Asus ROG Strix G18 2025 G815 vs Razer Blade 18 2024 Comparison

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Asus ROG Strix G18 2025 G815

18 inches | January 2025

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18 inches | January 2024

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Asus ROG Strix G18 2025 G815 vs Razer Blade 18 2024 Comparison Overview

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Razer Blade 18 2024

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In this review, we will be comparing ROG Strix G18 2025 G815 and Blade 18 2024, two laptops from Asus and Razer. Asus ROG Strix G18 2025 G815 was introduced to market in January 2025 and Razer Blade 18 2024 was launched in January 2024. There is 12 months difference between ROG Strix G18 2025 G815 and Blade 18 2024 so it would still give an advantage to younger ROG Strix G18 2025 G815.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Asus ROG Strix G18 2025 G815 and Razer Blade 18 2024 before getting into our more detailed comparison.

Asus ROG Strix G18 2025 G815 Key Specs

Launched in January 2025
18.0" IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core Ultra 9 275HX
GPU: GeForce RTX 5070 Laptop 8GB
16GB Ram
399 x 298 x 23.5-32 mm (15.71 x 11.73 x 0.93-1.26 inches)
Weight: 3.42 kg (7.54 lbs)

Razer Blade 18 2024 Key Specs

Launched in January 2024
18.0" Mini LED, 16:10 Aspect Ratio Display
CPU: Intel Core i9 14900HX
GPU: GeForce RTX 4070 Mobile 8GB
16GB Ram
399.9 x 275.4 x 21.9 mm (15.74 x 10.84 x 0.86 inches)
Weight: 3.1 kg (6.84 lbs)

Let's read on the following sections in order to better understand in detail how ROG Strix G18 2025 G815 and Blade 18 2024 compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Asus ROG Strix G18 2025 G815 over Razer Blade 18 2024

Side Bezel Thickness	5.7 mm vs 6.1 mm	0.4 mm thinner bezels
CPU Fabrication Process	3 nm vs 10 nm	Newer Generation CPU
GPU FLOPS	23.2 TFLOPS vs 21.3 TFLOPS	3D Surround Sound Support
Dolby Atmos Speakers	Yes vs No	Fast way to input numbers
Numeric Pad	Yes vs No

Reasons to choose Razer Blade 18 2024 over Asus ROG Strix G18 2025 G815

Weight	3.10 kg vs 3.42 kg	0.32 kg lighter
Screen-to-Body Ratio	~85.3% vs ~79%	Larger screen area ratio
Refresh Rate	300 Hz vs 240 Hz	Smoother media experience
Max Brightness	1000 nits vs 500 nits	Brighter Screen
Webcam Resolution	2560 x 1440 vs 1920 x 1080	Higher Resolution Camera
SD Card Reader	Yes vs No	Read & Write SD Cards with the built-in reader

Common Strengths of Razer Blade 18 2024 and Asus ROG Strix G18 2025 G815

Launch Dates	January 2025 vs January 2024	Both laptops are recent models
Screen Coating	Matte vs Matte	Less reflections on the screen
HDR Support	Yes, Dolby Vision vs Yes, HDR10	Watch HDR Clips
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
Upgradable RAM	Yes vs Yes	Option to increase the RAM size
RAM Type	PCI-E Gen 4.0 (4x) vs PCI-E Gen 4.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Thunderbolt Port	v5 vs v5	Fast data and power transfer via Thunderbolt Port
HDMI Output	1x HDMI 2.1 vs 1x HDMI 2.1	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Ethernet RJ45 Port	Yes vs Yes	Fast connection to Network via ethernet cable
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of Razer Blade 18 2024 and Asus ROG Strix G18 2025 G815

Touchscreen Capability	No vs No	No Touchscreen Capability
Fingerprint Sensor	No vs No	No fingerprint login feature

Asus ROG Strix G18 2025 G815 vs Razer Blade 18 2024: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Asus ROG Strix G18 2025 G815 and the Razer Blade 18 2024.

