Razer Blade 18 (2025) 18" (Ultra 9 275HX / RTX 5090 Laptop / 32GB RAM / 2TB) specifications and in-depth review

Razer Blade 18 (2025) 18" (Ultra 9 275HX / RTX 5090 Laptop / 32GB RAM / 2TB)

Manufacturer: Razer

The Razer Blade 18 (2025) is an 18″ gaming laptop built around Intel's Ultra 9 275HX processor and NVIDIA's RTX 5090 mobile GPU. Weighing 3100 g with a footprint of 399 mm wide and 27 mm thin, it balances a large-format chassis with a relatively contained profile for its class. The machine ships with 32GB of DDR5 RAM running at 5600 MHz, paired with a 2TB NVMe SSD, and supports up to 192GB of memory across its two channels — leaving meaningful room for future upgrades.

The display measures 18″ with a resolution of 3840 x 2400 px at 251 ppi, using an IPS LED-backlit LCD panel with a 240Hz refresh rate. The RTX 5090 GPU is based on NVIDIA's Blackwell architecture, offering 10496 shading units, 24GB of GDDR7 video memory on a 256-bit bus, and a peak bandwidth of 811.5 GB/s, with floating-point performance rated at 31.8 TFLOPS. Connectivity includes two USB 4 40Gbps ports, one Thunderbolt 4 port, three USB 3.2 Gen 2 Type-A ports, HDMI 2.1, an RJ45 jack, and Wi-Fi 7 support alongside Bluetooth 5.4. A 5MP front camera with 3D facial recognition, a single microphone, and stereo speakers round out the feature set.

Pros
  • The 3840 x 2400 px IPS display with a 240Hz refresh rate combines high resolution with fast panel response in a single screen
  • Two USB 4 40Gbps ports alongside a Thunderbolt 4 port provide fast, versatile high-bandwidth connectivity options
  • Wi-Fi 7 support ensures access to the latest wireless networking standard alongside full backward compatibility
  • The GPU delivers 31.8 TFLOPS of floating-point performance with 24GB of GDDR7 VRAM on a 256-bit bus at 811.5 GB/s memory bandwidth
  • RAM is expandable up to 192GB across two DDR5 channels, with the current 32GB running at 5600 MHz
  • 3D facial recognition is available for hands-free authentication without relying on a fingerprint scanner
Cons
  • At 3100 g, the chassis is notably heavy for regular transport
  • No anti-reflection coating on the display may cause visibility issues in bright or mixed lighting conditions
  • Only a single microphone is included, which limits audio capture quality for calls or recordings
  • There is no DisplayPort output, restricting video output options to a single HDMI 2.1 port for external monitors
  • The laptop is not weather-sealed or ruggedized, making it vulnerable to accidental liquid exposure
  • No Dolby Atmos support means the stereo speaker setup lacks that audio processing layer
Who is this for?

This machine is well suited to users who need sustained, demanding GPU workloads at a desktop-replacement scale — particularly those working in 3D rendering, real-time ray tracing, or GPU-accelerated content creation, where the Blackwell GPU's 31.8 TFLOPS, 24GB of GDDR7 VRAM, and 811.5 GB/s memory bandwidth provide substantial headroom. The 3840 x 2400 px IPS panel at 240Hz also makes it a strong fit for users who want both visual fidelity and fast refresh in the same display, such as those who switch between creative work and high-framerate gaming. The expandable memory support up to 192GB across DDR5 channels, combined with a 2TB NVMe SSD and 24 CPU threads, further suits workflows that involve large datasets, simulation, or heavy multitasking across multiple demanding applications.

Who is this NOT for?

Users who prioritize portability and daily commuting will find the 3100 g weight and 27 mm thickness a meaningful burden, as the chassis is built for performance headroom rather than ease of transport. Those working frequently in bright or variable lighting environments may be frustrated by the absence of an anti-reflection coating on the display, which can reduce usability in sunlit or mixed-light settings. Additionally, users who rely on multi-monitor setups via DisplayPort will find the single HDMI 2.1 output limiting, and anyone requiring a weatherproof or rugged build for field or outdoor use will find the machine unsuitable given its lack of any weather sealing or ruggedized construction.

