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Dell Precision 7740 vs. Lenovo Legion 7i 15”: Full specs comparison

We have comprehensively compared the specifications for the Dell Precision 7740 and Lenovo Legion 7i 15” models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Dell Precision 7740 See at Amazon	Compare With Please enter device name or part of it Lenovo Legion 7i 15” See at Amazon

Dell Precision 7740 Pros

Reasons that Dell Precision 7740 is better than Lenovo Legion 7i 15”.

Dell Precision 7740 supports a larger memory capacity than the Lenovo Legion 7i 15”. It supports up to 128GB versus 32GB of system memory on the Lenovo Legion 7i 15”.

Max system memory size

Dell Precision 7740

128 GB

Lenovo Legion 7i 15”

32 GB

Dell Precision 7740 has a 17.3-inch screen size 10% larger than the 15.6-inch Lenovo Legion 7i 15”.

Display size

Dell Precision 7740

17.3-inch

Lenovo Legion 7i 15”

15.6-inch

Lenovo Legion 7i 15” Pros

Reasons that Lenovo Legion 7i 15” is better than Dell Precision 7740.

2020 vs. 2019

Lenovo Legion 7i 15” weighed 4.6 pounds, 33% lighter than the 6.79 pounds Dell Precision 7740.

Weight	Dell Precision 7740	Lenovo Legion 7i 15”
Pound	6.79 lbs.	4.6 lbs.
Kilogram	3.08 kg	2.09 kg

Key Similars

Similar characteristics share between Dell Precision 7740 and Lenovo Legion 7i 15”.

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

Geekbench 5 multi-core score

Lenovo Legion 7i 15” - Intel Core i9-10980HK

7,013

Dell Precision 7740 - Intel Xeon E-2286M

6,910

Lenovo Legion 7i 15” - Intel Core i7-10875H

6,874

Dell Precision 7740 - Intel Core i9-9980HK

6,504

Dell Precision 7740 - Intel Core i9-9880H

6,100

Lenovo Legion 7i 15” - Intel Core i7-10750H

5,412

Dell Precision 7740 - Intel Xeon E-2276M

5,165

Dell Precision 7740 - Intel Core i7-9850H

4,914

Dell Precision 7740 - Intel Core i7-9750H

4,880

Lenovo Legion 7i 15” - Intel Core i5-10300H

3,747

Dell Precision 7740 - Intel Core i5-9400H

3,690

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

Memory	Dell Precision 7740	Lenovo Legion 7i 15”
Slots	x4	x2
Type	DDR4 ECC	DDR4

Prices

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

Dell Precision 7740 Price
	2019 Dell Precision 7740 Laptop 17.3 - Intel Core i7 9th Gen - i7-9850H - Six Core 4.6Ghz - 512GB SSD - 32GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed) By Dell $658.00 $729.99 10% OFF	See at Amazon
	Dell Precision 7740 17.3" Intel Xeon E-2276m 64GB RAM 1TB SSD Windows 10 Pro (Renewed) By Dell $649.99	See at Amazon
	Dell Precision 7740 17.3" Mobile Workstation - Intel Core i7-9850H - 16GB RAM - 512GB SSD (Renewed) By Dell $629.99	See at Amazon
Lenovo Legion 7i 15” Price
	Lenovo Legion Pro 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i9-13900HX 24-Core, NVIDIA GeForce RTX 4080, 32GB RAM, 1TB M.2 NVMe Gen 4 SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home By Lenovo $2,405.12	See at Amazon
	Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 1TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home By Lenovo $2,356.99 $2,498.92 6% OFF	See at Amazon
	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	See at Amazon

Availability	Dell Precision 7740	Lenovo Legion 7i 15”
Released	2019	2020
Release Date	Announced at Computex 2019. Available from early July 2019.	Announced in April 2020
Pricing	Starting at $1,409	Starting at $1199.99
Generations	2021 Dell Precision 7760 2020 Dell Precision 7750 2019 Dell Precision 7740	-

Exterior	Dell Precision 7740	Lenovo Legion 7i 15”
Dimensions	16.3 x 10.7 x 1.03 - 1.19 in (414.2 x 273.7 x 26.15 - 30.3 mm)	14.1" x 10" x 0.8"/ 360mm x 255mm x 20mm
Weight	6.79 lbs (3.08 Kg)	Starting at 4.6 lbs (2.1 kg)
Colors	Carbon Fiber LCD Cover Aluminum Titan Gray LCD Cover	Slate Grey
Keyboard and Trackpad	Full-size with optional backlit keyboard. 3.92 x 2.09 in (99.50 mm x 53 mm) touchpad with multi-touch gesture support.	Keyboard Backlit full-size with the backlit keyboard. Corsair® iCUE RGB support Touchpad Precision Touchpad. Supports multi-touch gesture.

