Lenovo Legion Slim 7i (15”, Intel, 2020) vs. Razer Blade 15 Advanced Edition (2021): Which is better?

Here is a side by side comparison between Lenovo Legion Slim 7i (15”, Intel, 2020) and Razer Blade 15 Advanced Edition (2021) specs including CPU, RAM, storage, battery, display, and more.

Lenovo Legion Slim 7i (15”, Intel, 2020) Pros

Reasons that Lenovo Legion Slim 7i (15”, Intel, 2020) is better than Razer Blade 15 Advanced Edition (2021).

Supports faster memory

Lenovo Legion Slim 7i (15”, Intel, 2020) supports a faster memory speed than the Razer Blade 15 Advanced Edition (2021). It supports up to 3200MHz versus 2933MHz of system memory on the Razer Blade 15 Advanced Edition (2021).

Memory type and speed
Lenovo Legion Slim 7i (15”, Intel, 2020) - DDR4
3,200 MHz
Razer Blade 15 Advanced Edition (2021) - DDR4
2,933 MHz
About 7% lighter

Lenovo Legion Slim 7i (15”, Intel, 2020) weighed 4.1 pounds, 7% lighter than the 4.40 pounds Razer Blade 15 Advanced Edition (2021).

WeightLenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Pound
4.1 lbs.
4.40 lbs.
Kilogram
1.86 kg
2.00 kg

Razer Blade 15 Advanced Edition (2021) Pros

Reasons that Razer Blade 15 Advanced Edition (2021) is better than Lenovo Legion Slim 7i (15”, Intel, 2020).

Supports larger memory

Razer Blade 15 Advanced Edition (2021) supports a larger memory capacity than the Lenovo Legion Slim 7i (15”, Intel, 2020). It supports up to 64GB versus 32GB of system memory on the Lenovo Legion Slim 7i (15”, Intel, 2020).

Max system memory size
Razer Blade 15 Advanced Edition (2021)
64 GB
Lenovo Legion Slim 7i (15”, Intel, 2020)
32 GB

Key Similars

Similar characteristics share between Lenovo Legion Slim 7i (15”, Intel, 2020) and Razer Blade 15 Advanced Edition (2021).

Similar CPU performance

Both laptops has a similar multi-core CPU performance score.

Geekbench 5 multi-core score
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i9-10980HK
7,013
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10875H
6,874
Razer Blade 15 Advanced Edition (2021) - Intel Core i7-10875H
6,874
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10870H
6,596
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10750H
5,412
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i5-10300H
3,747
Upgradable memory

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

MemoryLenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Slots
x1
x2
TypeDDR4DDR4

Prices

Here are the latest price updates and offers for both devices.

