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Surface Book 3 15” vs. Dell Latitude 5420: Full specs comparison

We have comprehensively compared the specifications for the Surface Book 3 15” and Dell Latitude 5420 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 Surface Book 3 15” See at Amazon	Compare With Please enter device name or part of it Dell Latitude 5420 See at Amazon See at Dell

Surface Book 3 15” Pros

Reasons that Surface Book 3 15” is better than Dell Latitude 5420.

Surface Book 3 15” supports a faster memory speed than the Dell Latitude 5420. It supports up to 3733MHz versus 3200MHz of system memory on the Dell Latitude 5420.

Memory type and speed

Surface Book 3 15” - LPDDR4X

3,733 MHz

Dell Latitude 5420 - DDR4

3,200 MHz

Configurable up to Nvidia GeForce RTX 3000 6GB GDDR6 with Max-Q vs. integrated

Surface Book 3 15” has a 15-inch screen size 7% larger than the 14-inch Dell Latitude 5420.

Display size

Surface Book 3 15”

15-inch

Dell Latitude 5420

14-inch

Dell Latitude 5420 Pros

Reasons that Dell Latitude 5420 is better than Surface Book 3 15”.

2021 vs. 2020

Intel Core i7-1185G7 inside Dell Latitude 5420 has a 30% better multi-core CPU performance score than the Intel Core i7-1065G7 inside Surface Book 3 15”.

Geekbench 5 multi-core score

Dell Latitude 5420 - Intel Core i7-1185G7

4,864

Dell Latitude 5420 - Intel Core i7-1165G7

4,487

Dell Latitude 5420 - Intel Core i5-1145G7

4,450

Dell Latitude 5420 - Intel Core i5-1135G7

3,980

Surface Book 3 15” - Intel Core i7-1065G7

3,722

Dell Latitude 5420 - Intel Core i3-1125G4

3,690

Dell Latitude 5420 - Intel Core i7-10610U

3,042

Dell Latitude 5420 - Intel Core i5-10310U

2,992

Dell Latitude 5420 - Intel Core i5-10210U

2,933

Dell Latitude 5420 supports a larger memory capacity than the Surface Book 3 15”. It supports up to 64GB versus 32GB of system memory on the Surface Book 3 15”.

Max system memory size

Dell Latitude 5420

64 GB

Surface Book 3 15”

32 GB

Dell Latitude 5420 comes with two SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Surface Book 3 15” since it has onboard memory.

Memory	Surface Book 3 15”	Dell Latitude 5420
Slots	Onboard	x2
Type	LPDDR4X	DDR4

Dell Latitude 5420 weighed 3.09 pounds, 27% lighter than the 4.20 pounds Surface Book 3 15”.

Weight	Surface Book 3 15”	Dell Latitude 5420
Pound	4.20 lbs.	3.09 lbs.
Kilogram	1.91 kg	1.40 kg

Dell Latitude 5420 has more ports and slots count than the Surface Book 3 15”. It has eleven versus seven amount of ports and slots on the Surface Book 3 15”.

Ports	Surface Book 3 15”	Dell Latitude 5420
full-size SD card slot	Yes	No
HDMI	No	Yes
headphone jack	Yes	Yes
lock slot	No	Yes
microSD card slot	No	Yes
microSIM card slot	No	Yes
power port	Yes x2	No
RJ-45	No	Yes
Smart Card Reader	No	Yes
Thunderbolt 4	No	Yes x2
USB-A	Yes x2	Yes x2
USB-C	Yes	No
Total	7	11

Dell Latitude 5420 has better versatile I/O connectivity than the Surface Book 3 15”. It has six versus five commonly used ports and slots on the Surface Book 3 15”.