Physical Specs
Weight	3.42 kg (7.54 lbs)	3.1 kg (6.84 lbs)
Surface Area	1189 cm2 (184.3 inches2)	1101 cm2 (170.6 inches2)
Screen to Surface Ratio	~79%	~85.3%
Side Bezel Thickness	~5.7 mm	~6.1 mm
Weight per Inch of Screen	0.19 kg/inch	0.17 kg/inch
	0.418 lbs/inch	0.374 lbs/inch
Colors	Black	Black, Silver

Comparison of the Asus ROG Strix G18 2025 G815 and the Razer Blade 18 2024 External Dimensions

Weight

ROG Strix G18 2025 G815 weighs 3.42 kg (7.54 lbs), whereas the Blade 18 2024 weighs 3.1 kg (6.84 lbs). There is a notable difference in weight between these two laptops. The weight difference between the two laptops is not significant.

Weight Comparison

Displays size larger than 17.0 inches

Asus ROG Strix G18 2025 G815 3.42 kg

Razer Blade 18 2024 3.10 kg

Min 1.29 kg

Average 2.74 kg

Max 4.23 kg

Thickness Comparison

Displays size larger than 17.0 inches

Asus ROG Strix G18 2025 G815 32.00 mm

Razer Blade 18 2024 21.90 mm

Min 8.60 mm

Average 24.26 mm

Max 38.00 mm

Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the Asus ROG Strix G18 2025 G815 is 0.19 kg/inch.In comparison, this value for the Razer Blade 18 2024 is 0.17 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch
LG Gram 14 2-in-1 2022: 0.07 kg/inch

Asus ROG Strix G18 2025 G815 vs Razer Blade 18 2024: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core Ultra 9 275HX	Intel Core i9 14900HX
Base Frequency	2.7 GHz	2.2 GHz
Turbo Frequency	5.4 GHz	5.8 GHz
Number of Cores	Arc Graphics (4-	24 (8P + 16E)
Number of Threads	24	32
L3 Cache	36 MB	36 MB
Integrated GPU	Arc Graphics (4-Cores)	Intel UHD Graphics (32EU)
CPU Fabrication Process	3 nm	10 nm

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the Asus ROG Strix G18 2025 G815 and Razer Blade 18 2024.

You may also read reviews of latest laptops with the same CPUs and compare them:

Laptops with: Intel Core Ultra 9 275HX

Laptops with: Intel Core i9 14900HX

GPU Comparison

GPU Model	GeForce RTX 5070 Laptop 8GB GeForce RTX 5070 Ti Laptop 12GB GeForce RTX 5080 Laptop 16GB	GeForce RTX 4070 Mobile 8GB GeForce RTX 4080 Mobile 12GB GeForce RTX 4090 Mobile 16GB
Base Clock Frequency	2235 MHz	1395 MHz
Boost CLock Frequency	2520 MHz	1695 MHz
TGP (Total Graphics Power)	175 W	115 W
Nvidia Optimus	MUX	MUX
Type	Dedicated	Dedicated
FLOPS	23.2 TFLOPS	15.62 TFLOPS
Memory Size	8 GB	8 GB
Memory Type	GDDR7	GDDR6
Memory Bus	128 bit	128 bit
Memory Speed	~25.4 Gbps	2000 MHz 16 Gbps effective
Shading Units Cores	4608	4608
TMUs	144	144
ROPs	72	48

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. Asus ROG Strix G18 2025 G815 has a FLOPS value of 23.2 TFLOPS whereas the Razer Blade 18 2024 ' has a FLOPS value of 21.3 TFLOPS. If graphical performance of the laptop is important for your use type, the Asus ROG Strix G18 2025 G815 may be the better choice between these two setups.

RAM Comparison

RAM	16GB 32GB 64GB	16GB 32GB 64GB
Memory Bus	2x8 GB	2x8 GB
RAM Clock	5600 MHz	5600 MHz
RAM Type	DDR5	DDR5
Upgradable	Yes	Yes
Max RAM Size	64 GB	64 GB
Total Slots	2	2
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 4.0 (4x)

Both laptops, the ROG Strix G18 2025 G815 and the Blade 18 2024, come with similar RAM capacities of 16 GB, providing comparable performance in memory-intensive tasks.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	Asus ROG Strix G18 (2025) G815	Razer Blade 18 (2024)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✔ Run smoothly.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✔ Good performance.	✔ Good performance.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	90 Wh	91.7 Wh
Battery Type	Li-Ion	Li-Po
Replaceable	No	No
Fast Charging	Yes	Yes
Charging Port Position	Left	Left
Charge Power	280 / 380 W	330 W

On the other hand, the Blade 18 2024 features a higher battery capacity of 92 Wh, delivering longer usage time compared to the ROG Strix G18 2025 G815's 90 Wh.

