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Katana 15 B13 RTX 4070 (2023) vs Katana 17 B13 RTX 4070 (2023)

MSI Katana 15 B13 RTX 4070 (2023) vs MSI Katana 17 B13 RTX 4070 (2023)

What Katana 15 B13 RTX 4070 (2023) does better (5) and where Katana 17 B13 RTX 4070 (2023) wins (7) — every spec side by side.

MSI · 2023Katana 15 B13 RTX 4070 (2023)

6.0Score

5 advantages≈ $2,150

Higher score

MSI · 2023Katana 17 B13 RTX 4070 (2023)

5.2Score

7 advantages≈ $2,000

7.4Graphics7.0

6.8Overall performance6.9

2.3Display2.3

4.4Memory & storage3.2

3.9Battery & portability2.3

3.3Features & cooling3.1

Dimensions

Size comparison

Katana 15 B13 RTX 4070 (2023)Katana 17 B13 RTX 4070 (2023)

	Katana 15 B13 RTX 4070 (2023)	Katana 17 B13 RTX 4070 (2023)	Difference
Depth	259 mm	273 mm	−14 mm
Width	359 mm	398 mm	−39 mm
Thickness	25 mm	25 mm	=
Weight	2.2 kg	2.6 kg	−0.4 kg

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

Why is Katana 15 B13 RTX 4070 (2023) better than Katana 17 B13 RTX 4070 (2023)?

RAM (up to)32 GB vs 16 GB2×
Video memory32 GB vs 8 GB4×
Weight2.25 kg vs 2.6 kg+16%
Pixel density141 ppi vs 127 ppi+11%
Fan noise (max. load)54.4 dB vs 59.1 dB+9%

Why is Katana 17 B13 RTX 4070 (2023) better than Katana 15 B13 RTX 4070 (2023)?

CPU cores8 vs 14+75%
3DMark Steel Nomad Light13,080 vs 13,463+3%
Max CPU clock4.4 GHz vs 5.4 GHz+23%
Screen size15.6″ vs 17.3″+11%
Response time33 ms vs 30 ms+10%
DCI-P3 coverage38% vs 41%+8%
sRGB coverage57% vs 61%+7%

Specifications

Side by side

Only differences	MSI Katana 15 B13 RTX 4070 (2023)≈ $2,1506.0	MSI Katana 17 B13 RTX 4070 (2023)≈ $2,0005.2
Graphics
Graphics card	GeForce RTX 4070 Laptop	GeForce RTX 4070 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	105 W	105 W
Video memory	32 GB	8 GB
Video memory type	GDDR6	GDDR6
GPU shader cores	4,608	4,608
GPU compute (FP32)	18.2 TFLOPS	18.2 TFLOPS
3DMark Steel Nomad Light	13,080	13,463
Processor
Processor	Core i9-13900H	Core i9-13900H
CPU maker	Intel	Intel
CPU cores	8	14
Max CPU clock	4.4 GHz	5.4 GHz
Processor options	Core i7-13620H, Core i9-13900H	Core i7-12650H, Core i7-13620H, Core i9-13900H
Display
Screen size	15.6″	17.3″
Resolution	1920 × 1080	1920 × 1080
Resolution class	Full HD (1080p/1200p)	Full HD (1080p/1200p)
Refresh rate	144 Hz	144 Hz
Panel type	IPS	IPS
Brightness	250 nits	250 nits
sRGB coverage	57%	61%
Response time	33 ms	30 ms
DCI-P3 coverage	38%	41%
Pixel density	141 ppi	127 ppi
Aspect ratio	16:9	16:9
G-Sync / FreeSync	No	No
Advanced Optimus	No	No
MUX switch	Yes	Yes
HDR	No	No
Touchscreen	No	No
Memory & storage
RAM (up to)	32 GB	16 GB
RAM (base)	16 GB	16 GB
RAM type	DDR5	DDR5
RAM speed	5,200 MHz	5,200 MHz
Max. supported RAM	64 GB	64 GB
RAM slots	2	2
Upgradable RAM	Yes	Yes
SSD (up to)	1,000 GB	1,000 GB
SSD (base)	1,000 GB	1,000 GB
M.2 SSD slots	2	2
SSD interface	PCIe 4.0 x4	PCIe 4.0 x4
Battery & power
Battery capacity	54 Wh	54 Wh
Power adapter	200 W	200 W
USB-C charging (Power Delivery)	No	No
Design & cooling
Weight	2.25 kg	2.6 kg
Thickness	25 mm	25 mm
Width	359 mm	398 mm
Depth	259 mm	273 mm
Body material	Plastic	Plastic
Colours	Black	Black
Cooling fans	2	2
Vapor chamber cooling	No	No
Liquid metal (CPU)	No	No
Fan noise (max. load)	54.4 dB	59.1 dB
Ports & wireless
Thunderbolt or USB4	No	No
USB-C ports	1	1
USB-A ports	3	3
HDMI	HDMI 2.1	HDMI 2.1
HDMI 2.1	Yes	Yes
(Mini) DisplayPort	No	No
Ethernet	1 Gbit/s	1 Gbit/s
Ethernet port	Yes	Yes
SD card reader	No	No
3.5 mm audio jack	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6
Bluetooth	5.2	5.2
Keyboard & camera
Backlit keyboard	Yes	Yes
Numeric keypad	Yes	Yes
Key travel	1.7 mm	1.7 mm
Webcam	720p	720p
IR camera (face login)	No	No
Fingerprint reader	No	No
Audio
Speakers	2 speakers	2 speakers
Dolby Atmos	No	No