Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10
Acer Aspire 15 A15-51 comes out ahead overall, scoring 65% to 35% across the categories compared — particularly overall score (4.4 /10 vs 4.1 /10).
Acer Aspire 15 A15-51 scored 65%, Lenovo IdeaPad Slim 3i 14 Gen 10 scored 35%.
Acer Aspire 15 A15-51 is priced around $699, Lenovo IdeaPad Slim 3i 14 Gen 10 around $619.
How Acer Aspire 15 A15-51 and Lenovo IdeaPad Slim 3i 14 Gen 10 Rank
Acer Aspire 15 A15-51
Intel Core 3 100U ranks in the top 98% of 45 CPUs we track.
Intel UHD Graphics (64 EU) ranks in the top 90% of 29 GPUs we track.
LPDDR5 RAM ranks in the top 50% of 4 RAM types we track.
PCI-E Gen 4.0 (4x) storage interface ranks in the top 50% of 4 storage interfaces we track.
TN LCD display ranks in the top 100% of 5 display types we track.
Aluminum build ranks in the top 38% of 8 build materials we track.
Wi-Fi 6E ranks in the top 67% of 3 Wi-Fi standards we track.
Lenovo IdeaPad Slim 3i 14 Gen 10
Intel Processor N150 ranks in the top 96% of 45 CPUs we track.
Intel UHD Graphics 730 ranks in the top 94% of 29 GPUs we track.
DDR5 RAM ranks in the top 75% of 4 RAM types we track.
PCI-E Gen 4.0 (4x) storage interface ranks in the top 50% of 4 storage interfaces we track.
TN LCD display ranks in the top 100% of 5 display types we track.
Aluminum build ranks in the top 38% of 8 build materials we track.
Wi-Fi 7 ranks in the top 34% of 3 Wi-Fi standards we track.
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Overall Score
| Spec |
 Acer Aspire 15 A15-51
|
 Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Overall score | 4.4 /10 | 4.1 /10 |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Build & Design
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Portability score | 7.1 /10 | 8.8 /10 |
| Weight | 1.77 kg | 1.29 kg |
| Thickness | 17.9 mm | 17.9 mm |
| Fingerprint reader | Yes | No |
| Vapor chamber cooling | No | No |
| Numeric keypad | Yes | No |
| Windows Precision touchpad | Yes | Yes |
| Build material | Aluminum | Aluminum |
| Available colors | Gray | Gray, Blue |
| Keyboard | Backlit, Island | Island |
| Key travel | 1.4 mm | 1.3 mm |
| Cooling system | Active | Active |
| Dimensions | 362.9 x 237.5 x 17.9 mm | 314.4 x 222.1 x 16.9-17.9 mm 12.38 x 8.74 x 0.67-0.7 inches |
| Footprint | 862 cm2 (133.6 inches2) | 698 cm2 (108.2 inches2) |
| Touchpad size | — | 12.0 x 7.5 cm |
| Touchpad surface | Plastic | Plastic |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Benchmarks
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Performance score | 5 /10 | 3.2 /10 |
| Cinebench (multi-core) | 369 | 214 |
| Cinebench (single-core) | 106 | 59 |
| Geekbench (multi-core) | 6302 | 2914 |
| Geekbench (single-core) | 2436 | 1222 |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: CPU
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| CPU threads | 8 | 4 |
| CPU | Intel Core 3 100U | Intel Processor N150 |
| CPU cores | 6 (2P + 4E) | 4 (0P + 4E) |
| CPU base frequency | 1.2 GHz | 0 GHz |
| CPU turbo frequency | 4.7 GHz | — |
| CPU L3 cache | 10 MB | 6 MB |
| CPU manufacturing process | 10 nm | 10 nm |
| CPU configurations available | Intel Core 3 100U Intel Core 5 120U Intel Core 7 150U | Intel Processor N150 Intel Processor N250 Intel Core 3 N355 Intel Core i5 13420H Intel Core i7 13620H Intel Core 5 210H Intel Core 7 240H AMD Ryzen 5 7535HS AMD Ryzen 7 7735HS |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: GPU
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| GPU compute | 1.3 TFLOPS | 0.4 TFLOPS |
| GPU | Intel UHD Graphics (64 EU) | Intel UHD Graphics 730 |
| GPU type | Integrated | Integrated |
| Integrated GPU | Intel UHD Graphics (64 EU) | Intel UHD Graphics 730 |
| GPU VRAM | System Shared | System Shared |
| GPU memory type | LPDDR5 | DDR5 |
| GPU base clock | 300 MHz | 300 MHz |
| GPU boost clock | 1250 MHz | 1000 MHz |
| GPU power (TGP) | 15 W | 15 W |
| GPU configurations available | Intel UHD Graphics (64 EU) | Intel UHD Graphics 730 |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Memory
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| RAM | 8 GB | 8 GB |
| RAM upgradable | No | No |
| RAM type | LPDDR5 | DDR5 |
| RAM clock speed | 6400 MHz | 4800 MHz |
| RAM slots | 1 | 2 |
| RAM channels | 1x8 GB | 1x8 GB |
| RAM configurations available | 8GB|16GB | 8GB|16GB|24GB |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Storage