Design:

Type Gaming
weight 3100 g
Uses a fanless design
Has a backlit keyboard
volume 2962.575 cm³
width 399 mm
height 275 mm
thickness 27 mm
is weather-sealed (splashproof)
has a rugged build

The Razer Blade 18 (2025) is a gaming laptop with a physical footprint of 399 mm wide, 275 mm deep, and 27 mm thick, giving it a total volume of 2962.575 cm³. It weighs 3100 g and features a backlit keyboard, while the design does not incorporate a fanless setup, a rugged build, or weather sealing.

Display:

screen size 18"
resolution 3840 x 2400 px
pixel density 251 ppi
Display type LCD, LED-backlit, IPS
has a touch screen
refresh rate 240Hz
has anti-reflection coating
supported displays 4

The Razer Blade 18 (2025) features an 18″ IPS LCD panel with LED backlighting, delivering a 3840 x 2400 px resolution at a pixel density of 251 ppi. It runs at a 240Hz refresh rate, and the GPU supports up to four simultaneous displays. The screen does not include touch input or an anti-reflection coating.

Performance:

RAM 32GB
RAM speed 5600 MHz
Uses flash storage
internal storage 2048GB
CPU speed 8 x 2.7 & 16 x 2.1 GHz
CPU threads 24 threads
VRAM 24GB
floating-point performance 31.8 TFLOPS
GDDR version GDDR7
texture rate 496.9 GTexels/s
pixel rate 193.9 GPixel/s
Is an NVMe SSD
DirectX version DirectX 12 Ultimate
GPU clock speed 990 MHz
uses multithreading
maximum memory amount 192GB
DDR memory version 5
turbo clock speed 5.4GHz
GPU turbo 1515 MHz
PCI Express (PCIe) version 4
semiconductor size 4 nm
has XeSS (XMX)
SSD storage capacity 2048GB
Supports 64-bit

The Razer Blade 18 (2025) is equipped with 32GB of DDR5 RAM running at 5600 MHz, expandable up to 192GB, alongside a 2048GB NVMe SSD using flash storage and connected via PCIe 4. The CPU runs at 8 cores at 2.7 GHz and 16 cores at 2.1 GHz across 24 threads, with a turbo clock reaching 5.4 GHz, and is built on a 4 nm process with multithreading and 64-bit support. On the graphics side, the GPU carries 24GB of GDDR7 VRAM, clocks at 990 MHz with a boost up to 1515 MHz, and delivers 31.8 TFLOPS of floating-point performance alongside a texture rate of 496.9 GTexels/s, a pixel rate of 193.9 GPixel/s, and support for DirectX 12 Ultimate — though XeSS (XMX) is not supported.

Benchmarks:

PassMark result 56426
PassMark result (single) 4723

In CPU benchmarking, the Razer Blade 18 (2025) records a PassMark multi-core score of 56426 and a single-core score of 4723, reflecting the processing throughput available from its Intel Ultra 9 275HX configuration.

Connectivity:

USB 3.2 Gen 2 ports (USB-C) 0
USB 3.2 Gen 2 ports (USB-A) 3
USB 4 20Gbps ports 0
USB 4 40Gbps ports 2
Thunderbolt 4 ports 1
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 7 (802.11be), 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 5.4
RJ45 ports 1
HDMI ports 1
HDMI version HDMI 2.1
DisplayPort outputs 0
USB 2.0 ports 0
has AirPlay
mini DisplayPort outputs 0
has a VGA connector

The Razer Blade 18 (2025) offers a well-stocked port selection, including three USB 3.2 Gen 2 Type-A ports, two USB 4 40Gbps ports, and one Thunderbolt 4 port, while USB 3.2 Gen 1, USB 2.0, and Thunderbolt 3 are absent. Video output is handled by a single HDMI 2.1 port, with no DisplayPort, mini DisplayPort, or VGA connector present. An RJ45 port provides wired networking, and wireless connectivity covers Wi-Fi 7 down through Wi-Fi 4, paired with Bluetooth 5.4. The laptop also includes an external memory slot, USB Type-C connectivity, and AirPlay support.