Ports	Surface Book 3 15”	Dell Latitude 5420
headphone jack	Yes	Yes
USB-A	Yes	Yes
full-size SD card slot	Yes	No
HDMI	No	Yes
microSD card slot	No	Yes
power port	Yes	No
RJ-45	No	Yes
Thunderbolt 4	No	Yes
USB-C	Yes	No

Prices

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

Surface Book 3 15” Price
	NEW Microsoft Surface Book 3 - 15" Touch-Screen - 10th Gen Intel Core i7 - 16GB Memory - 256GB SSD (Latest Model) - Platinum By Microsoft $1,299.00	See at Amazon
	Microsoft New Surface Book 3-15" Touch-Screen - 10th Gen Intel Core i7-16GB Memory - 256GB SSD (Latest Model) - Platinum (Renewed) By Microsoft $999.95	See at Amazon
	Microsoft Surface Book 3-15" Touch-Screen - 10th Gen Intel Core i7-32GB Memory - 512GB SSD (Latest Model) - Platinum (Renewed) By Microsoft $1,299.00	See at Amazon
Dell Latitude 5420 Price
	Dell Latitude 5420 14" Notebook, Intel Core i5-1145G7, 16GB RAM, 512GB SSD, Intel Iris Xe Graphics, Windows 10 Pro (Renewed) By Dell $314.28 $374.99 16% OFF	See at Amazon
	Dell Latitude 5420 Laptop PC FHD 1920 x 1080 Non-Touch, Intel Core i7-1185G7 Processor, 16GB Ram, 512 NVMe SSD, HDMI, Thunderbolt, Windows 10 Pro (Renewed) By Dell $379.00 $461.98 18% OFF	See at Amazon
	Dell Latitude 5420 14" Laptop, Core i5-1145G7, 16GB RAM 512 GB NVMe SSD, FHD (1920x1080), Backlit Keyboard, CAM, Windows 10 Pro (Renewed) By Dell $342.00 $449.99 24% OFF	See at Amazon

Availability	Surface Book 3 15”	Dell Latitude 5420
Released	2020	2021
Release Date	Introduced: May 6, 2020 Pre-ordered: May 6, 2020 Released: May 12, 2020	Announced on January 05, 2021 (CES 2021) Available on January 12, 2021
Pricing	For Consumer $2,299 - i7 \| 16GB \| 256GB \| GTX 1660 Ti $2,799 - i7 \| 32GB \| 512GB \| GTX 1660 Ti $2,999 - i7 \| 32GB \| 1TB \| GTX 1660 Ti $3,399 - i7 \| 32GB \| 2TB \| GTX 1660 Ti For Commercial $2,399 - i7 \| 16GB \| 256GB \| GTX 1660 Ti $2,899 - i7 \| 32GB \| 512GB \| GTX 1660 Ti $3,099 - i7 \| 32GB \| 1TB \| GTX 1660 Ti $3,499 - i7 \| 32GB \| 2TB \| GTX 1660 Ti $3,499 - i7 \| 32GB \| 512GB \| RTX 3000 $3,699 - i7 \| 32GB \| 1TB \| RTX 3000	-
Generations	2020 Surface Book 3 15” 2020 Surface Book 3 13.5” 2017 Surface Book 2 15” 2017 Surface Book 2 13.5” 2016 Surface Book i7 2015 Surface Book	2022 Dell Latitude 5431 2022 Dell Latitude 5430 2021 Dell Latitude 5420 2020 Dell Latitude 5410 2018 Dell Latitude 5490 2017 Dell Latitude 5480

Exterior	Surface Book 3 15”	Dell Latitude 5420
Dimensions	13.5” x 9.87” x 0.568-0.90” (343 mm x 251 mm x 15 mm-23 mm)	12.65” x 8.35” x 0.76” (321.4 mm x 212 mm x 19.3 mm)
Weight	Total: 4.20 lbs (1,905 g) Tablet: 1.80 lbs (817 g)	3.09 lb (1.4 kg)
Colors	Platinum	-
Keyboard and Trackpad	Keyboard: Full-size mechanical backlit keyset with 1.55mm travel. Mechanical friction attaches the Clipboard to the keyboard. Trackpad: Larger size 105 mm x 70 mm, glass. Supports up to Five-finger multitouch gesture.	Keyboard Single Pointing Backlit US-English Keyboard Touchpad Size: 4.53” x 2.64” (115 mm x 67 mm) Supports Microsoft Precision multi-touch gesture.