Battery Comparison

Displays size larger than 17.0 inches

Asus ROG Strix G18 2025 G815 90 Wh

Razer Blade 18 2024 92 Wh

Min 37.00 Wh

Average 76.88 Wh

Max 100.00 Wh

STORAGE
Both laptops, the ROG Strix G18 2025 G815 and the Blade 18 2024 have similar max. storage capacities of 4 TB, allowing for ample space to store files and applications.

Storage Options	1 TB, 2 TB, 4 TB	1 TB, 2 TB, 4 TB
Upgradable	Yes	Yes
Total Slots	2	2
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

Asus ROG Strix G18 2025 G815 vs Razer Blade 18 2024: Display Comparison

The display is an essential aspect to consider when comparing the Asus ROG Strix G18 2025 G815 and Razer Blade 18 2024 since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. Both ROG Strix G18 2025 G815 and Blade 18 2024 screens have the same size of 18.0".The total usable screen area of the ROG Strix G18 2025 G815 is 939cm² / 146inch² whereas the Blade 18 2024's total usable screen area is 939cm² / 146inch².

PPI (Pixels per Inch)
Both ROG Strix G18 2025 G815 and Blade 18 2024 feature the same pixel density with 168 pixels per inch (PPI).

Screen PPI (Pixels Per Inch) Comparison

Displays size larger than 17.0 inches

Asus ROG Strix G18 2025 G815 168 ppi

Razer Blade 18 2024 168 ppi

Min 106 PPI

Average 141 PPI

Max 266.00 PPI

Refresh Rate
The Blade 18 2024 offers a higher refresh rate of 300 Hz, resulting in smoother motion and improved visual experience.

Both ROG Strix G18 2025 G815 and Blade 18 2024 boast the same response time of 3.0 ms.

Brightness
The Blade 18 2024 offers a higher maximum brightness of 1000 nits, delivering a brighter screen.

Brightness Comparison

Displays size larger than 17.0 inches

Asus ROG Strix G18 2025 G815 500 nits

Razer Blade 18 2024 1000 nits

Min

200 nits

Average 368 nits

Max 1200.00 nits

Asus ROG Strix G18 2025 G815 vs Razer Blade 18 2024 Connectivity Comparison

In terms of connectivity,

Wifi
Both ROG Strix G18 2025 G815 and Blade 18 2024 support the latest Wi-Fi standard v7.

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both ROG Strix G18 2025 G815 and Blade 18 2024 feature 3x USB 3.2 USB-A ports.
Both ROG Strix G18 2025 G815 and Blade 18 2024 feature 2x USB 4.0 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Both ROG Strix G18 2025 G815 and Blade 18 2024 are equipped with Thunderbolt 5 ports.

HDMI
Both ROG Strix G18 2025 G815 and Blade 18 2024 feature an HDMI port (1x HDMI 2.1) for connecting to external monitors.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Blade 18 2024 is equipped with an SD Card Reader for easy access to memory cards. ROG Strix G18 2025 G815 does not have an SD Card Reader.

Audio Jack
Both ROG Strix G18 2025 G815 and Blade 18 2024 are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v7	v7
Bluetooth (latest: v5.4)	v5.4	v5.4
USB-A (latest: 3.2)	3x USB 3.2	3x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 4.0	2x USB 4.0
Thunderbolt (latest: 4)	Thunderbolt 5	Thunderbolt 5
HDMI (latest: 2.1)	1x HDMI 2.1	1x HDMI 2.1
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	No
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	Yes	Yes
SD CardReader	No	Yes
Proprietary Charging Port	Yes	Yes