Lenovo Legion 5/5i 15"/17" Gen 6 15ACH6/15ACH6H/17ACH6H/17ITH6H (2021)

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Lenovo Legion 5 17" (2021)
ManufacturerLenovo
Product familyLegion
Release dateJanuary 2021;
5 years ago (2021-01)
Introductory priceUSD 1799
DiscontinuedNo
Operating systemWindows 11 Pro 64
Windows 11 Home 64
Windows 10 Pro 64
Windows 10 Home 64
No operating system
CPUAMD Ryzen 5 5600H
AMD Ryzen 7 5800H
Intel Core i5-11400H
Intel Core i7-11800H
MemoryUp to 16 GB DDR4-3200 (dual-channel)
Memory slots2 DDR4 SO-DIMM slots
StorageUp to 1 TB PCIe NVMe SSD
Storage slots2x M.2 SSD slots
Removable storage4-in-1 card reader (SD, SDHC, SDXC, MMC)
DisplayScreen size: 17.3 inch
Panel type: IPS
Coating: Anti-glare
Resolution: 1920 x 1080
Aspect ratio: 16:9
Refresh rate: 144 Hz
Brightness: 300 nits
NTSC: 72 %
VRR: FreeSync
Contrast ratio: 800:1
GraphicsNvidia GeForce RTX 3060 Laptop 6 GB GDDR6
Nvidia GeForce RTX 3070 Laptop 8 GB GDDR6
SoundStereo speakers, 2W x2, Nahimic Audio
CameraHD 720p camera with camera shutter
TouchpadButtonless Mylar surface multi-touch touchpad, 69 x 104 mm (2.72 x 4.09 inches)
ConnectivityWi-Fi 6, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1
Bluetooth 5.2 (hardware ready)
DimensionsW: 398.6 millimetres (15.69 in)
D: 290 millimetres (11 in)
H: 24.3 millimetres (0.96 in) to 26.2 millimetres (1.03 in)
Mass2.98 kilograms (6.6 lb)
Power brick230W or 300W slim tip (3-pin) AC adapter
BatteryIntegrated Li-Polymer 80Wh
KeyboardWhite backlight
ChassisColor: Phantom blue (top), Shadow black (bottom)
Materials: PC + ABS (top and bottom)
Number padYes
Fingerprint readerNo
Facial recognitionNo
Special featuresDolby Vision, DC dimmer, FreeSync
WebsiteLenovo

All statements attributed to reviews are the reviewer's own opinion. Note that these claims were accurate at the time of publication and may be dated when you are reading this article. Read more.

This section was written by AI and requires review. Remove this after review.

The Lenovo Legion 5 17" (2021) is a high-performance gaming laptop designed to offer a balance between gaming and productivity. It features AMD Ryzen and Intel Core processors, Nvidia RTX 3000 series GPUs, and a 17.3-inch FHD display with a 144Hz refresh rate. The laptop is available in Phantom Blue and Shadow Black finishes and provides a robust set of features for gamers and content creators.

Primary Hardware

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Processor

The Lenovo Legion 5 17" (2021) can be configured with the following processors[1]:

  • AMD Ryzen 5 5600H with 6 cores, 12 threads, 3.3GHz base frequency, 4.2GHz max frequency, 3MB L2 / 16MB L3 cache.
  • AMD Ryzen 7 5800H with 8 cores, 16 threads, 3.2GHz base frequency, 4.4GHz max frequency, 4MB L2 / 16MB L3 cache.
  • Intel Core i5-11400H with 6 cores, 12 threads, 2.7GHz base frequency, 4.5GHz max frequency, 12MB cache.
  • Intel Core i7-11800H with 8 cores, 16 threads, 2.3GHz base frequency, 4.6GHz max frequency, 24MB cache.

