Lenovo Legion Slim 5 16IRH8 16" Intel Core i5-13420H 2.1GHz / Nvidia GeForce RTX 3050 Laptop / 16GB RAM / 512GB SSD specifications and in-depth review

Lenovo Legion Slim 5 16IRH8 16" Intel Core i5-13420H 2.1GHz / Nvidia GeForce RTX 3050 Laptop / 16GB RAM / 512GB SSD

Manufacturer: Lenovo

The Lenovo Legion Slim 5 16IRH8 is a 16″ gaming laptop built around Intel's Core i5-13420H processor and an Nvidia GeForce RTX 3050 discrete GPU. Weighing 2,400 g with a relatively slim 19 mm profile, it strikes a balance between portability and gaming capability. The machine ships with 16GB of DDR5 RAM running at 5,200 MHz and a 512GB NVMe SSD, providing a reasonable foundation for everyday computing and gaming workloads.

The IPS LCD panel measures 16″ at a 1920 x 1200 resolution, delivering a pixel density of 141 ppi alongside a 144Hz refresh rate and 300 nits of typical brightness, with an anti-reflection coating included. Connectivity options include two USB 3.2 Gen 2 Type-C ports, two USB 3.2 Gen 2 Type-A ports, one HDMI 2.1 output, an RJ45 port, Wi-Fi 6E, and Bluetooth 5.3. The RTX 3050 GPU features 2,048 shading units, 4GB of GDDR6 VRAM on a 128-bit memory bus, and supports DirectX 12 Ultimate, ray tracing, and DLSS, with a floating-point performance rating of 4.329 TFLOPS. The 80 Wh battery rounds out the hardware package.

Pros
  • The 144Hz IPS display with a 1920x1200 resolution and anti-reflection coating provides a wider aspect ratio and smoother visuals for gaming and general use
  • Support for ray tracing and DLSS expands rendering options in compatible games without requiring manual configuration
  • Wi-Fi 6E support ensures access to the latest wireless standard for reduced interference and faster wireless throughput
  • The 80 Wh battery is a sizeable capacity for a gaming laptop, and sleep-and-charge USB ports allow peripheral charging when the system is off
  • Two USB 3.2 Gen 2 Type-C and two USB 3.2 Gen 2 Type-A ports offer fast data transfer across multiple devices simultaneously
  • The 19 mm thin chassis keeps the footprint relatively compact for a 16-inch gaming machine with active cooling
Cons
  • At 2,400 g, the laptop is on the heavier side for everyday portability
  • The GPU is limited to 4GB of GDDR6 VRAM on a 128-bit memory bus, which may restrict performance in VRAM-intensive workloads
  • Brightness is rated at only 300 nits, which can be limiting in well-lit or outdoor environments
  • No Thunderbolt 3, Thunderbolt 4, or DisplayPort outputs are available, reducing options for high-bandwidth external display or device connectivity
  • The chassis is not weather-sealed, offering no protection against moisture or splashes
  • The warranty period covers only one year
Who is this for?

This laptop is well suited to users who want a capable gaming machine in a relatively slim form factor, particularly those who play titles that benefit from ray tracing and DLSS support at moderate settings. The 144Hz IPS display with a 1920x1200 resolution makes it a practical choice for gamers and content consumers who value smooth, detailed visuals without needing a 4K panel. Students or users who split their time between gaming and everyday productivity tasks will also find the 16GB of DDR5 RAM, NVMe SSD, and Wi-Fi 6E connectivity adequate for multitasking, streaming, and general computing workflows in home or campus environments.

Who is this NOT for?

Users who need strong portability will likely find the 2,400 g weight a practical inconvenience for daily commuting or travel. The 4GB GDDR6 VRAM on a 128-bit memory bus makes this a poor fit for anyone looking to run graphically demanding titles at high settings or work with VRAM-intensive creative applications such as high-resolution 3D rendering or video production. Additionally, professionals who rely on fast external device ecosystems or multi-monitor setups will be constrained by the absence of Thunderbolt and DisplayPort outputs, and users working frequently in bright or outdoor environments may find the 300-nit display brightness insufficient.

