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 i7-6820HK  | 
      Intel Core i7-6820HK  | 
      Intel Core i5-6300HQ  | 
      Intel Core i5-7300HQ  | 
    
| CPU Base Frequency | 2.7GHz  | 
      2.7GHz  | 
      2.3GHz  | 
      2.5GHz  | 
    
| CPU Turbo Frequency | 4.0GHz  | 
      3.8GHz  | 
      3.2GHz  | 
      3.5GHz  | 
    
| CPU Cores / Threads | 4 / 8  | 
      4 / 8  | 
      4 / 4  | 
      4 / 4  | 
    
| CPU TDP | 45W  | 
      45W  | 
      45W  | 
      45W  | 
    
| Memory | 64GB DDR4 (4x16GB)  | 
      64GB DDR4 (4x16GB)  | 
      8GB DDR4 (1x8GB)  | 
      12GB DDR4 (8GB + 4GB)  | 
    
| Memory Speed | 2,400MHz at 17-17-17-39-2T  | 
      2,400MHz at 17-17-17-39-2T  | 
      2,133MHz at 15-15-15-36-2T  | 
      2,400MHz at 17-17-17-39-2T  | 
    
| Integrated GPU | -  | 
      -  | 
      -  | 
      Intel HD 630  | 
    
| Dedicated GPU(s) | Nvidia GeForce GTX 1080 8GB  | 
      Nvidia GeForce GTX 1070 8GB  | 
      Nvidia GeForce GTX 1060 6GB  | 
      Nvidia GeForce GTX 1050 4GB  | 
    
| Display | 17.3in AUO119D Full-HD IPS (1,920x1,080)  | 
      17.3in LGD04E8 Full-HD IPS (1,920x1,080)  | 
      17.3in LGD04E8 Full-HD IPS (1,920x1,080)  | 
      17.3in LGD04E8 Full-HD IPS (1,920x1,080)  | 
    
| Battery Capacity | 93Wh  | 
      88Wh  | 
      76Wh  | 
      48Wh  | 
    
| Wireless | Intel Dual Band Wireless-AC 8260  | 
      Intel Dual Band Wireless-AC 8260  | 
      Intel Dual Band Wireless-AC 7265  | 
      Intel Dual Band Wireless-AC 7265  | 
    
| Network | Realtek Gigabit Ethernet  | 
      Realtek Gigabit Ethernet  | 
      Realtek Gigabit Ethernet  | 
      Realtek Gigabit Ethernet  | 
    
| Primary Storage | 2 x 512GB Toshiba XG3 M.2 SSDs in RAID 0  | 
      512GB Toshiba XG3 M.2 SSD  | 
      128GB Samsung CM871A M.2 SSD  | 
      128GB SanDisk Z400s M.2 SSD  | 
    
| Secondary Storage | -  | 
      1TB HGST Travelstar 2.5in HDD  | 
      1TB HGST Travelstar 2.5in HDD  | 
      1TB HGST Travelstar 2.5in HDD  | 
    
| Optical Drive | -  | 
      Blu-ray reader  | 
      -  | 
      DVD writer  | 
    
| Power Supply | 330W External  | 
      230W External  | 
      180W External  | 
      120W 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) | 429mm x 309mm x 35mm   | 
      416mm x 322mm x 49mm  | 
      415mm x 280mm x 25mm  | 
      415mm x 273mm x 30mm  | 
    
| Weight | 3.8kg  | 
      4.3kg  | 
      2.7kg  | 
      3.0kg  | 
    
| Standard Warranty | Two years  | 
      Two years  | 
      Two years  | 
      Two years  | 
    
| Date Reviewed | February 2017  | 
      August 2016  | 
      January 2017  | 
      June 2017  | 
    
| Price When Reviewed | £3,100  | 
      £2,300  | 
      £1,200  | 
      £1,100  | 
    