Lenovo Legion Slim 7i (15”, Intel, 2020) Price
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$3,295.00
Lenovo Legion Pro 7i 16" QHD+ 500nits Gaming Laptop 240Hz Intel Core i9-13900HX 16GB RAM 1TB SSD NVIDIA GeForce RTX 4080 12GB Windows 11 Onyx Grey
Lenovo Legion Pro 7i 16" QHD+ 500nits Gaming Laptop 240Hz Intel Core i9-13900HX 16GB RAM 1TB SSD NVIDIA GeForce RTX 4080 12GB Windows 11 Onyx Grey
By Lenovo
$2,299.99
Lenovo 82VB0002US, Slim 7i - Laptop Computer - Intel Core i7-12700H - 16" WQXGA Touchscreen Display - 16GB - 1TB SSD - Intel Arc A370M Graphics - Windows 11
Lenovo 82VB0002US, Slim 7i - Laptop Computer - Intel Core i7-12700H - 16" WQXGA Touchscreen Display - 16GB - 1TB SSD - Intel Arc A370M Graphics - Windows 11
By Lenovo
$975.00
Razer Blade 15 Advanced Edition (2021) Price
Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 3070 Ti - 12th Gen Intel 14-Core i7 CPU - 15.6” QHD 240Hz - 16GB DDR5 RAM - 1TB PCIe SSD - Windows 11 - CNC Aluminum - Chroma RGB - Thunderbolt 4
Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 3070 Ti - 12th Gen Intel 14-Core i7 CPU - 15.6” QHD 240Hz - 16GB DDR5 RAM - 1TB PCIe SSD - Windows 11 - CNC Aluminum - Chroma RGB - Thunderbolt 4
By Razer
$2,489.00
$2,999.99 17% OFF
Razer Blade 15 Advanced Gaming Laptop 2020: Intel Core i7-10875H 8-Core, NVIDIA GeForce RTX 2070 Super Max-Q, 15.6” FHD 300Hz, 16GB RAM, 512GB SSD, CNC Aluminum, Chroma RGB Lighting, Thunderbolt 3
Razer Blade 15 Advanced Gaming Laptop 2020: Intel Core i7-10875H 8-Core, NVIDIA GeForce RTX 2070 Super Max-Q, 15.6” FHD 300Hz, 16GB RAM, 512GB SSD, CNC Aluminum, Chroma RGB Lighting, Thunderbolt 3
By Razer
$1,864.00
Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 3070-10th Gen Intel 8-Core i7 CPU - 15.6” FHD 360Hz - 16GB RAM - 1TB SSD - CNC Aluminum - Chroma RGB - THX Spatial Audio - Thunderbolt 3
Razer Blade 15 Gaming Laptop: NVIDIA GeForce RTX 3070-10th Gen Intel 8-Core i7 CPU - 15.6” FHD 360Hz - 16GB RAM - 1TB SSD - CNC Aluminum - Chroma RGB - THX Spatial Audio - Thunderbolt 3
By Razer
$2,410.51

Availability

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Released20202021
Release DateAnnounced on December 04, 2020Announced on January 12, 2021.
Pricing-Starting at $2,499.99

Exterior

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Dimensions14.01 x 9.84 x 0.6 - 0.7 inches (356 x 250 x 15.9 - 17.9 mm)13.98” x 9.25” x 0.67” (355 mm x 235 mm x 16.99 mm)
WeightStarting at 4.1 lbs (1.86 kg)4.40 lbs (2.091 kg)
Colors
Slate grey
Anodized Black
Keyboard and Trackpad
  • Keyboard
    • 6-row, spill-resistant, multimedia Fn keys, numeric keypad.
  • Keyboard Backlight
    • RGB LED backlight
    • White LED backlight
  • Touchpad
    • Buttonless glass surface multi-touch touchpad supports Precision TouchPad (PTP).
  • Full-size backlit keyboard.
    • Per key RGB Powered by Razer Chroma™ N-Key rollover keyboard
    • Anti-ghosting keyboard
  • Precise Glass Touchpad
    • A large, clickable glass touchpad with Microsoft Precision Touchpad support.

Display

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Size15.6 Inches15.6 Inches
Info
  • 15.6" FHD 60Hz
    1920 x 1080 IPS 60 Hz 100% sRGB Dolby Vision® Supported 300 nits
  • 15.6" FHD 144Hz
    1920 x 1080 IPS 144 Hz Up to 5 ms Response Time 100% sRGB Dolby Vision® Supported 300 nits
  • 15.6" UHD 60Hz
    3840 x 2160 IPS 60 Hz 100% Adobe RGB VESA DisplayHDR 400 Certified Dolby Vision® Supported 500 nits
  • 15.6” FHD 360Hz
    1920 x 1080 16:9 144Hz IPS 100% sRGB 2ms response time 4.9 mm side bezel factory calibrated
  • 15.6” QHD 240Hz
    2560 x 1440 16:9 240Hz IPS 95% sRGB 2.5ms response time NVIDIA G-Sync and Advanced Optimus 4.9 mm side bezel factory calibrated
  • 15.6” OLED 4K 60Hz
    3840 x 2160 16:9 60Hz IPS 100% DCI-P3 1ms response time Touchscree Corning Gorilla Glass 4.9 mm side bezel factory calibrated