The AMD Ryzen 7 5800H and Intel Core i7-11800H processors are designed to handle demanding tasks such as gaming, video editing, and 3D rendering. The Ryzen 5 5600H and Core i5-11400H offer a balance between performance and power efficiency, making them suitable for both gaming and productivity tasks.[2]

Reviewers have praised the processors for their performance in both gaming and productivity tasks. The Ryzen 7 5800H, in particular, is noted for its strong multi-core performance, making it suitable for applications that require high parallel processing power.[3]

Benchmarks:

  • Cinebench R15:
    • Ryzen 7 5800H: ~2113 points (multi-core), ~230 points (single-core)[3]
  • Cinebench R23:
    • Ryzen 7 5800H: ~12326 points (multi-core), ~1361 points (single-core)[3]
  • Geekbench 5:
    • Ryzen 7 5800H: ~7140 points (multi-core), ~1462 points (single-core)[3]
    • Ryzen 5 5600H: ~10416 points (multi-core)[2]

Graphics

The Lenovo Legion 5 17" (2021) offers the following GPU configurations[1]:

The Nvidia GeForce RTX 3060 and RTX 3070 GPUs are designed for gaming and content creation, with the RTX 3070 being the better option for higher frame rates and more demanding games. The RTX 3060 provides good performance for 1080p gaming, while the RTX 3070 is suitable for higher settings and resolutions.[3][2]

Reviewers have noted that the GPU performance is excellent for gaming, with high frame rates even at max settings. The RTX 3070, in particular, is praised for its ability to handle demanding games and applications.[3]

Benchmarks:

  • 3DMark Fire Strike Graphics:
    • RTX 3060: ~22074 points[2]
    • RTX 3070: ~26704 points[3]
  • 3DMark Time Spy Graphics:
    • RTX 3060: ~8915 points[2]
    • RTX 3070: ~10518 points[3]
  • Uniengine Superposition:
    • RTX 3070: ~6551 points (1080p Extreme), ~19183 points (1080p Medium)[3]

Memory

The Lenovo Legion 5 17" (2021) supports dual-channel memory and comes with the following configurations[1]:

  • Up to 16 GB DDR4-3200 RAM (two DDR4 SO-DIMM slots)

The memory is upgradeable, allowing users to replace the RAM for better performance. The RAM is sufficient for gaming and multitasking, with good performance in memory benchmarks.[3][2]

Benchmarks:

  • AIDA64 Memory Copy: ~38867 MB/s[2]
  • AIDA64 Memory Read: ~44282 MB/s[2]
  • AIDA64 Memory Write: ~36998 MB/s[2]

Storage

The Lenovo Legion 5 17" (2021) offers the following storage options[1]:

  • Up to 1 TB PCIe NVMe SSD
  • Supports up to two drives, 2x M.2 SSD (M.2 2242 SSD up to 512GB, M.2 2280 SSD up to 1TB)

The storage is user-replaceable, and the SSD offers fast read and write speeds. Reviewers have noted that the SSD provides good performance, though the capacity is on the lower side for a gaming laptop.[3][2]

Benchmarks:

  • Sequential Read: ~1975 MB/s[2]
  • Sequential Write: ~1591 MB/s[2]
  • AS SSD Score: ~6754 points[2]

Co-processors

The Lenovo Legion 5 17" (2021) does not include any additional co-processors.[3][2]

Input Devices

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Keyboard

The Lenovo Legion 5 17" (2021) features a 6-row chiclet keyboard with white backlighting and a numeric keypad[1]. The keyboard is praised for its good key feedback and proper spacing, though the feedback is somewhat dull.[3][2]

Touchpad

The Lenovo Legion 5 17" (2021) features a buttonless Mylar surface multi-touch touchpad measuring 69 x 104 mm (2.72 x 4.09 inches). The touchpad is responsive and supports multi-touch gestures effectively, though it is positioned too far left, leading to accidental clicks.[3][2]

Webcam

The Lenovo Legion 5 17" (2021) comes with an HD 720p camera with a physical shutter for privacy. The webcam quality is adequate for basic use but lacks color accuracy and sharpness.[3][2]

Microphone

The Lenovo Legion 5 17" (2021) includes a dual array microphone. The microphone quality is adequate for basic use but lacks advanced features for high-quality audio capture.[2]

