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Dell Precision 7740 vs. Dell Inspiron 13 5391: Full specs comparison

We thoroughly analyzed technical specifications for Dell Precision 7740 and Dell Inspiron 13 5391 models, including 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 Dell Inspiron 13 5391 See at Amazon

Dell Precision 7740 Pros

Reasons that Dell Precision 7740 is better than Dell Inspiron 13 5391.

Intel Xeon E-2286M inside Dell Precision 7740 has a 134% better multi-core CPU performance score than the Intel Core i7-10510U inside Dell Inspiron 13 5391.

Geekbench 5 multi-core score

Dell Precision 7740 - Intel Xeon E-2286M

6,910

Dell Precision 7740 - Intel Core i9-9980HK

6,504

Dell Precision 7740 - Intel Core i9-9880H

6,100

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

Dell Precision 7740 - Intel Core i5-9400H

3,690

Dell Inspiron 13 5391 - Intel Core i7-10510U

2,942

Dell Inspiron 13 5391 - Intel Core i5-10210U

2,933

Dell Inspiron 13 5391 - Intel Core i3-10110U

1,866

Dell Precision 7740 supports a larger memory capacity than the Dell Inspiron 13 5391. It supports up to 128GB versus 8GB of system memory on the Dell Inspiron 13 5391.

Max system memory size

Dell Precision 7740

128 GB

Dell Inspiron 13 5391

8 GB

Dell Precision 7740 supports a faster memory speed than the Dell Inspiron 13 5391. It supports up to 3200MHz versus 2133MHz of system memory on the Dell Inspiron 13 5391.

Memory type and speed

Dell Precision 7740 - DDR4 ECC

3,200 MHz

Dell Inspiron 13 5391 - LPDDR3

2,133 MHz

Dell Precision 7740 comes with four SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Dell Inspiron 13 5391 since it has onboard memory.

Memory	Dell Precision 7740	Dell Inspiron 13 5391
Slots	x4	Onboard
Type	DDR4 ECC	LPDDR3

Dell Precision 7740 has a 17.3-inch screen size 30% larger than the 13.3-inch Dell Inspiron 13 5391.

Display size

Dell Precision 7740

17.3-inch

Dell Inspiron 13 5391

13.3-inch

Dell Inspiron 13 5391 Pros

Reasons that Dell Inspiron 13 5391 is better than Dell Precision 7740.

Dell Inspiron 13 5391 weighed 2.16 pounds, 69% lighter than the 6.79 pounds Dell Precision 7740.

Weight	Dell Precision 7740	Dell Inspiron 13 5391
Pound	6.79 lbs.	2.16 lbs.
Kilogram	3.08 kg	0.98 kg

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 $638.26 $729.99 13% OFF	See at Amazon
	Dell Precision 7740 17.3" Mobile Workstation - Intel Core i7-9850H - 16GB RAM - 512GB SSD (Renewed) By Dell $699.99	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 Inspiron 13 5391 Price
	Dell Inspiron 13 5310, 13.3 inch QHD (Quad High Definition) Laptop - Thin and Light Intel Core i7-11370H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce MX450, Services - Windows 10 Home By Dell $799.00 $1,099.99 27% OFF	See at Amazon
	Dell Inspiron 15 3530 Business Laptop 15.6" FHD Anti-Glare Touchscreen Intel 10-Core i5-1335U Processor (>i7-1255u) 16GB RAM 512GB SSD FHD Webcam ExpressCharge Long Battery Life Win11 By Dell $472.88 $496.00 5% OFF	See at Amazon
	Dell Inspiron 7430 14" FHD+ (1920x1200) IPS Touch 2-in-1 Laptop \| Intel i7-1355U 10-Core \| Iris Xe Graphics \| Backlit Keyboard \| Fingerprint \| Thunderbolt 4 \| WiFi 6E \| 16GB LPDDR5 1TB SSD \| Win11 Pro By Dell $749.99 $814.40 8% OFF	See at Amazon

Availability	Dell Precision 7740	Dell Inspiron 13 5391
Released	2019	2019
Release Date	Announced at Computex 2019. Available from early July 2019.	Announced at IFA 2019 Available on October 1, 2019
Pricing	Starting at $1,409	Starting at $579.99 (non-WWAN) Starting at $729.99 (WWAN)
Generations	2021 Dell Precision 7760 2020 Dell Precision 7750 2019 Dell Precision 7740	-

Exterior	Dell Precision 7740	Dell Inspiron 13 5391
Dimensions	16.3 x 10.7 x 1.03 - 1.19 in (414.2 x 273.7 x 26.15 - 30.3 mm)	Non-WWAN Models Front: 12.11 x 8.05 x 0.59 in (307.60 x 204.50 x 14.90 mm) Back: 12.11 x 8.05 x 0.65 in (307.60 x 204.50 x 16.50 mm) WWAN Models Front: 12.11 x 8.05 x 0.66 in (307.60 x 204.50 x 16.80 mm) Back: 12.11 x 8.05 x 0.73 in (307.60 x 204.50 x 18.50 mm)
Weight	6.79 lbs (3.08 Kg)	Non-WWAN Models 2.16 lb (1.18 kg) WWAN Models 2.65 lb (1.20 kg)
Colors	Carbon Fiber LCD Cover Aluminum Titan Gray LCD Cover	Platinum Silver with dark gray bezel and keyboard (available on configurations without a backlit keyboard) Platinum Silver with light gray bezel and silver keyboard (available on configurations with a backlit keyboard) Ice Lilac
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.	Full-size, spill-resistant keyboard Optional backlit full-size, spill-resistant keyboard Multi-touch gesture-enabled precision touchpad with integrated scrolling

