The Lenovo Flex 5 14 is a more affordable, versatile laptop with a touchscreen, suitable for general use and light engineering tasks. It's light and has a longer battery life, making it good for portability. In contrast, the Razer Blade 18 is much more expensive but delivers top-notch performance for 3D rendering, machine learning, and gaming, with a powerful processor and graphics card. It has a larger screen and a higher refresh rate, but it's heavier and has a shorter battery life, which makes it less portable. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Lenovo Flex 5 14
Very good portability
Very good battery life
Advantages of the Razer Blade 18
Very good for general use
Excellent for engineering and design
Very good for gaming and AI
Very good for software development
Very good for content creation
Very good overall display quality
Very good overall build quality
Best in class speakers
Excellent keyboard
Key differences
General Use
7.7/10
8.5/10
1920 x 1200
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
277.0 nits
DISPLAY BRIGHTNESS
524.0 nits
11.5 Hours
BATTERY LIFE
4.0 Hours
7.0/10
KEYBOARD QUALITY SCORE
9.0/10
8.3/10
PORTABILITY SCORE
6.1/10
The Razer Blade 18 is very good for general use, while the Lenovo Flex 5 14 is good.
PerfectRec’s General Use Score takes into account the many different features of the laptop that make it more or less suitable for general productivity, web browsing, streaming, video calls, and running a wide variety of apps and programs.
Gaming and AI
6.2/10
8.9/10
3.6/10
OVERALL GPU SCORE
8.9/10
1920 x 1200
RESOLUTION
2560 x 1600
60Hz
REFRESH RATE
240Hz
No
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
Yes
7.5/10
FAN NOISE SCORE
7.2/10
The Razer Blade 18 is very good for gaming and AI, while the Lenovo Flex 5 14 is only fair.
The Lenovo Flex 5 14, while suitable for general use, is limited in gaming and 3D tasks due to its less powerful GPU and lower screen refresh rate, unlike the Razer Blade 18 which excels with a high-end GPU and superior screen refresh rate, offering smoother and more detailed visuals essential for high-performance gaming and 3D applications. While both have capable CPUs and good screen quality, these components are secondary to the significant advantages the Razer Blade 18's GPU and refresh rate provide for demanding visual tasks.
Engineering and Design
7.0/10
9.3/10
6.9/10
OVERALL CPU SCORE
9.9/10
3.6/10
OVERALL GPU SCORE
8.9/10
16.0 GB
RAM
32.0 GB
The Razer Blade 18 is excellent for engineering and design, while the Lenovo Flex 5 14 is good.
The Lenovo Flex 5 14, with its AMD Ryzen 7 7730U processor and integrated Vega 8 graphics, is designed for portability and flexible use as a 2-in-1 laptop and tablet, at the expense of the higher performance and screen quality found in the Razer Blade 18, which boasts a more powerful Intel i9-13950HX processor, dedicated Nvidia RTX 4070 graphics, and a larger, brighter display suited for demanding engineering tasks. The Razer Blade also offers more RAM, essential for complex design software, but is less portable and likely harder to use on the go given its larger size and weight.
Content Creation
7.6/10
8.6/10
6.9/10
OVERALL CPU SCORE
9.9/10
1920 x 1200
RESOLUTION
2560 x 1600
16.0 GB
RAM
32.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The Razer Blade 18 is very good for content creation, while the Lenovo Flex 5 14 is good.
PerfectRec’s Content Creation Score takes into account the many different features of the laptop that make it more or less suitable for photo editing, video editing and other content creation tasks.
Software Development
7.4/10
8.5/10
6.9/10
OVERALL CPU SCORE
9.9/10
16.0 GB
RAM
32.0 GB
1920 x 1200
RESOLUTION
2560 x 1600
7.0/10
KEYBOARD QUALITY SCORE
9.0/10
The Razer Blade 18 is very good for software development, while the Lenovo Flex 5 14 is good.
PerfectRec’s Software Development Score takes into account the many different features of the laptop that make it more or less suitable for software developers.
Screen Quality
6.4/10
8.9/10
14.0in
SIZE
18.0in
1920 x 1200
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
60Hz
REFRESH RATE
240Hz
277.0 nits
BRIGHTNESS
524.0 nits
The Razer Blade 18 has a better screen than the Lenovo Flex 5 14 for general use, gaming and AI, engineering and design, content creation, and software development.
For general use, the Lenovo Flex 5 14 offers adequate resolution and brightness, but the Razer Blade 18 has better color representation and sharpness, enhancing the overall visual experience. The Razer Blade 18's larger color gamuts are crucial for engineering and design, providing more accurate color reproduction, which the Flex 5 cannot match. However, for gaming and 3D applications, the lower refresh rates on both laptops would be limiting, despite the higher resolution and panel technology of the Razer Blade 18, where fast-paced visuals may not be as smooth as desired.
Battery
11.5 Hours
4.0 Hours
The Lenovo Flex 5 14 has 11.5 hours of battery life. The Razer Blade 18 has 4 hours of battery life.
Battery life estimate is based on a mix of common use patterns. More portable and higher performing laptops tend to have less battery life.
Portability
Very Good
Fair
14.0in
SIZE
18.0in
3.4 lbs
WEIGHT
6.6 lbs
0.7in
THICKNESS
0.8in
The Lenovo Flex 5 14 has very good portability, while the Razer Blade 18 has only fair portability.
The most portable laptops are small, thin, and light.
Build Quality
7.0/10
8.5/10
The Razer Blade 18 has very good build quality, while the Lenovo Flex 5 14 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$950
$10
$0
$200
$400
$600
$800
$1,000
$1,200
$1,400
The Lenovo Flex 5 14 has a price of $950 and the Razer Blade 18 costs $10.
"The highlight of the latest IdeaPad Flex 5 14 is clearly its AMD CPU. The octa-core Ryzen 7 5700U is insanely fast even when compared to the best Tiger Lake Ultrabooks in the market or even Core H CPUs in many gaming laptops. It's a lot of raw processing power for what is supposed to be a budget 14-inch convertible. If your daily workloads can benefit from extra multi-thread CPU performance, then look no further than the inexpensive AMD-powered Lenovo IdeaPad Flex 5 14. For regular on-the-road browsing or video streaming, however, a slimmer and lighter 10th gen Core Yoga, Spectre, or XPS would be a more balanced option."
"Razer made a powerful laptop in the Blade 18, showing off a beautiful and fast display and the same high-quality build we’ve come to expect from this product line. It’s also quite expensive, which is hardly a surprise, but bears repeating even in this price range. It’s pricier than the Scar 18 despite an inferior GPU and half the storage, so you really have to want the Blade 18’s design to justify the cost."
Get a great deal on the Lenovo Flex 5 14 or the Razer Blade 18
About Lenovo
Lenovo is a Chinese technology company, and one of the largest personal computer vendor. They are well known for a variety of technology products, including laptops. Their consumer series include their entry level IdeaPad and LOQ series and mid-to-high-end Yoga and Legion series. On the business-oriented side, their series include their entry-level ThinkBook series and mid-to-high-end ThinkPad series. Lenovo laptops offer strong performance for reasonable prices, and are often on sale.
About Razer
Razer is an American-Singaporean technology company. Razer is best known for their Blade series laptops, well known for their strong performance and sleek design. Although Razer charges a premium price tag for their laptops, buyers can expect a stealthy laptop with clean fit and finish and strong performance. All of their models offer great portability and build quality compared to other gaming laptops.
This information was produced and vetted by the PerfectRec laptops team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest laptop information and makes it digestible for you.
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