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Samsung Galaxy Book Flex 15” vs. Alienware M15 R3: Full specs comparison

The following is a comprehensive comparison of the Samsung Galaxy Book Flex 15” and Alienware M15 R3 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Samsung Galaxy Book Flex 15” See at Amazon	Compare With Please enter device name or part of it Alienware M15 R3 See at Amazon See at Dell

Samsung Galaxy Book Flex 15” Pros

Reasons that Samsung Galaxy Book Flex 15” is better than Alienware M15 R3.

Samsung Galaxy Book Flex 15” supports a faster memory speed than the Alienware M15 R3. It supports up to 3733MHz versus 2666MHz of system memory on the Alienware M15 R3.

Memory type and speed

Samsung Galaxy Book Flex 15” - LPDDR4X

3,733 MHz

Alienware M15 R3 - DDR4

2,666 MHz

Samsung Galaxy Book Flex 15” weighed 3.35 pounds, 28% lighter than the 4.65 pounds Alienware M15 R3.

Weight	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Pound	3.35 lbs.	4.65 lbs.
Kilogram	1.52 kg	2.11 kg

Alienware M15 R3 Pros

Reasons that Alienware M15 R3 is better than Samsung Galaxy Book Flex 15”.

Intel Core i9-10980HK inside Alienware M15 R3 has a 88% better multi-core CPU performance score than the Intel Core i7-1065G7 inside Samsung Galaxy Book Flex 15”.

Geekbench 5 multi-core score

Alienware M15 R3 - Intel Core i9-10980HK

7,013

Alienware M15 R3 - Intel Core i7-10750H

5,412

Alienware M15 R3 - Intel Core i5-10300H

3,747

Samsung Galaxy Book Flex 15” - Intel Core i7-1065G7

3,722

Alienware M15 R3 supports a larger memory capacity than the Samsung Galaxy Book Flex 15”. It supports up to 32GB versus 16GB of system memory on the Samsung Galaxy Book Flex 15”.

Max system memory size

Alienware M15 R3

32 GB

Samsung Galaxy Book Flex 15”

16 GB

Prices

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

Samsung Galaxy Book Flex 15” Price
	SAMSUNG Galaxy Book2 Pro 360 2-in-1 Business Laptop (15.6" FHD AMOLED Touchscreen, Intel 12-Core i7-1260P, 16GB RAM, 1TB SSD, Active Stylus), Backlit, FP, IST USB-C Hub, Webcam, Win 11 Pro, Silver By SAMSUNG $1,029.99 $1,089.99 6% OFF	See at Amazon
	OUWEE AA-PBRN4ZU Laptop Battery Compatible with Samsung Galaxy Book Flex 15-NP950 950QCJ 930QCJ 950XCJ 930XCJ Series Notebook 15.4V 66.9Wh 4350mAh By OUWEE $69.99	See at Amazon
	SAMSUNG Galaxy Book Pro Intel Evo Platform Laptop Computer 15.6" AMOLED Screen 11th Gen Intel Core i7 Processor 16GB Memory 512GB SSD Long-Lasting Battery, Mystic Blue By SAMSUNG $999.99	See at Amazon
Alienware M15 R3 Price
	Dell Alienware m15 R3 Gaming Laptop (2020) \| 15.6" FHD \| Core i7-512GB SSD Hard Drive - 16GB RAM - 2070 Super \| 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro By Dell $1,913.06	See at Amazon
	Dell Alienware m15 R3 Gaming Laptop (2020) \| 15.6" FHD \| Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super \| 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro By Dell $2,155.30	See at Amazon
	Dell Alienware m15 R3 Gaming Laptop (2020) \| 15.6" FHD \| Core i7-2TB SSD + 2TB SSD - 16GB RAM - 2070 Super \| 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 10 Pro By Dell $2,149.36	See at Amazon

Availability	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Released	2019	2020
Release Date	Announced at Samsung Developer Conference 2019 (SDC19) Announced on October 30, 2019	Available on May 2020
Pricing	1399.99 - i7 \| 16GB RAM \| 512GB SSD	Starting at $1,499.99
Generations	-	2022 Alienware M15 R7 2021 Alienware M15 R6 2021 Alienware M15 R5 2021 Alienware M15 R4 2020 Alienware M15 R3 2019 Alienware M15 R2 2019 Alienware M15 R1