Battery:

Has sleep-and-charge USB ports
Has a MagSafe power adapter

The Razer Blade 18 (2025) includes sleep-and-charge USB ports, allowing connected devices to be charged even when the laptop is powered off or in sleep mode. It does not use a MagSafe power adapter.

Features:

has stereo speakers
has a socket for a 3.5 mm audio jack
megapixels (front camera) 5MP
supports ray tracing
supports DLSS
has Dolby Atmos
Stylus included
Has a fingerprint scanner
number of microphones 1
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 Razer Blade 18 (2025) includes stereo speakers, a 3.5 mm headset jack, and a single microphone for audio, though Dolby Atmos and S/PDIF output are not supported. A 5MP front camera is present with 3D facial recognition for authentication, while a fingerprint scanner is not included. The GPU supports both ray tracing and DLSS, adding to the machine's rendering capabilities. Motion sensors such as a gyroscope, accelerometer, and compass are absent, as are GPS, voice commands, a stylus, and an optical disc drive.

Miscellaneous:

clock multiplier 27
AMD SAM / Intel Resizable BAR Intel Resizable BAR
GPU architecture Blackwell
has LHR
Thermal Design Power (TDP) 95W
Supports 3D
Supports multi-display technology
OpenCL version 3
OpenGL version 4.6
Supports ECC memory
memory bus width 256-bit
effective memory speed 25400 MHz
maximum memory bandwidth 811.5 GB/s
render output units (ROPs) 128
texture mapping units (TMUs) 328
shading units 10496
Has Double Precision Floating Point (DPFP)
GPU memory speed 2000 MHz
Type Laptop
CPU socket BGA 2114
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has an unlocked multiplier
L3 cache 36 MB
L2 cache 40 MB
Has NX bit
Turbo Boost version 2
CPU temperature 105 °C
Has integrated graphics
memory channels 2
RAM speed (max) 6400 MHz
Uses big.LITTLE technology

The Razer Blade 18 (2025) uses a laptop-socket CPU (BGA 2114) with a clock multiplier of 27, an unlocked multiplier, Turbo Boost version 2, a maximum operating temperature of 105 °C, a TDP of 95W, and big.LITTLE technology for mixed-core operation. It carries 36 MB of L3 cache and 40 MB of L2 cache, supports ECC memory across two channels with a maximum RAM speed of 6400 MHz, and includes integrated graphics alongside the discrete GPU. The supported instruction sets include MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, with NX bit also present. On the graphics side, the Blackwell-architecture GPU features 10496 shading units, 328 texture mapping units, 128 ROPs, a 256-bit memory bus, an effective memory speed of 25400 MHz, and maximum memory bandwidth of 811.5 GB/s, with support for Double Precision Floating Point, stereoscopic 3D, multi-display output, OpenCL 3, OpenGL 4.6, and Intel Resizable BAR. LHR is not present.

Final Verdict

The Razer Blade 18 (2025) is a desktop-replacement gaming laptop built without compromise on raw throughput, anchored by a Blackwell-architecture GPU with 24GB of GDDR7 VRAM and 811.5 GB/s of memory bandwidth alongside a high-resolution 240Hz display that serves both demanding creative workflows and high-framerate gaming in equal measure. Its 3100 g chassis and lack of weather sealing make it a poor fit for users who need a machine that travels light or survives unpredictable environments, but for those who work primarily from a fixed location and require sustained GPU and CPU performance at scale, the Razer Blade 18 (2025) delivers a specification set that leaves very little headroom unexplored.