Display	Surface Book 3 15”	Dell Latitude 5420
Size	15 Inches	14 Inches
Info	Display Resolution: 3240 x 2160 (7M Pixels) Display Density: 260 PPI PixelSense™ Display Aspect ratio: 3:2 Contrast ratio: 1600:1 Inking: designed together with Surface Pen Touch: 10 points multi-touch	14” HD 1366 x 768 TN 220 nits 45% NTSC 300:1 Anti-Glare Non-Touch WVA 2.4W 14” FHD 1920 x 1080 IPS 250 nits 45% NTSC 600:1 Anti-Glare Non-Touch WVA 3.2W 14” FHD with Low Blue Light (LBL) Support 1920 x 1080 IPS 400 nits 100% sRGB 1000:1 Anti-Glare Non-Touch WVA LBL 2.5W 14” FHD with Touch Support 1920 x 1080 IPS 300 nits 75% NTSC 600:1 Anti-Glare Touch WVA 4.51W 14” FHD with Touch Support 1920 x 1080 IPS 300 nits 100% sRGB 600:1 Anti-Glare Touch WVA 3.5W

Ports	Surface Book 3 15”	Dell Latitude 5420
Image Source: Microsoft Left (3) 2 x USB-A USB 3.1 Gen 2 (10 Gbps) 1 x full-size SD card slot UHS-II performance Right (3) 1 x power port Charging, Docking 1 x USB-C USB 3.1 Gen 2 (10 Gbps), DisplayPort, Power Delivery 1 x headphone jack Headphone/Microphone, On the tablet Bottom (1) 1 x power port Charging, Docking, On the tablet	Image Source: Dell Left (3) 2 x Thunderbolt 4 40 Gpbs, USB 4.0 (40 Gbps), DisplayPort, Power Delivery 1 x Smart Card Reader Optional Right (7) 1 x USB-A USB 3.2 Gen 1 (5 Gbps) 1 x USB-A USB 3.2 Gen 1 (5 Gbps), PowerShare 1 x HDMI v2.0 1 x RJ-45 1 Gbps, Flip-Down Port 1 x microSD card slot v4.0 1 x headphone jack Headphone/Microphone 1 x lock slot Back (1) 1 x microSIM card slot Optional

