Lenovo Legion 5i Gen 10 (15IAX10, 83F00012CF) / Razer Blade 14 (2025) RTX 5070

Lenovo Legion 5i Gen 10 (15IAX10, 83F00012CF): 83F00012CF: Intel Core Ultra 7 255HX, GeForce RTX 5050 Laptop GPU 8 GB (115 W), 1 × 16 GB DDR5-5600, 1 TB SSD, 15.1-inch 2560 × 1600 OLED 165 Hz, Eclipse Black, French/English keyboard. 15IAX10 configurations with the RTX 5060/5070 and the Legion 5i 15IRX10 with Core i7-13650HX/14700HX are separate models.

Razer Blade 14 (2025) RTX 5070: Blade 14 (2025, RZ09-0530 family) configuration with Ryzen AI 9 365 and RTX 5070 Laptop GPU; the black 32 GB / 1 TB model at Best Buy Canada is RZ09-05306ES3-R3U1. Versions with the RTX 5060 Laptop GPU, 16 or 64 GB, and the Blade 14 (2024, RZ09-0508) are separate.

SpecificationLenovo Legion 5i Gen 10 (15IAX10, 83F00012CF)Razer Blade 14 (2025) RTX 5070
Release year20252025
ProcessorIntel Core Ultra 7 255HX; 20 cores (8 performance + 12 efficiency), 20 threads, up to 5.2 GHz, 30 MB Intel Smart Cache

The Intel AI Boost NPU, rated at up to 13 TOPS, is built into the processor.

Lenovo		AMD Ryzen AI 9 365 (10 cores / 20 threads, up to 5.0 GHz); 50 TOPS NPU

The NPU runs Copilot+ AI features at low power, separately from the CPU and GPU.

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GraphicsNVIDIA GeForce RTX 5050 Laptop GPU, 8 GB GDDR7; 2662 MHz boost, 115 W TGP, 440 AI TOPS

115 W TGP is among the higher power limits used for this GPU in laptops; the same RTX 5050 runs at lower power in thinner chassis. The graphics chip is soldered. Lenovo also offers the RTX 5060 and 5070 Laptop GPU in this chassis at 115 W.

Lenovo		NVIDIA GeForce RTX 5070 Laptop GPU; 8 GB GDDR7; 100 W sustained TGP, 115 W with Dynamic Boost

The RTX 5070 Laptop is the strongest option in the Blade 14; RTX 5060 Laptop versions are also sold. Dynamic Boost shifts 15 W of the power budget to the GPU when CPU load is low. G-Sync is enabled in the NVIDIA Control Panel.

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Display15.1-inch WQXGA (2560 × 1600) OLED; 165 Hz, 500 nits typical / 1000 nits peak, 100% DCI-P3, glossy surface, DisplayHDR True Black 600, Dolby Vision

DisplayHDR True Black 600 is the VESA tier verifying 600-nit peak brightness and very low black level on OLED panels. The panel is factory colour-calibrated and TÜV-certified for low blue light and flicker-free operation; it is not a touchscreen. The platform sheet does not list G-SYNC for this panel.

Lenovo		14-inch 3K (2880 × 1800) OLED, 16:10; 120 Hz; 0.2 ms response time; Calman Verified colour profiles

Ready profiles for Rec. 709, DCI-P3, sRGB and Adobe RGB lock the screen to that colour space for colour-critical work. 120 Hz is lower than the previous 240 Hz IPS, but OLED response is very fast.

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Memory16 GB (1 × 16 GB) DDR5-5600 SO-DIMM; 2 slots, dual-channel capable

With one module fitted at the factory, memory runs in single channel; adding a matching module to the free slot enables dual channel. The highest capacity Lenovo has tested is 32 GB.

Lenovo		LPDDR5X 8000 MHz, up to 64 GB; soldered (cannot be upgraded later)

The Best Buy Canada configuration on this page has 32 GB; memory must be chosen at purchase.