Design:

Type Gaming
weight 2400 g
Uses a fanless design
Has a backlit keyboard
warranty period 1 years
volume 1773.46 cm³
width 359 mm
height 260 mm
thickness 19 mm
is weather-sealed (splashproof)

The Lenovo Legion Slim 5 16IRH8 is classified as a gaming laptop with a physical footprint of 359 mm wide by 260 mm deep and a 19 mm thickness, resulting in a total volume of 1,773.46 cm³. It weighs 2,400 g and does not use a fanless design, meaning active cooling is in place. The keyboard features backlighting, while the chassis is not weather-sealed or splashproof. The laptop comes with a 1-year warranty.

Display:

screen size 16"
resolution 1920 x 1200 px
pixel density 141 ppi
Display type LCD, LED-backlit, IPS
has a touch screen
brightness (typical) 300 nits
refresh rate 144Hz
has anti-reflection coating
supported displays 4

The laptop features a 16″ IPS LCD panel with LED backlighting, rendering content at a 1920 x 1200 px resolution and a pixel density of 141 ppi. Typical brightness is rated at 300 nits, and the screen includes an anti-reflection coating to reduce glare. With a 144Hz refresh rate, the display is suited for smoother visual output during fast-paced content. Touch input is not supported, and the system can drive up to 4 displays in total.

Performance:

RAM 16GB
RAM speed 5200 MHz
Uses flash storage
internal storage 512GB
CPU speed 4 x 2.1 & 4 x 1.5 GHz
CPU threads 12 threads
VRAM 4GB
floating-point performance 4.329 TFLOPS
GDDR version GDDR6
texture rate 67.65 GTexels/s
pixel rate 42.28 GPixel/s
Is an NVMe SSD
DirectX version DirectX 12 Ultimate
GPU clock speed 712 MHz
uses multithreading
maximum memory amount 32GB
DDR memory version 5
turbo clock speed 4.6GHz
GPU turbo 1740 MHz
memory slots 2
PCI Express (PCIe) version 4
semiconductor size 8 nm
has XeSS (XMX)
Supports 64-bit

The system is equipped with 16GB of DDR5 RAM running at 5,200 MHz, expandable up to 32GB across two memory slots, paired with a 512GB NVMe SSD for flash-based storage. The CPU operates at 4 x 2.1 GHz and 4 x 1.5 GHz across its cores, reaching a turbo clock of 4.6 GHz, with 12 threads and multithreading support enabled; it is built on an 8 nm process and supports 64-bit operations. On the graphics side, the GPU carries 4GB of GDDR6 VRAM, a base clock of 712 MHz boosting up to 1,740 MHz, and delivers 4.329 TFLOPS of floating-point performance alongside a texture rate of 67.65 GTexels/s and a pixel rate of 42.28 GPixel/s. The GPU is compatible with DirectX 12 Ultimate and connects via PCIe 4, though XeSS (XMX) is not supported.

Benchmarks:

PassMark (G3D) result 9278
PassMark result 17409
PassMark result (single) 3396

In standardized PassMark testing, the laptop records an overall CPU score of 17,409 and a single-core score of 3,396, reflecting the processing capability of the Intel Core i5-13420H. The GPU achieves a PassMark G3D score of 9,278, representing the graphics rendering performance of the Nvidia GeForce RTX 3050.

Connectivity:

USB 3.2 Gen 2 ports (USB-C) 2
USB 3.2 Gen 2 ports (USB-A) 2
USB 4 20Gbps ports 0
USB 4 40Gbps ports 0
Thunderbolt 4 ports 0
USB 3.2 Gen 1 ports (USB-C) 0
USB 3.2 Gen 1 ports (USB-A) 0
Thunderbolt 3 ports 0
has an HDMI output
Has USB Type-C
supports Wi-Fi
Wi-Fi version Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
has an external memory slot
Bluetooth version 5.3
RJ45 ports 1
HDMI ports 1
HDMI version HDMI 2.1
DisplayPort outputs 0
has AirPlay
mini DisplayPort outputs 0
has a VGA connector

The laptop offers a well-rounded port selection, including two USB 3.2 Gen 2 Type-C and two USB 3.2 Gen 2 Type-A ports, while Thunderbolt 3, Thunderbolt 4, USB 4, DisplayPort, mini DisplayPort, and VGA outputs are absent. A single HDMI 2.1 port handles video output, and one RJ45 port provides wired network connectivity. Wireless options cover Wi-Fi 6E (802.11ax) along with Wi-Fi 6, Wi-Fi 5, and Wi-Fi 4, complemented by Bluetooth 5.3. An external memory slot is present, and AirPlay is supported.

