Lenovo Legion Slim 5 16APH8 16" AMD Ryzen 7 7840HS 3.8GHz / Nvidia GeForce RTX 4070 Laptop / 32GB RAM / 1TB SSD specifications and in-depth review

Lenovo Legion Slim 5 16APH8 16" AMD Ryzen 7 7840HS 3.8GHz / Nvidia GeForce RTX 4070 Laptop / 32GB RAM / 1TB SSD

Manufacturer: Lenovo

The Lenovo Legion Slim 5 16APH8 is a 16″ gaming laptop built around AMD's Ryzen 7 7840HS processor and Nvidia's GeForce RTX 4070 Laptop GPU. Weighing 2,400 g and measuring just 19 mm thick, it occupies a relatively compact footprint for its class, with a chassis volume of 1,773.46 cm³. The machine ships with 32GB of DDR5 RAM running at 5,600 MHz, paired with a 1TB NVMe SSD, and carries a two-year warranty.

The 16″ IPS LCD panel delivers a 2560 x 1600 resolution at 141 ppi, a 144Hz refresh rate, and a typical brightness of 300 nits, complemented by an anti-reflection coating and support for up to four simultaneous displays via HDMI 2.1 and two USB 3.2 Gen 2 Type-C ports. On the GPU side, 8GB of GDDR6X video memory sits on a 128-bit bus with a maximum bandwidth of 256 GB/s, while the Ada Lovelace architecture enables DirectX 12 Ultimate, ray tracing, DLSS, and a floating-point throughput of 20.04 TFLOPS. Connectivity is rounded out by Wi-Fi 6E, Bluetooth 5.3, an RJ45 port, and an 80 Wh battery with sleep-and-charge USB support.

Pros
  • The 16-inch IPS display runs at 2560x1600 resolution with a 144Hz refresh rate and an anti-reflection coating, making it well-suited for both gaming and detailed visual work
  • 32GB of DDR5 RAM at 5,600 MHz paired with a 1TB NVMe PCIe 4.0 SSD provides fast system memory and responsive storage access
  • The RTX 4070 Laptop GPU supports ray tracing and DLSS, with 20.04 TFLOPS of floating-point performance and 8GB of GDDR6X VRAM
  • At 19mm thick and 2,400g, the chassis is relatively slim for a gaming laptop with this level of GPU hardware
  • Wi-Fi 6E support alongside Bluetooth 5.3 and a wired RJ45 port gives flexible networking options
  • The two-year warranty period offers a longer coverage window than the typical single-year standard for many laptop categories
Cons
  • The display brightness is rated at only 300 nits, which may limit visibility in bright ambient lighting conditions
  • There are no Thunderbolt 3 or Thunderbolt 4 ports, and no USB 4 ports of any speed tier, restricting high-bandwidth peripheral and external GPU options
  • No fingerprint scanner or 3D facial recognition is included, leaving the device without hardware-based biometric login
  • The maximum supported RAM is capped at 32GB, offering no headroom for future memory upgrades beyond the current configuration
  • The battery capacity of 80 Wh is modest for a gaming laptop of this specification level, particularly given the 115W CPU TDP
Who is this for?

This laptop is a strong fit for users who regularly engage in PC gaming at high resolutions, given the RTX 4070 Laptop GPU with ray tracing and DLSS support, 20.04 TFLOPS of floating-point performance, and a 2560x1600 IPS display running at 144Hz. The 32GB of DDR5 RAM and a 1TB NVMe PCIe 4.0 SSD also make it a capable machine for content creators and developers who need fast memory throughput and responsive storage for demanding workloads. Its relatively slim 19mm profile and Wi-Fi 6E connectivity suit users who want a capable desktop-replacement machine they can move between locations without carrying an overly bulky device.

Who is this NOT for?

Users who need Thunderbolt or USB 4 connectivity for high-speed external storage, docking stations, or external GPU enclosures will find this laptop limiting, as none of those port types are present. The 300-nit display brightness makes it a poor choice for anyone who frequently works in brightly lit or outdoor environments, where screen visibility would be noticeably compromised. Additionally, users who rely on biometric authentication — such as fingerprint or facial recognition — for fast and secure logins will find the absence of those features a practical drawback in professional or shared-workspace settings.

Design:

Type Gaming
weight 2400 g
Uses a fanless design
Has a backlit keyboard
warranty period 2 years
volume 1773.46 cm³
width 359 mm
height 260 mm
thickness 19 mm
is weather-sealed (splashproof)

The Lenovo Legion Slim 5 16APH8 is a gaming laptop with a 19 mm thin profile and dimensions of 359 mm wide by 260 mm deep, resulting in a total volume of 1,773.46 cm³. It weighs 2,400 g and features an active cooling design rather than a fanless setup. The keyboard includes backlighting, and the laptop is covered by a two-year warranty. It is not weather-sealed or splashproof.

Display:

screen size 16"
resolution 2560 x 1600 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, delivering a 2560 x 1600 resolution at a pixel density of 141 ppi. It has a 144Hz refresh rate, making it well-suited for fast-paced content, and a typical brightness of 300 nits. An anti-reflection coating is included, though the display does not support touch input. The system can drive up to four simultaneous displays in total.