Exterior	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Dimensions	13.98 x 8.94 x 0.59" (355 x 227.2 x 14.9 mm)	Base Width: 14.19 in. (360.30 mm) Depth: 10.87 in. (276.20 mm) Height: 0.72 - 0.78 in. (18.30 - 19.70 mm) 300 Hz Refresh Rate Models Width: 14.19 in. (360.30 mm) Depth: 10.86 in. (275.90 mm) Height: 0.70 - 0.78 in. (17.90 - 19.70 mm)
Weight	3.35 lbs (1.52 kg) Integrated graphics model 3.46 lbs (1.57 kg) Discrete graphics model	Starting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)
Colors	Royal Blue	Dark Side of the Moon with High Endurance Clear Coat Lunar Light with High Endurance Clear Coat
Keyboard and Trackpad	Full size, backlit chiclet keyboard The fingerprint sensor next to the arrow keys of the keyboard. Precise Glass Touchpad Wireless PowerShare with Microsoft Precision Touchpad support.	Keyboard Alienware mSeries 4-Zone AlienFX RGB keyboard. Alienware mSeries keyboard with per-key RGB LED. AlienFX lighting Includes anti-ghosting and N-key rollover technology 1.7mm key travel 0.2mm-dish concave key design 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.

Display

Samsung Galaxy Book Flex 15”

Alienware M15 R3

Size

15.6 Inches

Info

Resolution: 1920 x 1080
Aspect Ratio: 16:9
Panel Type: QLED

Full HD with 144Hz refresh rate

1920 x 1080, 141 PPI, 7ms response time, 300 nits, 16:9, 72% NTSC color gamut, Anti-glare.

Full HD with 144Hz refresh rate

1920 x 1080, 141 PPI, 7ms response time, 300 nits, 16:9, 72% NTSC color gamut with NVIDIA G-SYNC Technology, Anti-glare.

Full HD with 300Hz refresh rate

1920 x 1080, 141 PPI, 3ms response time, 300 nits, 16:9, 100% sRGB color gamut, Anti-glare.

Ultra HD with 60Hz refresh rate

3180 x 2160, OLED, 282 PPI, 1ms response time, 400 nits, 16:9, HDR-400 100% DCI-P3 color gamut, 100,000:1 contrast ratio, TrueLife, 14.80W max power consumption
Tobii Eyetracking technology

All options

Wide Viewing Angles on all displays with 85 degrees viewing from all directions

Ports	Samsung Galaxy Book Flex 15”	Alienware M15 R3
2 x USB Type-C with Thunderbolt 3 Supports Power Delivery and DisplayPort. 1 x USB Type-C 3.1 Supports Power Delivery and DisplayPort. 1 x S Pen Storage 1 x UFS & MicroSDXC card reader (up to 2TB) 1 x Headphone out/Mic-in Combo	Image Source: Dell 1 x Power/DC-in Port 1 x RJ-45 Killer™ Ethernet E3000 10/100/1000Mbps/2.5Gbps Port 2 x Type-A USB 3.1 Gen 1 Port 1 x Type-A USB 3.1 Gen 1 port with PowerShare technology 1 x Thunderbolt™ 3 Port (USB Type-C™ with support for USB 3.1 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2) 1 x Alienware Graphics Amplifier Port 1 x HDMI 2.0b with HDCP 2.2 Output Port 1 x Mini-Display Port 1.4 (certified) Output Port 1 x Audio Out 1/8" Ports (Compatible with inline mic headset) 1 x Wedge-shaped lock slot (cable and lock sold separately) 1 x microSD 5.1, UHD-II HD312 Card Reader

Internal Specs	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Processor	10th Gen Intel® Core™ i7-1065G7 4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W	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™ i9-10980HK 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics	10th Gen Intel® Core™ i7-1065G7 Intel® Iris® Plus Graphics 64 Execution Units, 300 → 1100 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™ i9-10980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz
Memory	Memory Slots Onboard Memory Memory Configurations Memory Size: Up to 16 GB Memory Speed: 3733 MHz	8 GB 16 GB 32 GB 2666 MHz Dual-channel DDR4 RAM. Onboard memory.
Discrete Graphics	NVIDIA® GeForce® MX250 (2GB GDDR5 VRAM)	NVIDIA® GeForce GTX® 1650 Ti (4GB GDDR6) NVIDIA® GeForce GTX® 1660 Ti (6GB GDDR6) NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) OC Ready NVIDIA® GeForce RTX™ 2070 (8GB GDDR6) NVIDIA® GeForce RTX™ 2070 SUPER (8GB GDDR6) NVIDIA® GeForce RTX™ 2080 SUPER (8GB GDDR6) with Max-Q Design AMD RX5500M (4GB GDDR6)
Storage	Hard Drive Slots 1 x M.2 2230/2280 PCIe SSD slot Hard Drive Configurations Up to 1TB M.2 NVMe PCIe SSD	Available Slots One M.2 2230 slot (Up to 512GB) Two M.2 2230/2280 slots (Up to 2TB each) Single Drive 256 GB PCIe M.2 SSD 512 GB PCIe M.2 SSD 1 TB PCIe M.2 SSD 2 TB PCIe M.2 SSD RAID-0 512GB (2x256 PCIe M.2 SSD) RAID0 1TB (2x 512 PCIe M.2 SSD) RAID0 2TB (2x 1TB PCIe M.2 SSD) RAID0 4TB (2x 2TB PCIe M.2 SSD) RAID0 RAID-0 Plus 1TB (2x 512GB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage] 2TB (2x 1TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage] 4TB (2x 2TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]