Output Devices

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Display

The Lenovo Legion 5 17" (2021) features a 17.3-inch FHD (1920x1080) IPS display with a 144Hz refresh rate, 300 nits brightness, and 72% NTSC color gamut. The display offers good brightness and contrast, with a measured brightness of 305 nits and a contrast ratio of 1292:1.[1][2]

The display is praised for its vivid and crisp visuals, though it suffers from backlight bleeding. The display supports FreeSync and Dolby Vision, enhancing the gaming and media consumption experience.[3][2]

Benchmarks:

  • Maximum Brightness: ~305 nits[2]
  • Contrast Ratio: ~1292:1[2]
  • Color Accuracy (ΔE): ~1.87[2]

Audio

The Lenovo Legion 5 17" (2021) comes with stereo speakers, 2W x2, enhanced by Nahimic Audio. The speakers provide balanced sound but lack bass, and the maximum volume is below average.[3][2]

Benchmarks:

  • Maximum Volume: ~70 dB[3]

Connectivity

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WiFi

The Lenovo Legion 5 17" (2021) offers Wi-Fi 6 (802.11ax) and Bluetooth 5.1, with hardware readiness for Bluetooth 5.2[1]. The Wi-Fi performance is below average compared to competitors with Intel modules.[2]

Benchmarks:

  • iperf3 transmit: ~892 MBit/s[2]
  • iperf3 receive: ~650 MBit/s[2]

Bluetooth

The Lenovo Legion 5 17" (2021) includes Bluetooth 5.1, with hardware readiness for Bluetooth 5.2.[1]

SD Card Reader

The Lenovo Legion 5 17" (2021) includes a 4-in-1 card reader (SD, SDHC, SDXC, MMC). The SD card reader performs well, reaching close to 90 MB/s in sequential read benchmarks.[2]

Benchmarks:

  • Average JPG Copy Test: ~96.9 MB/s[2]
  • Maximum AS SSD Seq Read Test: ~120.2 MB/s[2]

USB

The Lenovo Legion 5 17" (2021) is equipped with the following USB ports[1]:

  • 3x USB 3.2 Gen 1
  • 1x USB 3.2 Gen 1 (Always On)
  • 1x USB-C 3.2 Gen 2 (support data transfer and DisplayPort 1.4)
  • 1x USB-C 3.2 Gen 2 (support data transfer, Power Delivery and DisplayPort 1.4)

Reviewers have noted that the port selection is good, providing ample connectivity options for peripherals.[3][2]

Display Outputs

The Lenovo Legion 5 17" (2021) includes the following display outputs[1]:

  • 1x HDMI 2.1
  • 1x USB-C with DisplayPort 1.4

The display outputs are sufficient for connecting external monitors, allowing for multi-display setups.[3][2]

Case

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The Lenovo Legion 5 17" (2021) features a plastic-based construction with a striking design. The laptop is available in Phantom Blue (top) and Shadow Black (bottom) finishes, with dimensions of 398.6 millimetres (15.69 in) x 290 millimetres (11 in) x 24.3 millimetres (0.96 in) to 26.2 millimetres (1.03 in) and a weight of around 2.98 kilograms (6.6 lb).[1]

The build quality is praised for its premium feel, though the lid is susceptible to twisting. The base is rigid enough for one-handed opening, and the hinges prevent teetering.[3][2]

Maintenance

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The Lenovo Legion 5 17" (2021) is designed to be user-serviceable to some extent. The bottom panel is secured by screws, making it relatively easy to open. However, the panel is held tightly by small and delicate plastic clips, requiring careful handling to avoid damage.[3]

Upgradeable components:[3]

  • M.2 SSD (user-replaceable)
  • RAM (user-replaceable)
  • Wi-Fi module (user-replaceable)

Cooling System

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The Lenovo Legion 5 17" (2021) features a cooling solution with three heatpipes and two fans. The cooling system is effective, keeping surface temperatures manageable even under heavy load.[3][2]