Ports

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
  • 1 x Thunderbolt™ 3
    Supports USB 3.2 Gen 2, DisplayPort™ 1.4, and Power Delivery 100W.
  • 1 x USB-A 3.2 Gen 2
  • 1 x USB-A 3.2 Gen 2 (Always On)
  • 1 x 4-in-1 Full-size SD Card Reader
  • 1 x Audio jack
  • 1 x Power adapter
  • 1 x USB-C with Thunderbolt 3.
    Supports 20V USB-C chargers with PD 3.0.
  • 1 x USB-C 3.2 Gen 2.
    Supports 20V USB-C chargers with PD 3.0.
  • 3 x USB-A 3.2 Gen 2.
  • 1 x HDMI 2.1
    Supports up to 4K@120Hz
  • 1 x SD Card Reader, UHS-III.
  • 1 x 3.5mm combo audio jack.
  • 1 x Kensington lock slot.
  • 1 x AC power port.

Internal Specs

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Processor
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10870H
    8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  5. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10870H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  4. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  5. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  1. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
Memory
8GB 16GB 32GB
2933 MHz or 3200 MHz DDR4 Memory
  • Memory Slots
    • 1 x Onboard Memory
    • 1 x SO-DIMM DDR4 Slot
16GB 32GB 64GB
Dual-channel 2933 Hz DDR4 SDRAM
2 x DDR4 SODIMM slots.
Discrete Graphics
  • NVIDIA® GeForce® GTX 1650 Ti
    4GB GDDR6
  • NVIDIA® GeForce® GTX 1660 Ti
    Max-Q Design, 6GB GDDR6
  • NVIDIA® GeForce RTX™ 2060
    Max-Q Design, 6GB GDDR6
  • Supports External eGPU Support
  • NVIDIA® GeForce RTX™ 3060 (6GB GDDR6 VRAM, Optimus™ Technology)
  • NVIDIA® GeForce RTX™ 3070 (8GB GDDR6 VRAM, Optimus™ Technology)
  • NVIDIA® GeForce RTX™ 3080 (16GB GDDR6 VRAM, Optimus™ Technology)
Storage
512 GB 1TB 2TB
M.2 2280 SSD
  • 2 x PCIe NVMe, PCIe 3.0 x4 slots
1TB 2TB
M.2 NVMe PCIe 3.0 x4.
2 x M.2 PCIe 3.0 x4 slots.

Connectivity

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Wi-FiKiller Wi-Fi 6 AX1650, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1, M.2 CardIntel® Wi-Fi 6E AX210
(IEEE 802.11a/b/g/n/ac/ax)
BluetoothBluetooth 5.1Bluetooth 5.2

Battery

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Size71 WHr (Integrated 3-Cell Li-Polymer battery)
Supports Rapid Charge Boost (get 2 hours of runtime with a 15-minute charge)
80Wh lithium-ion polymer battery
Battery LifeUp to 5.8 hours
Tested with MobileMark® 2018
Up to 7 hours of battery life
Power Supply
170W 230W
Slim tip AC adapter.
230W Proprietary AC Adapter

Software

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
OS
  • Windows 10 Home 64
  • Windows 10 Pro 64
  • FreeDOS
  • No operating system
Windows 10 Home 64-bit
Built-in Apps
Lenovo Vantage Dolby Atmos® Speaker System Dolby Vision® McAfee® Antivirus
Razer Synapse 3 enabled with programmable keyboard

Camera & Audio

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
CameraTop-placed Built-in HD Webcam (720p) with Privacy Shutter
  • Front-facing camera
    Top-mount front camera, 1 Megapixel (720p HD).
  • Infrared Camera for Windows Hello
Audio
  • 2 x 2W Dolby Atmos® Speaker System for Gaming
  • Dual array microphone
  • Built-in stereo speakers
  • THX® Spatial Audio
  • 3.5mm headphone/microphone combo port
  • Dolby® Atmos support, 7.1 Codec support (via HDMI)
  • Built-in array microphone

Misc

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
Sensors
  • Fingerprint Reader Combined with Power Button
-
Security
  • Fingerprint Reader
    • Touch style fingerprint reader on the power button
  • BIOS Security
    • Power-on password
    • Supervisor password
  • Other Security
    • Camera privacy shutter
  • Windows Hello Facial Recognition
  • Intel® Platform Trust Technology (Intel® PTT) security embedded
  • Kensington™ Security Slot
In the box
  • Lenovo Legion Slim 7i 15”
  • AC adapter
  • Internal Battery
  • Quick Start Guide
  • Razer Blade 15" Advanced Edition
  • Power adapter + regional power cord
  • Micro-fiber cleaning cloth
  • Important Product Information Guide
Warranty1-year depot service-