Connectivity	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Wi-Fi	Wi-Fi 6 (802.11 ax 2X2)	Rivet Killer Wi-Fi 6 AX1650 Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.
Bluetooth	Bluetooth® v5.0	Rivet Killer Wi-Fi 6 AX1650 › Bluetooth 5.1
Ethernet	-	Killer™ Ethernet E3000 PCI-e Gigabit ethernet controller Transfer rate: 10/100/1000/2500 Mbps

Battery	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Size	69.7 Wh	56 WHr, 3-cell smart lithium-ion 86 WHr, 6-cell smart lithium-ion
Battery Life	19 hours	-
Power Supply	65W Power Adapter	E4 130W (19.50 VDC/6.70A) E4 180W (19.50 VDC/9.23A) E4 240W (19.50 VDC/12.31A) * Support Hybrid Power

Software	Samsung Galaxy Book Flex 15”	Alienware M15 R3
OS	Windows 10 Home Windows 10 Pro	Windows 10 Home Windows 10 Pro Upgradable to Windows 11
Built-in Apps	Link Sharing Live Message Live Wallpaper McAfee Live Safe (60 days trial) Samsung Gallery Quick Search Samsung DeX Samsung Flow Samsung Notes Samsung Recovery Samsung Settings Studio Plus Samsung Update teamPL	Alienware Command Center Alienware Adrenlin Alienware Mobile Connect Microsoft Office 365 (30-day trial)

Camera & Audio	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Camera	HD front-facing camera	Front-facing camera Alienware FHD (1920x1080 resolution) camera.
Audio	AKG Stereo Speakers Smart Amp (Max 5 W x 2) Internal Digital Mic	Controller: Realtek ALC3281-CG 7.1 Digital Audio out using HDMI out connection Alienware Sound Center via Alienware Command Center Speakers: 4-Way (Woofer/Tweeter) Stereo Speaker Design Output: 4-5W Introduces Discrete Smart Amp Woofer technology Delivers 2.5x bass improvement over the previous generation Delivers 2x treble improvement over the previous generation Delivers 30% loudness improvement over the previous generation for full-range performance Microphone: Digital-array microphones in camera assembly

Misc	Samsung Galaxy Book Flex 15”	Alienware M15 R3
Inking	Yes (Built-in S Pen)	-
Sensors	Fingerprint sensor	Tobii Eyetracking technology (optional)
Security	TPM Fingerprint Reader	Wedge-shaped lock slot
In the box	Samsung Galaxy Book Flex 13 AC adapter (wall mount) Quickstart Guide (paper) Ejection pin S Pen nib Tweezers	-
Warranty	1-year limited warranty	-
More	-	CHASIS Based on Alienware's Legend industrial design language Engineered with Alienware's Advanced Cryo-Tech Cooling technology Engineered with HyperEfficient Voltage Regulation Constructed with a Magnesium Alloy exterior shell and copper alloy thermal components

Key Features	Samsung Galaxy Book Flex 15”	Alienware M15 R3
At Glance	Released in Late 2019 16:9 FHD 15.6” 1080p 60Hz Weight 3.35 lb 1.52 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 16GB 3733 MHz LPDDR4X Nvidia GeForce MX250 2GB GDDR5	Released in Mid 2020 16:9 FHD 15.6” 1080p 300Hz Weight 4.65 lb 2.11 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 Configurable up to 32GB 2666 MHz DDR4 Nvidia GeForce RTX 2080 SUPER 8GB GDDR6 with Max-Q