Comparison Laptops - Part Two | 
    ||||
|---|---|---|---|---|
| System Name | ||||
| Form Factor | 17.3in  | 
      17.3in  | 
      17.3in  | 
      18.4in  | 
    
| CPU | Intel Core i7-6820HK  | 
      Intel Core i7-6700HQ  | 
      Intel Core i7-7700HQ  | 
      Intel Core i7-6920HQ  | 
    
| CPU Base Frequency | 2.7GHz  | 
      2.6GHz  | 
      2.8GHz  | 
      2.9GHz  | 
    
| CPU Turbo Frequency | 3.6GHz  | 
      3.5GHz  | 
      3.8GHz  | 
      3.8GHz  | 
    
| CPU Cores / Threads | 4 / 8  | 
      4 / 8  | 
      4 / 8  | 
      4 / 8  | 
    
| CPU TDP | 45W  | 
      45W  | 
      45W  | 
      45W  | 
    
| Memory | 32GB DDR4 (2x16GB)  | 
      16GB DDR4 (2x8GB)  | 
      16GB DDR4 (2x8GB)  | 
      64GB DDR4 (4x16GB)  | 
    
| Memory Speed | 2,666MHz at 18-18-18-43-2T  | 
      2,133MHz at 15-15-15-36-2T  | 
      2,400MHz at 17-17-17-39-2T  | 
      2,133MHz at 15-15-15-36-2T  | 
    
| Integrated GPU | -  | 
      Intel HD 530  | 
      -  | 
      -  | 
    
| Dedicated GPU(s) | Nvidia GeForce GTX 1070 8GB  | 
      Nvidia GeForce GTX 970M 3GB  | 
      Nvidia GeForce GTX 1070 8GB  | 
      2x Nvidia GeForce GTX 980 8GB  | 
    
| Display | 17.3in SHP145E UHD IPS (3,840x2,160)  | 
      17.3in LGD0469 Full-HD IPS (1,920x1,080)  | 
      17.3in CMN1747 Full-HD TN (1,920x1,080)  | 
      18.4in SDC4C48 Full-HD IPS (1,920x1,080)  | 
    
| Battery Capacity | 74Wh  | 
      76Wh  | 
      83Wh  | 
      75Wh  | 
    
| Wireless | Intel Dual Band Wireless-AC 8260  | 
      Intel Dual Band Wireless-AC 8260  | 
      Killer Wireless-AC 1435  | 
      Killer Wireless-AC 1535  | 
    
| Network | Intel Gigabit Ethernet  | 
      Realtek Gigabit Ethernet  | 
      Killer E2500 Gigabit Ethernet  | 
      Killer E2400 Gigabit Ethernet  | 
    
| Primary Storage | 256GB Samsung SM951  M.2 SSD  | 
      256GB LiteOn L8T-256L9G M.2 SSD  | 
      256GB Samsung SM951  M.2 SSD  | 
      2 x 256GB Toshiba XG3 M.2 SSDs in RAID 0  | 
    
| Secondary Storage | 1TB Seagate Spinpoint 2.5in HDD  | 
      1TB HGST Travelstar 2.5in HDD  | 
      1TB HGST Travelstar 2.5in HDD  | 
      1TB HGST Travelstar 2.5in HDD  | 
    
| Optical Drive | -  | 
      DVD writer  | 
      DVD writer  | 
      LG Blu-ray writer  | 
    
| Power Supply | 240W External  | 
      180W External  | 
      230W External  | 
      330W 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) | 408mm x 296mm x 26.6mm  | 
      421mm x 290mm x 24.9mm  | 
      428mm x 294mm x 48mm  | 
      456mm x 330mm x 49mm  | 
    
| Weight | 4.1kg  | 
      3.0kg  | 
      3.8kg  | 
      4.5kg  | 
    
| Standard Warranty | Two years  | 
      Two years  | 
      Two years  | 
      Two years  | 
    
| Date Reviewed | November 2016  | 
      February 2016  | 
      May 2017  | 
      March 2016  | 
    
| Price When Reviewed | £2,900  | 
      £1,350  | 
      £1,999  | 
      £3,990  | 
    
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 | DX11, default Fire Strike 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. | |||||||||||