Display	Dell Precision 7740	Dell Inspiron 13 5391
Size	17.3 Inches	13.3 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	13.3-inch FHD (1920 x 1080) TrueLife LED Backlight Non-touch Narrow Border Wide Viewing Angle Display

Ports	Dell Precision 7740	Dell Inspiron 13 5391
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	Image Source: Dell 1 x HDMI 1.4b 1 x USB 3.1 Gen 1 Type-C™ (DP/PowerDelivery) 1 x USB 3.1 Gen 1 1 x Micro SD card reader 1 x Headphone & Microphone Audio Jack 1 x AC Power

Internal Specs	Dell Precision 7740	Dell Inspiron 13 5391
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™ i3-10110U 2 cores, 4 threads, 2.10 → 4.10 GHz, 4MB SmartCache, 15W 10th Gen Intel® Core™ i5-10210U 4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W 10th Gen Intel® Core™ i7-10510U 4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
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™ i3-10110U Intel® UHD Graphics 23 Execution Units, 300 → 1000 MHz 10th Gen Intel® Core™ i5-10210U Intel® UHD Graphics 24 Execution Units, 300 → 1100 MHz 10th Gen Intel® Core™ i7-10510U Intel® UHD Graphics 24 Execution Units, 300 → 1150 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	4 GB 8 GB 2133 MHz dual-channel onboard LPDDR3 RAM.
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® MX250 (Optional) Pascal Architecture, 2GB GDDR5 64-bit, 1518 → 1582 MHz, 384 CUDA Cores.
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	256 GB 512 GB M.2 PCIe NVMe Solid State Drive.

Connectivity	Dell Precision 7740	Dell Inspiron 13 5391
Wi-Fi	Intel® Wi-Fi 6 AX200 2x2 .11ax 160MHz Qualcomm QCA61x4A 802.11ac Dual Band, 2x2, Wireless Adapter	Intel 9560 Up to 1730 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac) Intel 9462 Up to 433 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
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	-
More	-	Optional Wireless Wide Area Network (WWAN) Intel 7360 (DW5820e) Up to 450 Mbps DL/50 Mbps UL (Cat 9) Frequency bands supported (LTE FDD: 450 Mbps DL/50 Mbps UL (Cat 9), LTE TDD: B347 Mbps DL/30 Mbps UL (Cat 9), UMTS/HSPA+: UMTS 384 Kbps DL/384 Kbps UL) Wireless standards (LTE Category 16, UMTS/HSPA+) Global Navigation Satellite System (GNSS) (Supports GPS, BDS, and GLONASS)

Battery	Dell Precision 7740	Dell Inspiron 13 5391
Size	64 Wh (4 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery) 97 Wh (6 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery)	4-Cell Battery, 45 Whr (Integrated) 4-Cell Battery, 52 Whr (Integrated)
Battery Life	-	Non-WWAN Models Up to 13 hours 06 minutes WWAN Models Up to 13 hours 44 minutes * Tested on the Mobile Mark 2014 benchmark test.
Power Supply	240 W power adapter Power rated at 19.5 VDC/12.31 A.	65 Watt AC Adapter

Software	Dell Precision 7740	Dell Inspiron 13 5391
OS	Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5 Upgradable to Windows 11	Windows 10 Home Windows 10 Pro Ubuntu 18.04 Upgradable to Windows 11
Built-in Apps	Microsoft Office 30-days trial McAfee® Small Business Security 30 Day Free Trial	Microsoft Office 30 Trial McAfee LiveSafe Foxit Phantom Standard PDF SupportAssist Dell Mobile Connect Dell Color Profiles SmartByte Wave MaxxAudio® Pro

Camera & Audio	Dell Precision 7740	Dell Inspiron 13 5391
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.	Integrated Widescreen HD (720p) Webcam
Audio	Realtek ALC3281 MaxxAudio® Pro by Waves Two speakers (2W x 2) Noise-reducing array microphones	2 x tuned speakers, audio processing by Waves MaxxAudio® Pro 1 x combo headphone/microphone jack Dual Digital Microphone Array

Misc	Dell Precision 7740	Dell Inspiron 13 5391
Sensors	An optional fingerprint reader on the power button	Fingerprint reader sensor (Optional)
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)	Fingerprint Reader with Windows Hello (Optional)
Warranty	3 Years Hardware Service with Onsite Service After Remote Diagnosis	-

Key Features	Dell Precision 7740	Dell Inspiron 13 5391
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 Late 2019 16:9 FHD 13.3” 1080p 60Hz Weight 2.16 lb 0.98 kg Up to Intel Core i7-10510U 4C/8T, 1.80 → 4.90 GHz Geekbench 5 957 Single Core Geekbench 5 2,942 Multi-Core With integrated Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz Configurable up to 8GB 2133 MHz LPDDR3 Nvidia GeForce MX250 2GB GDDR5