — 16 MB
Threads — 16
Turbo frequency — 5.1 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Area — 890 cm2(138 inches2)
Colors — Gray
Cooling system — Active
Dimensions — 356 x 250 x 15.85 mm14.02 x 9.84 x 0.62 inches
Liquid metal — No
Material — Aluminum
Number of fans — 2
Opening angle — 180°
Screen-to-body ratio — ~83.4%
Side bezels — 5.7 mm
Transformer — No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.66 kg (3.66 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.4
DisplayPort — No
Ethernet (RJ45) — No
Fingerprint — No
HDMI — 1x HDMI 2.1
Infrared sensor — Yes
Optical drive — No
Proprietary charging port — Yes
SD card reader — Yes
Thunderbolt — No
USB Type-C — 2x USB 4.0
USB-A — 2x USB 3.2
VGA — No
Webcam — Above the display
Webcam resolution — 1920 x 1080
Wi-Fi standard — v7

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Blender GPU — 189
Solar Bay — 10962

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
FLOPS — 3.2 TFLOPS
GPU base clock — 600 MHz
GPU boost clock — 3100 MHz
GPU performance — 3.2 TFLOPS
Memory size — System Shared
Memory speed — 8.53 Gbps
Memory type — LPDDR5X
Raster operations pipelines (ROPs) — 16
Shading units (cores) — 512
TGP — 15 W
Texture mapping units (TMUs) — 32

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Backlight — Yes
Key travel — 1.5 mm
Keyboard type — Island
Numpad — Yes
Surface — Glass
Windows Precision — Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Channels — 1x8, 1x16 GB
Clock — 8533 MHz
Upgradable — No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Dolby Atmos — Yes
Microphones — 2
Power — 2x2W
Speakers — 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Pro 5a Gen 11 (16" 2026)
Bus — PCI-E Gen 5.0 (4x)
NVMe — Yes
Storage type — SSD (M2)
Total slots — 2

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