Lenovo IdeaPad Slim 3i 15.6" 82X700FLCC 2025, Core i7-1355U, 16GB, 1TB SSD, Arctic Grey

The 10-core Intel Core i7-1355U and 16GB of DDR5 RAM deliver strong multitasking performance for a budget-oriented 15.6-inch laptop. A 1TB SSD provides generous storage, while the full HD IPS display and backlit keyboard offer practical, everyday usability. This configuration is best for developers or business users who need a capable Windows 11 machine for productivity tasks, not graphics-intensive work.

CPU Intel Core i7 1355U
RAM 16 GB
Storage 1 TB
Screen 15.6" 1920x1080
GPU Intel Iris Xe Graphics
OS Windows 11 Home
Weight 2.5 kg
Battery 47 Wh
Lenovo IdeaPad Slim 3i 15.6" 82X700FLCC 2025, Core i7-1355U, 16GB, 1TB SSD, Arctic Grey laptop
51 Overall Score

No current retailer price

Snapshot

The 30-Second Version

A practical workhorse with a killer RAM and storage combo for the price, held back by a dim screen and weak graphics. Find it for under $900 and it's a steal for coders and students.

Pros & Cons

Pros

  • Generous 16GB DDR5 RAM and 1TB SSD for the price 82nd
  • Snappy everyday performance for office and dev work 81st
  • Solid port selection including Thunderbolt and HDMI 65th
  • Reliability scores are well above average

Cons

  • Integrated graphics are a total non-starter for gaming
  • The 47Wh battery is small, don't expect all-day unplugged life
  • Display is a dim 300 nits and stuck at 60Hz
  • At 2.5kg, it's a chunky boy to lug around

The proof

Performance

The i7-1355U is a solid workhorse for everyday tasks, landing in the middle of the pack for CPU performance. What surprised us is how well this thing handles multitasking thanks to that 16GB of fast DDR5 RAM. It's snappy and responsive for everything in its wheelhouse. But the moment you try to fire up a game or do any 3D rendering, the integrated graphics bring the whole experience to a crawl. This machine has a clear job, and it does it well, but step outside that lane and you'll feel the limits immediately.

Performance Percentiles

CPU 47
GPU 47.2
RAM 54.8
Ports 81.1
Screen 39.1
Portability 24.6
Storage 65.2
Reliability 81.8
Affordability 0

Specifications

Full Specifications

Processor

CPU Intel Core i7 1355U
Cores 10
Frequency 1.7 GHz
L3 Cache 12 MB

Graphics

GPU Intel Iris Xe Graphics
Type Integrated
VRAM Type Shared

Memory & Storage

RAM 16 GB
RAM Generation DDR5
Storage 1 TB
Storage Type SSD

Display

Size 15.6"
Resolution 1920x1080 (Full HD)
Panel IPS
Refresh Rate 60 Hz
Brightness 300 nits

Connectivity

USB-C Ports 1
USB Ports 2
Thunderbolt Thunderbolt 4
HDMI 1 x HDMI
Wi-Fi Wi-Fi 6
Bluetooth Bluetooth 5.2
Ethernet No Onboard Ethernet

Physical

Weight 2.5 kg / 5.5 lbs
Battery 47 Wh
OS Windows 11 Home

vs Competition

Stacked against something like the Microsoft Surface Laptop 7th Edition, the IdeaPad looks clunky and its screen is a letdown. The Surface has a premium build and a much better display, but you'll pay a premium for it. The HP OMEN Transcend 14 is in a different universe for gaming, but it's also a different price bracket. If you're a developer on a budget, this Lenovo is a smarter buy than a base-model MacBook Pro M5 Pro, simply because you get double the RAM and storage for less cash. It's a pragmatic choice over a flashy one.