Internal Specs	Surface Book 3 15”	Dell Latitude 5420
Processor	10th Gen Intel® Core™ i7-1065G7 4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W	10th Gen Intel® Core™ i5-10210U 4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W 10th Gen Intel® Core™ i5-10310U with vPro™ 4 cores, 8 threads, 1.70 → 4.40 GHz, 6MB SmartCache, 15W 10th Gen Intel® Core™ i7-10610U with vPro™ 4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W 11th Gen Intel® Core™ i3-1125G4 4 cores, 8 threads, 2.00 → 3.70 GHz, 8MB SmartCache, 28W 11th Gen Intel® Core™ i5-1135G7 4 cores, 8 threads, 2.40 → 4.20 GHz, 8MB SmartCache, 28W 11th Gen Intel® Core™ i5-1145G7 4 cores, 8 threads, 2.60 → 4.40 GHz, 8MB SmartCache, 28W 11th Gen Intel® Core™ i7-1165G7 4 cores, 8 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 28W 11th Gen Intel® Core™ i7-1185G7 4 cores, 8 threads, 3.00 → 4.80 GHz, 12MB SmartCache, 28W
Integrated Graphics	10th Gen Intel® Core™ i7-1065G7 Intel® Iris® Plus Graphics 64 Execution Units, 300 → 1100 MHz	10th Gen Intel® Core™ i5-10210U Intel® UHD Graphics 24 Execution Units, 300 → 1100 MHz 10th Gen Intel® Core™ i5-10310U with vPro™ Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz 10th Gen Intel® Core™ i7-10610U with vPro™ Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz 11th Gen Intel® Core™ i3-1125G4 Intel® UHD Graphics 48 Execution Units, 400 → 1250 MHz 11th Gen Intel® Core™ i5-1135G7 Intel® Iris® Xe Graphics 80 Execution Units, 400 → 1300 MHz 11th Gen Intel® Core™ i5-1145G7 Intel® Iris® Xe Graphics 80 Execution Units, 400 → 1300 MHz 11th Gen Intel® Core™ i7-1165G7 Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1300 MHz 11th Gen Intel® Core™ i7-1185G7 Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1350 MHz
Memory	16GB 32GB 3733 MHz LPDDR4x	Memory Info 2 x SO-DIMM slots Type: Single or Dual-Channel DDR4 Speed: 3200 MHz Memory Configurations 4GB 8GB 16GB Single Channel 8GB 16GB 32GB 64GB Dual Channel
Discrete Graphics	NVIDIA® GeForce® GTX 1660 Ti with Max-Q Turning Architecture, 6GB GDDR6, 192-bit, 1245 → 1425 MHz, 1536 CUDA Cores. NVIDIA® Quadro® RTX™ 3000 with Max-Q Turning Architecture, 6GB GDDR6, 192-bit, 765 → 1305 MHz, 1920 CUDA Cores, 240 Tensor Cores, 30 RT Cores, Real-time ray tracing, AI hardware acceleration, ODE, QNF,	-
Storage	256 GB 512 GB 1 TB 2TB PCIe SSD	Hard Drive Slot 1 x M.2 2230/2280 slot Hard Drive Configurations Up to 2TB PCIe SSD

Connectivity	Surface Book 3 15”	Dell Latitude 5420
Wi-Fi	Wi-Fi 6: IEEE 802.11 a/b/g/n/ac/ax compatible.	Intel® Wi-Fi 5 Qualcomm QCA61x4A (DW1820) Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) Bluetooh 5.0 Intel® Wi-Fi 6 AX201 2x2 802.11ax 160MHz Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) WiFi-6 (802.11ax) Bluetooth 5.1 Intel® Wi-Fi 6E AX210 2x2 802.11ax 160MHz Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) WiFi-6 (802.11ax) Bluetooth 5.2
Bluetooth	Bluetooth Wireless 5.0 technology	Bluetooth 5.0 Bluetooth 5.1 Bluetooth 5.2
More	Xbox Wireless built-in	WWAN: Intel XMM 7360 Global LTE-Advanced (DW5820e) CAT9 Transfer rate up to 450 Mbps DL/50 Mbps UL (Cat 9) Wireless standards (1,2,3,4,5,7,8,11,12,13,17,18,19,20,21,26,28,29,30,38,39,40,41,66), HSPA+ (1, 2, 4,5, 8)

Battery	Surface Book 3 15”	Dell Latitude 5420
Size	Total: 90Wh Clipboard: 23Wh Base: 67Wh	42 Wh (3-cell lithium-ion, ExpressCharge capable battery with 1-years life span) 63 Wh (4-cell lithium-ion, ExpressCharge capable battery with 1-years life span) 42 Wh (3-cell lithium-ion, Long Life Battery with 3-years life span) 63 Wh (4-cell lithium-ion, Long Life Battery with 3-years life span)
Battery Life	Up to 17.5 hours of typical device usage	-
Power Supply	127W Surface Power Supply with USB-A (7W) charging port.	65W 90W USB Type-C adapter.