Battery:

battery size 80 Wh
Has sleep-and-charge USB ports
Has a MagSafe power adapter

The laptop is fitted with an 80 Wh battery and supports sleep-and-charge functionality, allowing connected USB devices to be charged even when the system is powered off or in sleep mode. A MagSafe power adapter is not included.

Features:

has stereo speakers
has a socket for a 3.5 mm audio jack
supports ray tracing
supports DLSS
has Dolby Atmos
Stylus included
Has a fingerprint scanner
number of microphones 2
Uses 3D facial recognition
has voice commands
has a front camera
Has S/PDIF Out port
has a gyroscope
has GPS
has an accelerometer
has a compass
Has an optical disc drive

Audio output is handled by stereo speakers with a 3.5 mm headset jack available, while two built-in microphones cover voice capture; Dolby Atmos and S/PDIF output are not included. The laptop has a front camera but lacks a fingerprint scanner, 3D facial recognition, and voice command support. On the graphics side, the GPU supports both ray tracing and DLSS, adding hardware-accelerated rendering options for compatible applications. Sensor-wise, there is no gyroscope, accelerometer, compass, or GPS, and no stylus is included in the box. An optical disc drive is also absent.

Miscellaneous:

clock multiplier 21
has LHR
Supports ECC memory
Has Double Precision Floating Point (DPFP)
Has air-water cooling
Thermal Design Power (TDP) 75W
Supports 3D
OpenCL version 3
OpenGL version 4.6
memory bus width 128-bit
effective memory speed 12000 MHz
maximum memory bandwidth 192 GB/s
render output units (ROPs) 40
texture mapping units (TMUs) 64
shading units 2048
GPU memory speed 1500 MHz
AMD SAM / Intel Resizable BAR Intel Resizable BAR
GPU architecture Ampere
GPU name Iris Xe Graphics 80EU
Type Laptop
Has an unlocked multiplier
L2 cache 8 MB
L3 cache 12 MB
Has NX bit
CPU temperature 100 °C
GPU execution units 48
Has integrated graphics
memory channels 2
Uses big.LITTLE technology
instruction sets SSE 4.2, SSE 4.1, AVX, AES, FMA3, F16C, MMX
RAM speed (max) 5200 MHz

The CPU carries a clock multiplier of 21, a maximum operating temperature of 100 °C, and a TDP of 75W, with the multiplier locked; it supports big.LITTLE technology, ECC memory, Double Precision Floating Point, and NX bit, while utilizing two memory channels and a maximum RAM speed of 5,200 MHz. The processor also includes integrated Iris Xe Graphics with 48 execution units, alongside the dedicated Ampere-architecture GPU, which features 2,048 shading units, 64 texture mapping units, 40 ROPs, a 128-bit memory bus, and a maximum memory bandwidth of 192 GB/s at an effective memory speed of 12,000 MHz. Intel Resizable BAR is supported, LHR is not present, and air-water cooling is not used. On the software side, the GPU supports OpenCL 3, OpenGL 4.6, and stereoscopic 3D. The CPU instruction sets include SSE 4.1, SSE 4.2, AVX, AES, FMA3, F16C, and MMX, with an L2 cache of 8 MB and an L3 cache of 12 MB.

Final Verdict

The Lenovo Legion Slim 5 16IRH8 presents itself as a well-rounded entry point into gaming laptops, combining a 144Hz IPS display, DDR5 memory, and support for ray tracing and DLSS within a 19 mm profile that is relatively restrained for its category. Its connectivity suite, Wi-Fi 6E support, and NVMe storage make it a practical daily driver for users who balance gaming with productivity. That said, the 4GB VRAM ceiling, 128-bit memory bus, 300-nit display, and notable weight are real constraints that define a ceiling on its ambitions. For users whose workloads stay within those boundaries, the Legion Slim 5 16IRH8 delivers a coherent and capable package — but those pushing toward demanding titles at high settings or requiring professional-grade external connectivity will quickly encounter its limits.