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Storage1 TB M.2 2242 PCIe 4.0 x4 NVMe SSD; 2 × M.2 2280 PCIe 4.0 x4 slots

A second SSD can be fitted in the free M.2 slot.

Lenovo		PCIe 4.0 NVMe SSD (up to 2 TB); single M.2 slot, upgradable to a single-sided drive up to 4 TB

There is no second SSD slot; upgrading replaces the existing drive. Double-sided M.2 drives may not fit the thin chassis.

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Ports1 × Thunderbolt 4 / USB4 40 Gbps USB-C (DisplayPort 2.1), 1 × USB-C 10 Gbps (USB PD 95–100 W, DisplayPort 2.1), 3 × USB-A 5 Gbps (one always on), 1 × HDMI 2.1 (up to 8K 60 Hz), 1 × RJ-45 gigabit Ethernet, 3.5 mm headset jack, slim-tip power input

USB-C charging works only through the 10 Gbps port; the Thunderbolt 4 port does not accept power. Up to 3 external displays are supported alongside the built-in panel: HDMI up to 8K 60 Hz, USB-C up to 5K 60 Hz. There is no SD card reader.

Lenovo		2 × USB4 Type-C (PD 3.0, up to 100 W charging); 2 × USB 3.2 Gen 2 Type-A; HDMI 2.1; UHS-II microSD; 3.5 mm audio; security lock slot

The USB4 ports also work with Thunderbolt 4 docks and accessories. 100 W USB-C charging needs a 20 V capable adapter and does not replace the 200 W adapter for gaming.

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WirelessWi-Fi 7 (802.11be) 2 × 2, Bluetooth 5.4 LenovoWi-Fi 7; Bluetooth 5.4 Razer
Battery and power80 Wh lithium-ion; 245 W slim-tip adapter, Super Rapid Charge

Lenovo rates battery life at 4.4 hours in MobileMark 30 and 10.8 hours in local 1080p video playback. Super Rapid Charge goes from 0 to 30% in 10 minutes and to 70% in 30 minutes; the battery must be at least 10 °C while charging.

Lenovo		—
Keyboard and touchpad24-zone RGB backlit keyboard (French/English); 75 × 120 mm buttonless Mylar-surface touchpad Lenovo—
Audio, camera and security2 × 2 W HARMAN speakers, Nahimic Audio; 5 MP camera with e-shutter; firmware TPM 2.0

This model has no IR camera or fingerprint reader, so Windows Hello biometric sign-in is not supported.

Lenovo		—
ChassisEclipse Black; aluminium lid (sandblasted anodised), PC-ABS plastic bottom LenovoCNC-milled, anodised T6 aluminium unibody Razer
Operating systemWindows 11 Home (French/English) Lenovo—
Size and weight344.9 × 255.35 × 19.95–21.54 mm; from 1.9 kg Lenovo15.8–16.2 mm thick; about 1.63 kg Razer
Certifications and warrantyENERGY STAR 9.0, EPEAT Gold; 1-year courier or carry-in warranty on the Canadian model

Warranty length varies by country.

Lenovo		—
Cooling—Vapor chamber, dual fans, thermal hood cover, 0.05 mm fins; Honeywell PTM7958 thermal gel

The phase-change thermal gel is used to keep heat transfer between the chip and heatsink stable over time without drying out.

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Battery and charging—72 Wh; about 50% in 30 minutes with the 200 W adapter; Battery Health Optimizer in Synapse

Battery Health Optimizer lowers the charge limit for always-plugged-in use to reduce long-term battery wear. Razer quotes up to 11 hours of battery life.

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Audio and camera—Six speakers (four upward, two downward firing); 1080p IR webcam (Windows Hello) Razer
Keyboard—Per-key RGB lighting; Snap Tap via Synapse 4

Snap Tap prioritises the most recent of two selected keys, speeding up direction changes in games.

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Warranty—1-year manufacturer warranty; 2-year limited battery warranty

Drops and spills are not covered by the standard warranty; RazerCare plans are sold separately.

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