Software	Surface Book 3 15”	Dell Latitude 5420
OS	For Consumer: Windows 10 Home 64-bit For Commercial: Windows 10 Pro 64-bit Free upgrade to Windows 11	Windows 10 Pro Ubuntu 20.04 Upgradable to Windows 11
Built-in Apps	Microsoft Office 365 30-days trial	Microsoft Office 30-days trial McAfee® Small Business Security 30 Day Free Trial

Camera & Audio	Surface Book 3 15”	Dell Latitude 5420
Camera	Windows Hello face authentication camera (front-facing) 5.0MP front-facing camera with 1080p HD video 8.0MP rear-facing autofocus camera with 1080p HD video	Front-facing camera 720p with 0.92 Megapixels (1280 x 720 HD) at 30 fps. 1080p with 2.07 Megapixels (1920 x 1080p FHD) at 30 fps. Optional Infrared camera For Windows Hello Facial Recognition.
Audio	Dual far-field Studio Mics Front-facing stereo speakers with Dolby Atmos® Support for Windows Sonic for Headphones Support for Dolby® Atmos for Headphones	Realtek ALC3204 with Waves MaxxAudio Pro 2 x 2W = 4W stereo speakers Dual-array microphones

Misc	Surface Book 3 15”	Dell Latitude 5420
Inking	Supports Surface Pen 4096 levels of pressure Tilt sensing Best in class latency Paper feel 0.1mm precision	-
Sensors	Ambient light sensor Proximity sensor Accelerometer Gyroscope Magnetometer	Ambient Light Sensor on the hinge-up (optional) 1 x Accelerometer (G sensor) on the system board. 1 x Accelerometer (G sensor) on the hinge-up (optional). Fingerprint Sensor IR Camera (optional)
Security	HW TPM 2.0 chip for enterprise security Enterprise-grade protection with Windows Hello face sign-in	Hardware-Based Security Trusted Platform Module (TPM) 2.0 discrete FIPS 140-2 certification for TPM TCG (Trusted Computing Group) Certification for TPM The fingerprint reader in power button tied to ControlVault 3 ControlVault 3 Advanced Authentication with FIPS 140-2 Level 3 Certification Contacted Smart Card and ControlVault 3 Contactless Smart Card, NFC, and ControlVault 3 SED SSD NVMe, SSD, and HDD (Opal and non-Opal) per SDL FIPS 201 Full Scan FPR and ControlVault 3 Data Security McAfee Small Business Security 30-day trial McAfee Small Business Security 12-months subscription, digitally delivered McAfee Small Business Security 24-months subscription, digitally delivered McAfee Small Business Security 36-months subscription, digitally delivered
In the box	Surface Book 3 15” Power supply Quick Start Guide Safety and warranty documents	-
Warranty	One-year limited hardware warranty	1 Year Hardware Warranty with Onsite/In-Home Service after Remote Diagnosis
More	Supports Surface Dial Supports both on-screen and off-screen interaction.	-

Key Features	Surface Book 3 15”	Dell Latitude 5420
At Glance	Released in Mid 2020 3:2 3.2K 15” 2160p 60Hz Weight 4.20 lb 1.91 kg Powered By Intel Core i7-1065G7 4C/8T, 1.30 → 3.90 GHz Geekbench 5 1,088 Single Core Geekbench 5 3,722 Multi-Core With integrated Intel® Iris® Plus Graphics 64 Execution Units, 300 → 1100 MHz Configurable up to 32GB 3733 MHz LPDDR4X Nvidia GeForce RTX 3000 6GB GDDR6 with Max-Q	Released in Early 2021 16:9 FHD 14” 1080p 60Hz Weight 3.09 lb 1.40 kg Up to Intel Core i7-1185G7 4C/8T, 3.00 → 4.80 GHz Geekbench 5 1,404 Single Core Geekbench 5 4,864 Multi-Core With integrated Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1350 MHz Upgradable up to 64GB 3200 MHz DDR4 Optional 4G LTE Up to Wi-Fi 6E Dual Thunderbolt™️ 4 Ports Optional IR Camera For Face Unlock Built-in Fingerprint Reader Power Button