Key Features

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)
At Glance
Released in
2020
16:9 4K UHD
15.6”
2160p 60Hz
Weight
4.1 lb
1.86 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
32GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2060
6GB GDDR6 with Max-Q
Released in Early
2021
16:9 QHD
15.6”
1440p 240Hz
Weight
4.40 lb
2.00 kg
Powered By
Intel Core i7-10875H
8C/16T, 2.30 → 5.10 GHz
Geekbench 5
1,192
Single Core
Geekbench 5
6,874
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1200 MHz
Upgradable up to
64GB
2933 MHz DDR4
NVIDIA GeForce
RTX 3080
16GB GDDR6

Comparison Summary

Lenovo Legion Slim 7i (15”, Intel, 2020) vs. Razer Blade 15 Advanced Edition (2021)

Lenovo has released the Legion Slim 7i (15”, Intel, 2020), a 15.6-inch machine, in 2020. It is powered by up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. The laptop has a dedicated GPU option up to NVIDIA GeForce RTX 2060 with 6GB GDDR6 with Max-Q.

On the other hand, we have the 15.6-inch Blade 15 Advanced Edition was introduced by Razer about a year later in early-2021. It comes with an octa-core Intel Core i7-10875H with a boost clock speed up to 5.10 GHz. It has a dedicated GPU option up to NVIDIA GeForce RTX 3080 with 16GB GDDR6.

Geekbench 5 Single Core

Lenovo Legion Slim 7i (15”, Intel, 2020)1
10th Gen Intel® Core™ i5-10300H1,06186.75%
2
10th Gen Intel® Core™ i7-10750H1,13492.72%
3
10th Gen Intel® Core™ i7-10870H1,15994.77%
4
10th Gen Intel® Core™ i7-10875H1,19297.47%
5
10th Gen Intel® Core™ i9-10980HK1,223100.00%
Razer Blade 15 Advanced Edition (2021)1
10th Gen Intel® Core™ i7-10875H1,19297.47%
01,223

Geekbench 5 Multi Core

Lenovo Legion Slim 7i (15”, Intel, 2020)1
10th Gen Intel® Core™ i5-10300H3,74753.43%
2
10th Gen Intel® Core™ i7-10750H5,41277.17%
3
10th Gen Intel® Core™ i7-10870H6,59694.05%
4
10th Gen Intel® Core™ i7-10875H6,87498.02%
5
10th Gen Intel® Core™ i9-10980HK7,013100.00%
Razer Blade 15 Advanced Edition (2021)1
10th Gen Intel® Core™ i7-10875H6,87498.02%
07,013

Both Lenovo Legion Slim 7i (15”, Intel, 2020) and Razer Blade 15 Advanced Edition (2021) have the same 15.6-inch display size. In addition, The Lenovo Legion Slim 7i (15”, Intel, 2020) weighs 4.1 lbs. about 7% lighter than the 4.40 lbs. Razer Blade 15 Advanced Edition (2021). Moreover, measured at 14.01” x 9.84” x 0.7”, the Lenovo Legion Slim 7i (15”, Intel, 2020) is considerably bulkier than the Razer Blade 15 Advanced Edition (2021) at 13.98” x 9.25” x 0.67”.

Lenovo Legion Slim 7i (15”, Intel, 2020)Razer Blade 15 Advanced Edition (2021)

Moving over to upgradability, Lenovo claims that the Lenovo Legion Slim 7i (15”, Intel, 2020) supports up to 32GB 3200 MHz DDR4 memory that you can upgrade with memory module slots on the motherboard. It also comes with two M.2 slots that users can easily upgrade and install an additional SSD to expand the storage on the device.

For Razer Blade 15 Advanced Edition (2021), it supports up to 64GB 2933 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has two M.2 slots that users can easily swap or add an extra SSD to get extra space when needed.

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