Test Methodology
Comparison Laptops - Part One |
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|---|---|---|---|---|
| System Name | ||||
| Form Factor | 17.3in |
17.3in |
17.3in |
17.3in |
| CPU | Intel Core i7-7820HK |
Intel Core i7-7820HK |
Intel Core i7-6820HK |
Intel Core i7-6820HK |
| CPU Base Frequency | 2.9GHz |
2.9GHz |
2.7GHz |
2.7GHz |
| CPU Turbo Frequency | 4.3GHz |
4.3GHz |
4.0GHz |
3.8GHz |
| CPU Cores / Threads | 4 / 8 |
4 / 8 |
4 / 8 |
4 / 8 |
| CPU TDP | 45W |
45W |
45W |
45W |
| Memory | 16GB DDR4 (2x8GB) |
32GB DDR4 (2x16GB) |
64GB DDR4 (4x16GB) |
64GB DDR4 (4x16GB) |
| Memory Speed | 2,400MHz at 16-16-16-39-2T |
2,400MHz at 16-16-16-39-2T |
2,400MHz at 17-17-17-39-2T |
2,400MHz at 17-17-17-39-2T |
| Integrated GPU | - |
- |
- |
- |
| Dedicated GPU(s) | Nvidia GeForce GTX 1070 8GB |
2x Nvidia GeForce GTX 1070 8GB |
Nvidia GeForce GTX 1080 8GB |
Nvidia GeForce GTX 1070 8GB |
| Display | 17.3in AUO1496 QHD TN (2,560x1,440) |
17.3in AUO1396 QHD TN (2,560x1,440) |
17.3in AUO119D Full-HD IPS (1,920x1,080) |
17.3in LGD04E8 Full-HD IPS (1,920x1,080) |
| Battery Capacity | 94Wh |
94Wh |
93Wh |
88Wh |
| Wireless | Killer Wireless-AC 1535 |
Killer Wireless-AC 1535 |
Intel Dual Band Wireless-AC 8260 |
Intel Dual Band Wireless-AC 8260 |
| Network | Killer E2500 Gigabit Ethernet |
Killer E2500 Gigabit Ethernet |
Realtek Gigabit Ethernet |
Realtek Gigabit Ethernet |
| Primary Storage | 256GB Samsung SM961 SSD |
512GB Samsung SM961 SSD |
2 x 512GB Toshiba XG3 SSDs in RAID 0 |
512GB Toshiba XG3 SSD |
| Secondary Storage | 1TB HGST Travelstar HDD |
- |
- |
1TB HGST Travelstar HDD |
| Optical Drive | - |
- |
- |
Blu-ray reader |
| Power Supply | 230W External |
330W External |
330W External |
230W External |
| Operating System | Microsoft Windows 10 64-bit |
Microsoft Windows 10 64-bit |
Microsoft Windows 10 64-bit |
Microsoft Windows 10 64-bit |
| Dimensions (W x D x H) | 428mm x 305mm x 22.9mm |
428mm x 314mm x 29.9mm |
429mm x 309mm x 35mm |
416mm x 322mm x 49mm |
| Weight | 3.2kg |
3.6kg |
3.8kg |
4.3kg |
| Standard Warranty | Two years |
Two years |
Two years |
Two years |
| Date Reviewed | July 2017 |
October 2017 |
February 2017 |
August 2016 |
| Price When Reviewed | £2,500 |
£3,300 |
£3,100 |
£2,300 |
Comparison Laptops - Part Two |
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|---|---|---|---|---|
| System Name | ||||
| Form Factor | 17.3in |
17.3in |
17.3in |
17.3in |
| CPU | Intel Core i5-6300HQ |
Intel Core i5-7300HQ |
Intel Core i7-6820HK |
Intel Core i7-7700HQ |
| CPU Base Frequency | 2.3GHz |
2.5GHz |
2.7GHz |
2.8GHz |
| CPU Turbo Frequency | 3.2GHz |
3.5GHz |
3.6GHz |
3.8GHz |
| CPU Cores / Threads | 4 / 4 |
4 / 4 |
4 / 8 |
4 / 8 |
| CPU TDP | 45W |
45W |
45W |
45W |
| Memory | 8GB DDR4 (1x8GB) |
12GB DDR4 (8GB + 4GB) |
32GB DDR4 (2x16GB) |
16GB DDR4 (2x8GB) |
| Memory Speed | 2,133MHz at 15-15-15-36-2T |
2,400MHz at 17-17-17-39-2T |
2,666MHz at 18-18-18-43-2T |
2,400MHz at 17-17-17-39-2T |
| Integrated GPU | - |
Intel HD 630 |
- |
- |
| Dedicated GPU(s) | Nvidia GeForce GTX 1060 6GB |
Nvidia GeForce GTX 1050 4GB |
Nvidia GeForce GTX 1070 8GB |
Nvidia GeForce GTX 1070 8GB |
| Display | 17.3in LGD04E8 Full-HD IPS (1,920x1,080) |
17.3in LGD04E8 Full-HD IPS (1,920x1,080) |
17.3in SHP145E UHD IPS (3,840x2,160) |
17.3in CMN1747 Full-HD TN (1,920x1,080) |
| Battery Capacity | 76Wh |
48Wh |
74Wh |
83Wh |
| Wireless | Intel Dual Band Wireless-AC 7265 |
Intel Dual Band Wireless-AC 7265 |
Intel Dual Band Wireless-AC 8260 |
Killer Wireless-AC 1435 |
| Network | Realtek Gigabit Ethernet |
Realtek Gigabit Ethernet |
Intel Gigabit Ethernet |
Killer E2500 Gigabit Ethernet |
| Primary Storage | 128GB Samsung CM871A SSD |
128GB SanDisk Z400s SSD |
256GB Samsung SM951 SSD |
256GB Samsung SM951 SSD |
| Secondary Storage | 1TB HGST Travelstar HDD |
1TB HGST Travelstar HDD |
1TB Seagate Spinpoint HDD |
1TB HGST Travelstar HDD |
| Optical Drive | - |
DVD writer |
- |
DVD writer |
| Power Supply | 180W External |
120W External |
240W External |
230W External |
| Operating System | Microsoft Windows 10 64-bit |
Microsoft Windows 10 64-bit |
Microsoft Windows 10 64-bit |
Microsoft Windows 10 64-bit |
| Dimensions (W x D x H) | 415mm x 280mm x 25mm |
415mm x 273mm x 30mm |
408mm x 296mm x 26.6mm |
428mm x 294mm x 48mm |
| Weight | 2.7kg |
3.0kg |
4.1kg |
3.8kg |
| Standard Warranty | Two years |
Two years |
Two years |
Two years |
| Date Reviewed | January 2017 |
June 2017 |
November 2016 |
May 2017 |
| Price When Reviewed | £1,200 |
£1,100 |
£2,900 |
£2,000 |
CPU Benchmarks |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
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| 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. | |||||||||||
Gaming Benchmarks |
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| 3DMark | DX12, Time Spy test. | |||||||||||
| Gaming | A selection of modern titles are tested at various resolutions. | |||||||||||
Miscellaneous Benchmarks |
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| Display | Datacolor's Spyder 4 Elite professional monitor analyser is used to return a quantitative assessment of display quality. | |||||||||||
| Power Consumption | Noted for system idling, under HandBrake video-transcoding load, and whilst playing Dirt Rally. | |||||||||||
| Temperature | Noted for CPU idling, under HandBrake video-transcoding load, and whilst playing Dirt Rally. | |||||||||||
| Battery Life | Measured while looping a high-definition movie clip with 50 per cent screen brightness and flight mode enabled. | |||||||||||