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Legion 5i Gen 11 RTX 5070 (2026) vs Stealth 16 AI+ B3 RTX 5080 (2026)

Lenovo Legion 5i Gen 11 RTX 5070 (2026) vs MSI Stealth 16 AI+ B3 RTX 5080 (2026)

What Legion 5i Gen 11 RTX 5070 (2026) does better (9) and where Stealth 16 AI+ B3 RTX 5080 (2026) wins (18) — every spec side by side.

Lenovo · 2026Legion 5i Gen 11 RTX 5070 (2026)

9.2Score

9 advantages

Higher score

MSI · 2026Stealth 16 AI+ B3 RTX 5080 (2026)

9.0Score

18 advantages≈ $4,100

8.7Graphics9.5

9.0Overall performance9.4

9.2Display9.0

9.2Memory & storage5.0

4.6Battery & portability5.0

7.0Features & cooling6.1

Dimensions

Size comparison

Legion 5i Gen 11 RTX 5070 (2026)Stealth 16 AI+ B3 RTX 5080 (2026)

	Legion 5i Gen 11 RTX 5070 (2026)	Stealth 16 AI+ B3 RTX 5080 (2026)	Difference
Depth	244.5 mm	246 mm	−1.5 mm
Width	344 mm	354 mm	−10 mm
Thickness	19.9 mm	20 mm	−0.1 mm
Weight	1.9 kg	2 kg	−0.1 kg

Drawn to the same scale from the official dimensions (front and side).

Why is Legion 5i Gen 11 RTX 5070 (2026) better than Stealth 16 AI+ B3 RTX 5080 (2026)?

RAM (up to)64 GB vs 32 GB2×
SSD (up to)4,096 GB vs 1,000 GB4.1×
Weight1.87 kg vs 1.99 kg+6%
G-Sync / FreeSyncYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
HDRYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
USB-A ports3 vs 2+50%
Webcam1,440p vs 1,080p+33%
Fan noise (max. load)51.9 dB vs 56.7 dB+9%
Pixel density197 ppi vs 189 ppi+4%

Why is Stealth 16 AI+ B3 RTX 5080 (2026) better than Legion 5i Gen 11 RTX 5070 (2026)?

3DMark Steel Nomad Light13,371 vs 21,645+62%
Refresh rate165 Hz vs 240 Hz+45%
Battery capacity80 Wh vs 90 Wh+12%
GPU power (TGP)115 W vs 125 W+9%
GPU shader cores4,608 vs 7,680+67%
GPU compute (FP32)26.2 TFLOPS vs 32 TFLOPS+22%
RAM (base)8 GB vs 32 GB4×
Geekbench 6 multi-core15,924 vs 16,973+7%
Video memory12 GB vs 16 GB+33%
Max. supported RAM64 GB vs 128 GB2×
Brightness500 nits vs 600 nits+20%
SSD (base)512 GB vs 1,000 GB+95%

Specifications

Side by side

Only differences	Lenovo Legion 5i Gen 11 RTX 5070 (2026)9.2	MSI Stealth 16 AI+ B3 RTX 5080 (2026)≈ $4,1009.0
Graphics
Graphics card	GeForce RTX 5070 Laptop	GeForce RTX 5080 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	115 W	125 W
Video memory	12 GB	16 GB
Video memory type	GDDR7	GDDR7
GPU shader cores	4,608	7,680
GPU compute (FP32)	26.2 TFLOPS	32 TFLOPS
3DMark Steel Nomad Light	13,371	21,645
Processor
Processor	Core Ultra 7 356H	Core Ultra 9 386H
CPU maker	Intel	Intel
CPU cores	16	16
CPU threads	16	16
Max CPU clock	4.7 GHz	4.9 GHz
Processor options	Core Ultra 7 251HX, Core Ultra 7 356H, Core Ultra 9 386H, Core Ultra 9 290HX Plus	Core Ultra 9 386H
Geekbench 6 multi-core	15,924	16,973
Geekbench 6 single-core	2,724	2,859
Cinebench 2024 multi-core	1,128	1,247
Display
Screen size	15.3″	16″
Resolution	2560 × 1600	2560 × 1600
Resolution class	QHD (1440p/1600p)	QHD (1440p/1600p)
Refresh rate	165 Hz	240 Hz
Panel type	OLED	OLED
Brightness	500 nits	600 nits
sRGB coverage	100%	100%
Response time	1 ms	1 ms
DCI-P3 coverage	100%	100%
Pixel density	197 ppi	189 ppi
Aspect ratio	16:10	16:10
G-Sync / FreeSync	Yes	No
Advanced Optimus	No	No
MUX switch	Yes	Yes
HDR	Yes	No
Touchscreen	No	No
Memory & storage
RAM (up to)	64 GB	32 GB
RAM (base)	8 GB	32 GB
RAM type	DDR5	DDR5
RAM speed	5,600 MHz	7,200 MHz
Max. supported RAM	64 GB	128 GB
RAM slots	2	2
Upgradable RAM	Yes	Yes
SSD (up to)	4,096 GB	1,000 GB
SSD (base)	512 GB	1,000 GB
M.2 SSD slots	2	2
SSD interface	PCIe 5.0 x4	PCIe 4.0 x4
Battery & power
Battery capacity	80 Wh	90 Wh
Power adapter	245 W	240 W
USB-C charging (Power Delivery)	Yes	Yes
USB-C charging power	100 W	100 W
Design & cooling
Weight	1.87 kg	1.99 kg
Thickness	19.9 mm	20 mm
Width	344 mm	354 mm
Depth	244.5 mm	246 mm
Body material	Aluminium, Plastic	Aluminium
Colours	White, Black	Black
Cooling fans	2	2
Vapor chamber cooling	No	No
Liquid metal (CPU)	No	No
Fan noise (max. load)	51.9 dB	56.7 dB
Ports & wireless
Thunderbolt / USB4	Thunderbolt 4	USB4
Thunderbolt or USB4	Yes	Yes
USB-C ports	2	2
USB-A ports	3	2
HDMI	HDMI 2.1	HDMI 2.1
HDMI 2.1	Yes	Yes
(Mini) DisplayPort	No	No
Ethernet	—	5 Gbit/s
Ethernet port	Yes	Yes
SD card reader	No	No
3.5 mm audio jack	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	5.4	6
Keyboard & camera
Backlit keyboard	Yes	Yes
Numeric keypad	Yes	No
Key travel	1.6 mm	—
Webcam	1,440p	1,080p
IR camera (face login)	—	Yes
Fingerprint reader	No	Yes
Audio
Speakers	2.0	2.2
Dolby Atmos	No	No