Lenovo IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023) vs MSI Katana 15 B13 RTX 4070 (2023)
What IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023) does better (10) and where Katana 15 B13 RTX 4070 (2023) wins (15) — every spec side by side.
vs
3.8Graphics7.4
3.5Overall performance6.8
2.3Display2.3
8.6Memory & storage4.4
7.8Battery & portability3.9
2.4Features & cooling3.3
Dimensions
Size comparison
IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023)Katana 15 B13 RTX 4070 (2023)
| IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023) | Katana 15 B13 RTX 4070 (2023) | Difference | |
|---|---|---|---|
| Depth | 266.4 mm | 259 mm | +7.4 mm |
| Width | 359.6 mm | 359 mm | +0.6 mm |
| Thickness | 21.8 mm | 25 mm | −3.2 mm |
| Weight | 2.3 kg | 2.2 kg | +0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023) better than Katana 15 B13 RTX 4070 (2023)?
- RAM (up to)64 GB vs 32 GB2×
- SSD (up to)4,096 GB vs 1,000 GB4.1×
- Battery capacity71 Wh vs 54 Wh+33%
- G-Sync / FreeSyncYes · Katana 15 B13 RTX 4070 (2023): No
- USB-C charging (Power Delivery)Yes · Katana 15 B13 RTX 4070 (2023): No
- Thickness21.8 mm vs 25 mm+15%
- Response time19 ms vs 33 ms+74%
- Fan noise (max. load)49.4 dB vs 54.4 dB+10%
- DCI-P3 coverage39% vs 38%+3%
- Max CPU clock4.5 GHz vs 4.4 GHz+2%
Why is Katana 15 B13 RTX 4070 (2023) better than IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023)?
- Video memory6 GB vs 32 GB5.3×
- 3DMark Steel Nomad Light7,686 vs 13,080+70%
- GPU compute (FP32)10.9 TFLOPS vs 18.2 TFLOPS+67%
- GPU power (TGP)85 W vs 105 W+24%
- MUX switchNo · IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023): Yes
- GPU shader cores2,560 vs 4,608+80%
- Refresh rate120 Hz vs 144 Hz+20%
- SSD (base)256 GB vs 1,000 GB3.9×
- Weight2.32 kg vs 2.25 kg+3%
- CPU cores6 vs 8+33%
- RAM (base)8 GB vs 16 GB2×
- HDMI 2.1No · IdeaPad Gaming 3 15ARH7 15 7 AMD RTX 4050 (2023): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4050 Laptop | GeForce RTX 4070 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 85 W | 105 W |
| Video memory | 6 GB | 32 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 2,560 | 4,608 |
| GPU compute (FP32) | 10.9 TFLOPS | 18.2 TFLOPS |
| 3DMark Steel Nomad Light | 7,686 | 13,080 |
| Processor | ||
| Processor | Ryzen 5 6600H | Core i9-13900H |
| CPU maker | AMD | Intel |
| CPU cores | 6 | 8 |
| CPU threads | 12 | — |
| Max CPU clock | 4.5 GHz | 4.4 GHz |
| Processor options | Ryzen 5 6600H, Ryzen 5 7535HS, Ryzen 7 6800H, Ryzen 7 7735HS | Core i7-13620H, Core i9-13900H |
| Geekbench 6 multi-core | 8,766 | — |
| Geekbench 6 single-core | 2,010 | — |
| Cinebench 2024 multi-core | 568 | — |
| Display | ||
| Screen size | 15.6″ | 15.6″ |
| Resolution | 1920 × 1080 | 1920 × 1080 |
| Resolution class | Full HD (1080p/1200p) | Full HD (1080p/1200p) |
| Refresh rate | 120 Hz | 144 Hz |
| Panel type | IPS | IPS |
| Brightness | 250 nits | 250 nits |
| sRGB coverage | 58% | 57% |
| Response time | 19 ms | 33 ms |
| DCI-P3 coverage | 39% | 38% |
| Pixel density | 141 ppi | 141 ppi |
| Aspect ratio | 16:9 | 16:9 |
| G-Sync / FreeSync | Yes | No |
| Advanced Optimus | No | No |
| MUX switch | No | Yes |
| HDR | No | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 32 GB |
| RAM (base) | 8 GB | 16 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 5,200 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 4,096 GB | 1,000 GB |
| SSD (base) | 256 GB | 1,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 71 Wh | 54 Wh |
| Power adapter | 170 W | 200 W |
| USB-C charging (Power Delivery) | Yes | No |
| Design & cooling | ||
| Weight | 2.32 kg | 2.25 kg |
| Thickness | 21.8 mm | 25 mm |
| Width | 359.6 mm | 359 mm |
| Depth | 266.4 mm | 259 mm |
| Body material | Plastic | Plastic |
| Colours | White, Gray | Black |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | No |
| Liquid metal (CPU) | No | No |
| Fan noise (max. load) | 49.4 dB | 54.4 dB |
| Ports & wireless | ||
| Thunderbolt or USB4 | No | No |
| USB-C ports | 1 | 1 |
| USB-A ports | 2 | 3 |
| HDMI | HDMI 2.0 | HDMI 2.1 |
| HDMI 2.1 | No | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet | — | 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 | 5.1 | 5.2 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 1.5 mm | 1.7 mm |
| Webcam | 720p | 720p |
| IR camera (face login) | No | No |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 2 speakers |
| Dolby Atmos | No | No |
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