Spec Lenovo IdeaPad Slim 3i 15.6" 82X700FLCC Apple MacBook Pro M4 Max ASUS ROG Zephyrus GA403WW-G14.R95080 HP OMEN Transcend MSI Raider RAIDERGE6814247 Alienware Aurora LAC16251-9582BLU-PUS
CPU Intel Core i7 1355U Apple M4 Max AMD Ryzen AI 9 HX 370 Intel Core Ultra 9 285H Intel Core i9 14900HX Intel Core Ultra 9 275HX
RAM (GB) 16 64 32 32 32 32
Storage (GB) 1024 4096 2048 1024 2048 2048
Screen 15.6" 1920x1080 14.2" 3024x1964 14" 2880x1800 14" 2880x1800 16" 3840x2160 16" 2560x1600
GPU Intel Iris Xe Graphics Apple (40-Core) NVIDIA GeForce RTX 5080 NVIDIA GeForce RTX 5070 NVIDIA GeForce RTX 4070 NVIDIA GeForce RTX 5070
OS Windows 11 Home macOS Windows 11 Home Windows 11 Home Windows 11 Home Windows 11 Home
Weight (kg) 2.5 1.6 1.6 1.6 2.7 2.5
Battery (Wh) 47 72 - 71 100 96
Compare Compare Compare Compare Compare
Product CPUGPURAMPortsScreenPortabilityStorageReliabilityAffordability
Lenovo IdeaPad Slim 3i 15.6" 82X700FLCC 4747.254.881.139.124.665.281.80
Apple MacBook Pro M4 Max Compare 93.890.795.773.599.368.998.598.11.6
ASUS ROG Zephyrus GA403WW-G14.R95080 Compare 91.297.490.989.496.573.789.860.45.4
HP OMEN Transcend Compare 90.192.689.889.496.572.365.233.48.4
MSI Raider RAIDERGE6814247 Compare 93.294.586.498.6989.393.960.410.2
Alienware Aurora LAC16251-9582BLU-PUS Compare 97.292.686.483.390.712.689.8414.1

Price

Value & Pricing

Pricing is all over the map, from $799 to $1200 depending on the vendor. At the low end, this is a fantastic deal for a well-built work laptop with a 1TB SSD. At the high end, you're getting fleeced. Memory Express has the best price we've seen, and that's the one to jump on. For $1200, you can get a laptop with a dedicated GPU and a better screen, so don't overpay.

Read more

Overview

The Lenovo IdeaPad Slim 3i is the laptop equivalent of a sensible sedan. It won't turn heads at the coffee shop, but it'll get you where you're going without a fuss. The big draw here is the spec sheet for the price: a 10-core Intel i7-1355U, 16GB of DDR5 RAM, and a full 1TB SSD. That's a lot of headroom for office work, coding, and having about a million browser tabs open. Just don't expect it to do anything graphically demanding, the integrated Intel Iris Xe graphics are strictly for spreadsheets and streaming.

Common Questions

Q: Can this laptop run modern games like Cyberpunk or Call of Duty?

Nope, not a chance. The integrated Intel Iris Xe graphics are fine for streaming video and light photo editing, but they'll choke on anything more demanding than Solitaire. You need a laptop with a dedicated GPU for real gaming.

Q: Is the RAM upgradeable on this model?

Probably not. Most of these slim IdeaPads have the RAM soldered to the motherboard. What you buy is what you're stuck with, so getting the 16GB model is the smart move from day one.

Q: How is the battery life for a full day of classes or work?

It's going to be tight. The 47Wh battery is on the small side for a 15.6-inch laptop. You'll likely need to bring the charger if you're away from an outlet for more than 5 or 6 hours of real use.

Who Should Skip This

If you're looking for a gaming laptop or anything with a gorgeous screen for creative work, this isn't it. Go get an ASUS ProArt PX13 for color-accurate work or an HP OMEN Transcend 14 if you want to game. This Lenovo is strictly a work-and-study machine.

Verdict

Buy this if you need a no-nonsense Windows laptop for coding, office work, or school and you find it for under $900. The RAM and storage combo is the real hero here, making it feel faster and more capable than many pricier machines with half the memory. Just know that the screen is mediocre and you'll be hunting for a power outlet by mid-afternoon. It's a tool, not a toy, and for the right price, it's a damn good one.

Usage Scores

Overall (51.2)AI/LLM (21.7)Gaming (15.2)Portability (42.6)Creator (27.7)Student (46.2)Business (49.4)Developer (59.1)Entertainment (47.3)
  • Overall51.2
  • AI/LLM21.7
  • Gaming15.2
  • Portability42.6
  • Creator27.7
  • Student46.2
  • Business49.4
  • Developer59.1
  • Entertainment47.3

Other Configurations8

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