Display	Dell Precision 7740	Lenovo Legion 7i 15”
Size	17.3 Inches	15.6 Inches
Info	17.3”, HD 1600 x 900, Anti-Glare, LED Backlight, Non-touch 60% color gamut 17.3”, FHD 1920 x 1080, Anti-Glare IPS, Non-touch 100% color gamut sRGB 17.3”, UHD 3840 x 2160, Anti-Glare IGZO, Non-touch 100% AdobeRGB	15.6" FHD 144Hz 1920 x 1080, IPS, 144 Hz, < 3ms response time, 100% sRGB, 300 nits. 15.6" FHD 144Hz HDR 1920 x 1080, IPS, 144 Hz, <3 ms Response Time, 100% Adobe RGB, 500 nits, VESA DisplayHDR 400-certified, Dolby Vision™-enabled. 15.6" FHD 240Hz HDR 1920 x 1080, IPS, 240 Hz, <1 ms Response Time, 100% sRGB, 500 nits, VESA DisplayHDR 400 Certified, Dolby Vision™ Enabled.

Ports	Dell Precision 7740	Lenovo Legion 7i 15”
Image Source: Dell Left (4) 2 x Thunderbolt 3 40 Gpbs, USB 3.1 Gen 2 (10 Gbps), DisplayPort 1 x full-size SD card slot 1 x Smart Card Reader Right (4) 1 x headphone jack Headphone/Microphone 2 x USB-A USB 3.2 Gen 1 (5 Gbps), PowerShare 1 x lock slot Back (5) 1 x HDMI v2.0 1 x Mini DisplayPort v1.4 1 x RJ-45 1 Gbps 1 x USB-A USB 3.1 Gen 1 (5 Gbps), PowerShare 1 x power port	1 x Thunderbolt™ 3 Type-C™ (Thunderbolt™, DisplayPort™, USB 3.1, HDMI™) 1 x USB-C (DisplayPort™ 1.4, USB 3.1 Gen 1) 2 x USB 3.1 Gen 2 Type-A 1 x USB 3.1 Gen 1 Type-A 1 x HDMI™ 2.0 1 x RJ45 Ethernet 1 x Kensington MiniSaver Lock slot 1 x 3.5mm microphone/headphone combo 1 x Power input 1 x NOVO hole

Internal Specs	Dell Precision 7740	Lenovo Legion 7i 15”
Processor	9th Gen Intel® Core™ i5-9400H 4 cores, 8 threads, 2.50 → 4.30 GHz, 8MB SmartCache, 45W 9th Gen Intel® Core™ i7-9750H 6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i7-9850H 6 cores, 12 threads, 2.60 → 4.60 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i9-9880H 8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W 9th Gen Intel® Core™ i9-9980HK 8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W Intel Xeon E-2276M 6 cores, 12 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 45W Intel Xeon E-2286M 8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W	10th Gen Intel® Core™ i5-10300H 4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i7-10750H 6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10875H 8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i9-10980HK 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics	9th Gen Intel® Core™ i5-9400H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 9th Gen Intel® Core™ i7-9750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 9th Gen Intel® Core™ i7-9850H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 9th Gen Intel® Core™ i9-9880H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 9th Gen Intel® Core™ i9-9980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Intel Xeon E-2276M Intel® UHD Graphics P630 24 Execution Units, 350 → 1200 MHz Intel Xeon E-2286M Intel® UHD Graphics P630 24 Execution Units, 350 → 1250 MHz	10th Gen Intel® Core™ i5-10300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 10th Gen Intel® Core™ i7-10750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz
Memory	Memory Slots 4 x DDR4 SODIMM Memory Configurations Minimum Memory: 8GB Maximum Memory: 128B Memory Type: DDR4 ECC or Non-ECC memory Memory Speed: 2666 MHz or 3200 MHz	Memory Slots 2 x DDR4 SODIMM Memory Configurations Minimum Memory: 8GB Maximum Memory: 32GB Memory Speed: 2933MHz or 3200MHz
Discrete Graphics	AMD Radeon Pro WX 3200 (Optional) GCN 4.0 Architecture, 4GB GDDR5 128-bit, 1295 MHz, 640 Shading Units. Radeon Pro WX 7130 w/8GB GDDR5 (Optional) GCN 4.0 Architecture, 4GB GDDR5 128-bit, 1188 → 1243 MHz, 2304 Shading Units. NVIDIA Quadro RTX 3000 Mobile (Optional) Turning Architecture, 6GB GDDR6 256-bit, 945→ 1380 MHz, 2,304 Shading Units. NVIDIA Quadro RTX 4000 Mobile (Optional) Turning Architecture, 8GB GDDR6 256-bit, 1110→ 1560 MHz, 2,560 Shading Units. NVIDIA Quadro RTX 5000 Mobile (Optional) Turning Architecture, 16GB GDDR6 256-bit, 1035→ 1545 MHz, 3,072 Shading Units.	NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6) NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) NVIDIA® GeForce RTX™ 2070 Max-Q (8GB GDDR6) NVIDIA® GeForce RTX™ 2080 SUPER Max-Q (8GB GDDR6) NVIDIA® GeForce RTX™ 2070 SUPER Max-Q (8GB GDDR6)
Storage	Hard Drive Slots 4 x M.2 2280 PCIe SSD slot 1 x 2.5 inches hard drive slot Available only on a 4-cell 64Wh battery model. Hard Drive Configurations Up to 8TB M.2 NVMe PCIe SSD Up to 2TB SATA Hard Drive	Storage Slots 1 x M.2 2230/2280 PCIe SSD slot 1 x 2.5 inches hard drive slot Storage Configurations 128 GB/256 GB/512 GB/1 TB PCIe NVMe SSD 1 TB/2 TB HDD