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Storage | 256 GB | 128 GB |
| NVMe storage | Yes | Yes |
| Storage upgradable | Yes | Yes |
| Storage type | SSD (M2) | NVMe |
| Storage interface | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Storage configurations available | 256GB, 512GB, 1 TB | 128GB, 256GB, 512GB, 1 TB |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Display
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Display score | 2.4 /10 | 2.6 /10 |
| Display size | 15.6 in | 14 in |
| Refresh rate | 60 Hz | 60 Hz |
| Brightness | 300 nits | 250 nits |
| Pixel density | 141 ppi | 157 ppi |
| Touchscreen | No | No |
| HDR support | No | No |
| Display type | TN LCD | TN LCD |
| Resolution | 1920 x 1080 | 1920 x 1080 |
| Screen coating | Matte | Matte |
| Aspect ratio | 16:9 | 16:9 |
| Screen-to-body ratio | ~77.9% | ~77.4% |
| Side bezels | 8.8 mm | 2.3 mm |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Battery
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Battery score | 6.4 /10 | 6.3 /10 |
| Battery capacity | 53 Wh | 47 Wh |
| Charging speed | 65 W | 65 W |
| Wireless charging | No | No |
| Charging port | USB-C | USB-C |
| Proprietary charging | Yes | Yes |
| Battery type | Li-Ion | Li-Po |
| Full charge time | 1:35 hr | — |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Network & Connectivity
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Connectivity score | 6.1 /10 | 6.2 /10 |
| Wi-Fi generation | 6 | 7 |
| Bluetooth version | 5.3 | 5.4 |
| Thunderbolt | No | No |
| Ethernet port | No | No |
| HDMI port | Yes | Yes |
| DisplayPort | No | No |
| SD card reader | No | Yes |
| USB-A ports | 2x USB 3.2 | 2x USB 3.2 |
| USB-C ports | 1x USB 4.0 | 1x USB 3.2 |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Audio
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Dolby Atmos | No | Yes |
| Speaker configuration | 2.0 | 2.0 |
| Speaker power | — | 2x2W |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: OS & Software
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| Operating system | Windows 11 | Windows 11 |
Acer Aspire 15 A15-51 vs Lenovo IdeaPad Slim 3i 14 Gen 10: Extras & Features
| Spec |
Acer Aspire 15 A15-51
|
Lenovo IdeaPad Slim 3i 14 Gen 10
|
|---|---|---|
| 2-in-1 convertible | No | No |
| Webcam | 1080p FHD | 1080p FHD |
| Webcam position | Above the display | Above the display |
Where each laptop wins
Acer Aspire 15 A15-51
- Overall score: 4.4 /10 (vs 4.1 /10)
- Performance score: 5 /10 (vs 3.2 /10)
- Battery score: 6.4 /10 (vs 6.3 /10)
- Cinebench (multi-core): 369 (vs 214 )
- Cinebench (single-core): 106 (vs 59 )
- Geekbench (multi-core): 6302 (vs 2914 )
- Geekbench (single-core): 2436 (vs 1222 )
- CPU threads: 8 (vs 4 )
- GPU compute: 1.3 TFLOPS (vs 0.4 TFLOPS)
- Storage: 256 GB (vs 128 GB)
- Display size: 15.6 in (vs 14 in)
- Brightness: 300 nits (vs 250 nits)
- Battery capacity: 53 Wh (vs 47 Wh)
- Fingerprint reader
- Numeric keypad
Lenovo IdeaPad Slim 3i 14 Gen 10
- Portability score: 8.8 /10 (vs 7.1 /10)
- Display score: 2.6 /10 (vs 2.4 /10)
- Connectivity score: 6.2 /10 (vs 6.1 /10)
- Pixel density: 157 ppi (vs 141 ppi)
- Weight: 1.29 kg (vs 1.77 kg)
- Wi-Fi generation: 7 (vs 6 )
- Bluetooth version: 5.4 (vs 5.3 )
- SD card reader
- Dolby Atmos
More Acer Aspire 15 A15-51 and Lenovo IdeaPad Slim 3i 14 Gen 10 Comparisons
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Frequently Asked Questions
Which has the better overall score, the Acer Aspire 15 A15-51 or the Lenovo IdeaPad Slim 3i 14 Gen 10?
The Acer Aspire 15 A15-51 has the better overall score at 4.4 /10, versus 4.1 /10 on the Lenovo IdeaPad Slim 3i 14 Gen 10.
Which has the better performance score, the Acer Aspire 15 A15-51 or the Lenovo IdeaPad Slim 3i 14 Gen 10?
The Acer Aspire 15 A15-51 has the better performance score at 5 /10, versus 3.2 /10 on the Lenovo IdeaPad Slim 3i 14 Gen 10.
Which has the better portability score, the Acer Aspire 15 A15-51 or the Lenovo IdeaPad Slim 3i 14 Gen 10?
The Lenovo IdeaPad Slim 3i 14 Gen 10 has the better portability score at 8.8 /10, versus 7.1 /10 on the Acer Aspire 15 A15-51.
Which has the better battery score, the Acer Aspire 15 A15-51 or the Lenovo IdeaPad Slim 3i 14 Gen 10?
The Acer Aspire 15 A15-51 has the better battery score at 6.4 /10, versus 6.3 /10 on the Lenovo IdeaPad Slim 3i 14 Gen 10.