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Legion 7i Gen 10 RTX 5070 (2025) vs Stealth 16 AI+ B3 RTX 5080 (2026)

Lenovo Legion 7i Gen 10 RTX 5070 (2025) vs MSI Stealth 16 AI+ B3 RTX 5080 (2026)

What Legion 7i Gen 10 RTX 5070 (2025) does better (14) and where Stealth 16 AI+ B3 RTX 5080 (2026) wins (13) — every spec side by side.

Lenovo · 2025Legion 7i Gen 10 RTX 5070 (2025)

9.1Score

14 advantages

Higher score

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

9.0Score

13 advantages≈ $4,100

8.8Graphics9.5

9.5Overall performance9.4

9.0Display9.0

6.4Memory & storage5.0

6.3Battery & portability5.0

7.3Features & cooling6.1

Dimensions

Size comparison

Legion 7i Gen 10 RTX 5070 (2025)Stealth 16 AI+ B3 RTX 5080 (2026)

	Legion 7i Gen 10 RTX 5070 (2025)	Stealth 16 AI+ B3 RTX 5080 (2026)	Difference
Depth	263.4 mm	246 mm	+17.4 mm
Width	361.7 mm	354 mm	+7.7 mm
Thickness	17.9 mm	20 mm	−2.1 mm
Weight	2 kg	2 kg	=

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

Why is Legion 7i Gen 10 RTX 5070 (2025) better than Stealth 16 AI+ B3 RTX 5080 (2026)?

SSD (up to)4,096 GB vs 1,000 GB4.1×
Geekbench 6 multi-core18,468 vs 16,973+9%
Cinebench 2024 multi-core1,774 vs 1,247+42%
CPU cores20 vs 16+25%
G-Sync / FreeSyncYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
HDRYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
SD card readerYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
Thickness17.9 mm vs 20 mm+12%
USB-A ports3 vs 2+50%
Webcam1,440p vs 1,080p+33%
CPU threads20 vs 16+25%
Max CPU clock5.2 GHz vs 4.9 GHz+6%

Why is Stealth 16 AI+ B3 RTX 5080 (2026) better than Legion 7i Gen 10 RTX 5070 (2025)?

3DMark Steel Nomad Light14,353 vs 21,645+51%
Refresh rate165 Hz vs 240 Hz+45%
GPU power (TGP)115 W vs 125 W+9%
Battery capacity84 Wh vs 90 Wh+7%
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×
Max. supported RAM32 GB vs 128 GB4×
Video memory12 GB vs 16 GB+33%
Brightness500 nits vs 600 nits+20%
SSD (base)512 GB vs 1,000 GB+95%
RAM speed6,400 MHz vs 7,200 MHz+12%

Specifications

Side by side

Only differences	Lenovo Legion 7i Gen 10 RTX 5070 (2025)9.1	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	14,353	21,645
Processor
Processor	Core Ultra 7 255HX	Core Ultra 9 386H
CPU maker	Intel	Intel
CPU cores	20	16
CPU threads	20	16
Max CPU clock	5.2 GHz	4.9 GHz
Processor options	Core Ultra 7 255HX, Core Ultra 9 275HX, Core Ultra 9 290HX Plus	Core Ultra 9 386H
Geekbench 6 multi-core	18,468	16,973
Geekbench 6 single-core	2,919	2,859
Cinebench 2024 multi-core	1,774	1,247
Display
Screen size	16″	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	189 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)	32 GB	32 GB
RAM (base)	8 GB	32 GB
RAM type	DDR5	DDR5
RAM speed	6,400 MHz	7,200 MHz
Max. supported RAM	32 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 4.0 x4	PCIe 4.0 x4
Battery & power
Battery capacity	84 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	2 kg	1.99 kg
Thickness	17.9 mm	20 mm
Width	361.7 mm	354 mm
Depth	263.4 mm	246 mm
Body material	Aluminium	Aluminium
Colours	White	Black
Cooling fans	2	2
Vapor chamber cooling	No	No
Liquid metal (CPU)	No	No
Fan noise (max. load)	54.7 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	No	Yes
SD card reader	Yes	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	Yes
Fingerprint reader	No	Yes
Audio
Speakers	2.0	2.2
Dolby Atmos	No	No