Connectivity	Dell Precision 7740	Lenovo Legion 7i 15”
Wi-Fi	Intel® Wi-Fi 6 AX200 2x2 .11ax 160MHz Qualcomm QCA61x4A 802.11ac Dual Band, 2x2, Wireless Adapter	WiFi 6 802.11AX (2 x 2) Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
Bluetooth	Bluetooth 4.2 Bluetooth 5.1	Bluetooth 5.0
Ethernet	Integrated Intel i219LM 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE	Gigabit LAN Speed: 10/100/1000 Mbps.

Battery	Dell Precision 7740	Lenovo Legion 7i 15”
Size	64 Wh (4 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery) 97 Wh (6 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery)	80 Wh (4 Cell polymer)
Battery Life	-	Up to 7.7 hours
Power Supply	240 W power adapter Power rated at 19.5 VDC/12.31 A.	230W AC power adapter Lenovo proprietary charging port.

Software	Dell Precision 7740	Lenovo Legion 7i 15”
OS	Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5 Upgradable to Windows 11	Windows 10 Home 64-bit Windows 10 Pro 64-bit
Built-in Apps	Microsoft Office 30-days trial McAfee® Small Business Security 30 Day Free Trial	Corsair® iCUE Lenovo Vantage McAfee LiveSafe™ Microsoft Office Trial

Camera & Audio	Dell Precision 7740	Lenovo Legion 7i 15”
Camera	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps. Optional Windows Hello Infrared Camera 0.30 Megapixels (340 x 340) at 60 fps.	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio	Realtek ALC3281 MaxxAudio® Pro by Waves Two speakers (2W x 2) Noise-reducing array microphones	2 x 2W Harman Kardon® Speaker System with Chamber Dolby Atmos® Headphone Support Dual-array microphones

Misc	Dell Precision 7740	Lenovo Legion 7i 15”
Sensors	An optional fingerprint reader on the power button	-
Security	Intel® vPro™ Technology (iAMT 12) (optional, requires Intel WiFi® Link WLAN and a vPro compatible processor), Dell Client Command Suite available (dell.com/command), Factory Installed Dell Client Command \| Update, Dell Command \| Power Manager, Intel® Platform Trust Technology, Trusted Platform Module (TPM) 2.0 Chassis wedge-shaped security lock Support for Computrace and SmartCard Reader Fingerprint reader or FIPS Fingerprint reader Touch Fingerprint Reader with Control Vault 3.0 (Advanced Authentication with FIPS 140-2 Level 3 Certification) Contacted Smart Card (FIPS 201 with Control Vault 3.0 Advanced Authentication with FIPS 140-2 level 3 Certification) Contactless Smart Card NFC/CSC (Check regional availability)	Chassis Kensington® Wedge security lock
In the box	-	Legion 7i 15" 4 Cell 80Wh internal battery 230W AC adapter Quick start guide
Warranty	3 Years Hardware Service with Onsite Service After Remote Diagnosis	One Year Legion Ultimate Support

Key Features	Dell Precision 7740	Lenovo Legion 7i 15”
At Glance	Released in 2019 16:9 4K UHD 17.3” 2160p 60Hz Weight 6.79 lb 3.08 kg Up to Intel Xeon E-2286M 8C/16T, 2.40 → 5.00 GHz Geekbench 5 1,192 Single Core Geekbench 5 6,910 Multi-Core With integrated Intel® UHD Graphics P630 24 Execution Units, 350 → 1250 MHz Upgradable up to 128GB 3200 MHz DDR4 ECC Nvidia Quadro RTX 5000 16GB GDDR6	Released in 2020 16:9 FHD 15.6” 1080p 240Hz Weight 4.6 lb 2.09 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 2070 SUPER 8GB GDDR6 with Max-Q