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Review: Dell XPS 15

by Parm Mann on 5 May 2016, 17:00

Tags: Dell (NASDAQ:DELL), Intel (NASDAQ:INTC), NVIDIA (NASDAQ:NVDA)

Quick Link: HEXUS.net/qac2l7

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Test Methodology

Comparison Laptops

System Name
Dell XPS 15
Form Factor
10.1in
15.6in
13.3in
14.0in
14.0in
12.5in
CPU
Intel Atom x5-Z8500
Intel Core i7-6700HQ
Intel Core i7-6500U
Intel Core i7-5600U
Intel Core i5-3427U
Intel Core i7-6500U
CPU Base Frequency
1.44GHz
2.6GHz
2.5GHz
2.6GHz
1.8GHz
2.5GHz
CPU Turbo Frequency
2.24GHz
3.5GHz
3.1GHz
3.2GHz
2.8GHz
3.1GHz
CPU Cores / Threads
4 / 4
4 / 8
2 / 4
2 / 4
2 / 4
2 / 4
CPU TDP / SDP
2W SDP
45W
15W TDP
15W TDP
17W TDP
15W TDP
Integrated Graphics
Intel HD
Intel HD 530
Intel HD 520
Intel HD 5500
Intel HD 4000
Intel HD 520
IGP Max Frequency
600MHz
1.05GHz
1.05GHz
950MHz
1.15GHz
1.05GHz
Discrete Graphics
-
Nvidia GeForce GTX 960M 2GB
-
-
-
-
Memory
2GB DDR3 (1x2GB)
16GB DDR4 (2x8GB)
8GB DDR3 (1x8GB)
8GB DDR3 (2x4GB)
4GB DDR3 (1x4GB)
8GB DDR4 (1x8GB)
Memory Speed
1,600MHz
2,133MHz
1,600MHz
1,600MHz
1,333MHz
2,133MHz
Memory Timings
12-15-20-34-1T
15-15-15-36-2T
11-11-11-28-1T
11-11-11-28-1T
9-9-9-24-1T
15-15-15-36-1T
Display
10.1in WXGA IPS (1,280x800)
15.6in UHD IPS (3,840x2,160)
13.3in FHD IPS (1,920x1,080)
14in QHD IPS (2,560x1,440)
14in HD+ TN (1,600x900)
12.5in FHD IPS (1,920x1,080)
Touchscreen
Yes
Yes
No
Yes
No
Yes
Battery Capacity
30Wh
84Wh
45Wh
50Wh
46Wh
44Wh
Wireless
Broadcom 802.11abgn
Dell Wireless 1830 802.11ac
Intel Dual Band Wireless-AC 8260
Intel Dual Band Wireless-AC 7265
Intel Centrino Advanced-N 6205
Intel Dual Band Wireless-AC 8260
Ethernet
-
-
-
-
-
Intel Gigabit Ethernet
Storage
64GB eMMC
512GB Samsung PM951 NVMe M.2 SSD
250GB Samsung 850 Evo SSD
256GB Samsung PM871 M.2 SSD
128GB SanDisk mSATA SSD
256GB Samsung PM871 M.2 SSD
Power Supply
10W External
130W External
40W External
65W External
90W External
45W External
Operating System
Microsoft Windows 10 (64-bit)
Microsoft Windows 10 (64-bit)
Microsoft Windows 10 (64-bit)
Microsoft Windows 10 (64-bit)
Microsoft Windows 10 (64-bit)
Microsoft Windows 10 Pro (64-bit)
Dimensions (W x D x H)
265mm x 175mm x 19mm
357mm x 235mm x 11-17mm
325mm x 219mm x 18mm
331mm x 227mm x 17.7mm
331mm x 226mm x 18.9mm
310mm x 220mm x 17.8mm
Weight
1.1kg
2.0kg
1.4kg
1.3kg
1.4kg
1.3kg
Warranty
1 Year
1 Year
3 Year
3 Year
3 Year
3 Year
Date Reviewed
November 2015
May 2016
November 2015
September 2015
-
February 2016
Price When Reviewed
£279
£1,649
£599
£1,955
£1,200
£1,165

CPU Benchmarks

HEXUS PiFast Our number-crunching PiFast test is used to benchmark the computational power of each system's CPU.
Cinebench Using Cinebench's multi-CPU render, this cross-platform benchmark stresses as many cores as possible.
HandBrake Free-to-use video encoder that stresses all CPU cores.

Memory and Storage Benchmarks

AIDA64 Benchmark that analyses memory bandwidth and latency.
CrystalDiskMark Popular free-to-use storage benchmark, used to gauge sequential performance and aggregated 4K QD32 speeds.

System Benchmarks

PCMark 8 System-wide examination run using the Home and/or Creative presets with OpenCL acceleration.
3DMark Graphics benchmark run using the Sky Diver DX11 preset.
Gaming Where applicable, a selection of modern titles are tested at various resolutions.

Miscellaneous Benchmarks

Display Datacolor's Spyder 4 Elite professional monitor analyser is used to return a quantitative assessment of display quality.
Power Consumption Noted for system-wide power draw while running the HandBrake video-transcoding test.
Temperature Average CPU temperature taken across all cores from the last five minutes of the HandBrake video-transcoding test.
Battery Life Measured while looping a high-definition movie clip with 50 per cent screen brightness and flight mode enabled.