Heat

The cooling system manages heat well, with maximum surface temperatures of 51 °C (123.8 °F) during stress tests, ensuring comfort during use.[2]

Benchmarks:

  • Maximum upper side: ~51 °C[2]

Noise

The LenovoLegion 5 17" (2021) is praised for its relatively quiet operation. The laptop is quieter than similarly specced models, with a maximum noise level of 51 dB(A) during stress tests. The Quiet mode significantly reduces both CPU temperatures and noise levels.[3][2]

Benchmarks:

  • Performance mode: ~45 dB(A)[3]
  • Balanced mode: ~40 dB(A)[3]
  • Quiet mode: ~37 dB(A)[3]

Energy Management

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Power Consumption

The Lenovo Legion 5 17" (2021) ships with either a 230W or 300W slim tip (3-pin) AC adapter, depending on the configuration. The laptop is efficient in its power usage, consuming 15.6 watts at idle and up to 170 watts under load.[1][2]

Benchmarks:

  • Idle: ~15.6 W[2]
  • Load: ~170 W[2]

Battery Life

The Lenovo Legion 5 17" (2021) comes with an 80Wh Li-Polymer battery. The battery supports Rapid Charge Pro, allowing it to charge up to 50% in 30 minutes. Reviewers have noted that the battery life is decent for a gaming laptop, with around 4.5 hours of Wi-Fi web surfing and up to 9 hours of idle use.[1][2]

Benchmarks:

  • WiFi Websurfing: ~4h 23min[2]
  • Load (maximum brightness): ~1h 51min[2]
  • Idle: ~9h 45min[3]
  • Text editing: ~5h 18min[3]
  • 1080p YouTube fullscreen in Chrome: ~5h 56min[3]
  • Gaming: ~1h 20min[3]

Biometrics

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The Lenovo Legion 5 17" (2021) does not include any biometric features such as a fingerprint reader or facial recognition.[1]

Software

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The Lenovo Legion 5 17" (2021) ships with various operating systems, including Windows 11 Pro 64, Windows 11 Home 64, Windows 10 Pro 64, Windows 10 Home 64, or no operating system, depending on the configuration. The laptop comes with several preinstalled Lenovo apps and software.

Preinstalled Software

  • Lenovo Vantage: Acts as the primary control center for system vitals, lighting, power, and fan profiles.
  • Lenovo Vantage Center: For system customization and performance management.

Linux Support

The Lenovo Legion 5 17" (2021) has limited Linux support, as the laptop is primarily designed for Windows.[3]

Accessories & Warranty

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The Lenovo Legion 5 17" (2021) comes with a 230W or 300W slim tip (3-pin) AC adapter and paperwork. The laptop includes a one-year limited manufacturer warranty if purchased in the US.[1]

Reviews Summary

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Overall Sentiment

The Lenovo Legion 5 17" (2021) is considered a solid gaming laptop with good performance, a well-calibrated display, and a reasonable selection of ports. It is praised for its build quality, cooling system, and overall value, especially with the RTX 3060 models. However, it has some drawbacks, such as short battery life, a small touchpad, and average audio quality.[3][2]

Problems Summary

  • Short battery life.
  • Small touchpad.
  • Average audio quality.
  • Backlight bleeding on the display.
  • Wi-Fi performance below average compared to competitors with Intel modules.
  • No biometric features.

Links

Community Reception

Overall Sentiment

Problems Summary

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 "Lenovo Legion 5 17ACH6H Specifications" (PDF). Lenovo.
  2. ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 2.21 2.22 2.23 2.24 2.25 2.26 2.27 2.28 2.29 2.30 2.31 2.32 2.33 2.34 2.35 2.36 2.37 2.38 2.39 2.40 2.41 2.42 2.43 "Lenovo Legion 5 17 with RTX 3060 in review: Strong gaming laptop with current-gen AMD Ryzen CPU". Notebookcheck.
  3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 3.24 3.25 3.26 3.27 3.28 3.29 3.30 3.31 3.32 3.33 "Lenovo Legion 5 17 Review". UltrabookReview.
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