Performance:

RAM 32GB
RAM speed 5600 MHz
Uses flash storage
internal storage 1024GB
CPU speed 8 x 3.8 GHz
CPU threads 16 threads
VRAM 8GB
floating-point performance 20.04 TFLOPS
GDDR version GDDR6X
texture rate 313.2 GTexels/s
pixel rate 104.4 GPixel/s
Is an NVMe SSD
DirectX version DirectX 12 Ultimate
GPU clock speed 1230 MHz
uses multithreading
maximum memory amount 32GB
DDR memory version 5
turbo clock speed 5.1GHz
GPU turbo 2175 MHz
memory slots 2
PCI Express (PCIe) version 4
semiconductor size 4 nm
has XeSS (XMX)
Supports 64-bit

The system is powered by an 8-core, 16-thread CPU built on a 4 nm process, running at a base clock of 8 x 3.8 GHz with a turbo frequency of 5.1 GHz, and supports 64-bit processing along with multithreading. It comes with 32GB of DDR5 RAM at 5,600 MHz across two memory slots, with 32GB being the maximum supported capacity. Storage is handled by a 1,024GB NVMe SSD using PCIe 4.0. On the graphics side, the GPU carries 8GB of GDDR6X VRAM, runs at a base clock of 1,230 MHz with a turbo of 2,175 MHz, and delivers 20.04 TFLOPS of floating-point performance, a texture rate of 313.2 GTexels/s, and a pixel rate of 104.4 GPixel/s. It supports DirectX 12 Ultimate but does not include XeSS (XMX).

Benchmarks:

Geekbench 6 result (multi) 10994
Geekbench 6 result (single) 2357
PassMark (G3D) result 19574
PassMark result 28616
PassMark result (single) 3750

In CPU benchmarks, the laptop scores 2,357 in Geekbench 6 single-core and 10,994 in Geekbench 6 multi-core, reflecting the multi-threaded capability of its processor. The overall PassMark result stands at 28,616, with a single-core PassMark score of 3,750. GPU performance is represented by a PassMark G3D score of 19,574.

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 provides a solid range of wired and wireless connectivity options. On the USB front, it includes two USB 3.2 Gen 2 Type-C ports and two USB 3.2 Gen 2 Type-A ports, while there are no USB 4, Thunderbolt 3, or Thunderbolt 4 ports present. Video output is handled by a single HDMI 2.1 port, with no DisplayPort or VGA connectors available. Wired networking is supported via one RJ45 port, and wireless connectivity covers Wi-Fi 6E (802.11ax) as well as Wi-Fi 6, Wi-Fi 5, and Wi-Fi 4, alongside Bluetooth 5.3. The laptop also includes an external memory slot and supports AirPlay.

Battery:

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

The laptop is equipped with an 80 Wh battery and supports sleep-and-charge via its USB ports, allowing connected devices to be charged even when the laptop is not in active use. It does not use a MagSafe power adapter.

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

The laptop includes stereo speakers, a 3.5 mm headset jack, two built-in microphones, and a front-facing camera, though it does not support Dolby Atmos or offer an S/PDIF output. On the graphics side, it supports both ray tracing and DLSS, while biometric security features such as a fingerprint scanner and 3D facial recognition are absent. No stylus is included, and the device lacks voice commands, GPS, gyroscope, accelerometer, compass, and an optical disc drive.

Miscellaneous:

clock multiplier 38
PassMark (DirectCompute) result 8162
number of transistors 22900 million
has LHR
Thermal Design Power (TDP) 115W
Supports 3D
Supports multi-display technology
OpenCL version 3
OpenGL version 4.6
Supports ECC memory
memory bus width 128-bit
effective memory speed 16000 MHz
maximum memory bandwidth 256 GB/s
render output units (ROPs) 48
texture mapping units (TMUs) 144
shading units 4608
Has Double Precision Floating Point (DPFP)
GPU memory speed 2000 MHz
GPU architecture Ada Lovelace
GPU name Radeon 780M
Uses big.LITTLE technology
Type Laptop
instruction sets MMX, SSE 4.1, SSE 4.2, AVX, AVX2, AES, F16C, FMA3
Has an unlocked multiplier
Has NX bit
GPU execution units 12
Has integrated graphics
memory channels 2
L3 core 2 MB/core
L3 cache 16 MB
L2 core 1 MB/core
L2 cache 8 MB
L1 cache 512 KB
CPU temperature 100 °C
RAM speed (max) 7500 MHz

The GPU is based on the Ada Lovelace architecture and features 4,608 shading units, 144 texture mapping units, 48 render output units, and 12 execution units, with a memory bus width of 128-bit, a GPU memory speed of 2,000 MHz, an effective memory speed of 16,000 MHz, and a maximum memory bandwidth of 256 GB/s. It supports stereoscopic 3D, multi-display output, double precision floating point, OpenCL 3, OpenGL 4.6, and carries a PassMark DirectCompute score of 8,162, while LHR is not present. The integrated graphics (Radeon 780M) accompanies the discrete GPU, and the CPU has a TDP of 115W, a clock multiplier of 38, a maximum operating temperature of 100 °C, and supports instruction sets including MMX, SSE 4.1, SSE 4.2, AVX, AVX2, AES, F16C, and FMA3, though it does not use big.LITTLE technology and has a locked multiplier. Cache configuration consists of 512 KB L1, 8 MB L2 (1 MB/core), and 16 MB L3 (2 MB/core), with two memory channels, ECC memory support, and a maximum RAM speed of 7,500 MHz. The chip contains 22,900 million transistors and includes NX bit support.

Final Verdict

The Lenovo Legion Slim 5 16APH8 presents a coherent package for users seeking a capable gaming and productivity machine in a relatively portable form factor. Its RTX 4070 Laptop GPU with ray tracing and DLSS support, combined with 32GB of DDR5 RAM and a fast NVMe SSD, gives it genuine muscle for demanding workloads and high-resolution gaming on its 144Hz IPS display. The absence of Thunderbolt or USB 4 ports and the modest 300-nit display brightness are real constraints that narrow its appeal for certain professional workflows and outdoor use, but for its intended audience — gamers and creators who want desktop-level capability in a 19mm chassis — it delivers a well-rounded and technically solid platform.