Design:
| Type |
Productivity |
| weight |
1900 g |
| Uses a fanless design |
✕ |
| Has a backlit keyboard |
✕ |
| volume |
1514.34 cm³ |
| width |
358 mm |
| height |
235 mm |
| thickness |
18 mm |
| is weather-sealed (splashproof) |
✕ |
| has a rugged build |
✕ |
The Dell 15 DC15255 (2025) 15.6″ is designed as a productivity laptop, weighing 1900 g and with dimensions of 358 mm in width, 235 mm in height, and a thickness of 18 mm. It offers a compact build, though it does not feature a fanless design or a backlit keyboard. Additionally, it is not weather-sealed or rugged, making it more suited for general professional use rather than extreme environments. The laptop’s total volume is 1514.34 cm³, which supports its efficient use of space while maintaining portability.
Display:
| screen size |
15.6" |
| Display type |
LCD, LED-backlit, IPS |
| has a touch screen |
✕ |
| brightness (typical) |
250 nits |
| refresh rate |
120Hz |
| has anti-reflection coating |
✓ |
The Dell 15 DC15255 (2025) 15.6″ features a 15.6-inch LCD, LED-backlit, IPS display, offering clear and vibrant visuals. While it does not include a touch screen, it supports a refresh rate of 120Hz, ensuring smoother on-screen motion. The screen provides a typical brightness of 250 nits and comes with an anti-reflection coating, helping to reduce glare and improve visibility in bright environments.
Performance:
| RAM |
64GB |
| RAM speed |
3200 MHz |
| Uses flash storage |
✓ |
| internal storage |
2048GB |
| CPU speed |
8 x 2 GHz |
| CPU threads |
16 threads |
| Is an NVMe SSD |
✓ |
| DirectX version |
DirectX 12 |
| GPU clock speed |
300 MHz |
| uses multithreading |
✓ |
| maximum memory amount |
64GB |
| DDR memory version |
4 |
| turbo clock speed |
4.5GHz |
| GPU turbo |
2000 MHz |
| PCI Express (PCIe) version |
3 |
| semiconductor size |
7 nm |
| has XeSS (XMX) |
✕ |
| Supports 64-bit |
✓ |
The Dell 15 DC15255 (2025) offers a high-performance configuration with 64GB of RAM running at 3200 MHz and 2048GB of flash storage using an NVMe SSD for fast data access. Its CPU runs at a base speed of 8 x 2 GHz, with turbo speeds up to 4.5GHz, and supports 16 threads for efficient multitasking. Additionally, it integrates DirectX 12 support, and the GPU features a clock speed of 300 MHz, along with GPU turbo capabilities up to 2000 MHz for improved graphics performance.
Benchmarks:
| Geekbench 6 result (multi) |
6277 |
| Geekbench 6 result (single) |
1633 |
| PassMark result |
18042 |
| PassMark result (single) |
3006 |
The Dell 15 DC15255 (2025) demonstrates strong performance in benchmark tests. In Geekbench 6, it achieved a multi-core score of 6277 and a single-core score of 1633, indicating efficient processing power for both multitasking and single-threaded tasks. Additionally, the laptop earned a PassMark result of 18042, with a single-core score of 3006, reflecting its overall processing and computational capabilities.
Connectivity:
| USB 3.2 Gen 2 ports (USB-C) |
0 |
| USB 3.2 Gen 2 ports (USB-A) |
0 |
| USB 4 20Gbps ports |
0 |
| USB 4 40Gbps ports |
0 |
| Thunderbolt 4 ports |
0 |
| USB 3.2 Gen 1 ports (USB-C) |
1 |
| USB 3.2 Gen 1 ports (USB-A) |
1 |
| Thunderbolt 3 ports |
0 |
| has an HDMI output |
✓ |
| Has USB Type-C |
✓ |
| supports Wi-Fi |
✓ |
| Wi-Fi version |
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) |
| has an external memory slot |
✓ |
| RJ45 ports |
0 |
| HDMI ports |
1 |
| HDMI version |
HDMI 1.4 |
| DisplayPort outputs |
0 |
| USB 2.0 ports |
1 |
| has AirPlay |
✓ |
| mini DisplayPort outputs |
0 |
| has a VGA connector |
✕ |
The Dell 15 DC15255 (2025) offers a range of connectivity options, including 1 USB 3.2 Gen 1 Type-C port, 1 USB 3.2 Gen 1 Type-A port, and a USB 2.0 port for basic peripheral connections. It also supports Wi-Fi 5 (802.11ac) and Wi-Fi 4 (802.11n) for wireless internet, along with an HDMI 1.4 output for external display connections. Additionally, the laptop features an external memory slot and supports AirPlay, though it lacks Thunderbolt or DisplayPort outputs.
Battery:
| battery size |
41 Wh |
| Has sleep-and-charge USB ports |
✕ |
| Has a MagSafe power adapter |
✕ |
The Dell 15 DC15255 (2025) is equipped with a 41 Wh battery, providing a balanced power source for everyday use. However, it does not feature sleep-and-charge USB ports or a MagSafe power adapter, which may limit some charging flexibility compared to other models.
Features:
| release date |
August 2025 |
| has stereo speakers |
✓ |
| has a socket for a 3.5 mm audio jack |
✓ |
| supports ray tracing |
✕ |
| supports DLSS |
✕ |
| has Dolby Atmos |
✕ |
| Stylus included |
✕ |
| Has a fingerprint scanner |
✕ |
| number of microphones |
1 |
| Uses 3D facial recognition |
✕ |
| has voice commands |
✕ |
| has a front camera |
✓ |
| Has S/PDIF Out port |
✕ |
| has a gyroscope |
✕ |
| has GPS |
✕ |
| has an accelerometer |
✕ |
| has a compass |
✕ |
| Has an optical disc drive |
✕ |
The Dell 15 DC15255 (2025) offers several practical features, including stereo speakers and a 3.5mm audio jack for convenient audio output. It also includes a front camera for video calls, though it lacks advanced features like Dolby Atmos, ray tracing, or DLSS. Additionally, it comes with a single microphone, but does not support technologies like facial recognition or voice commands.
Miscellaneous:
| clock multiplier |
20 |
| PassMark result (overclocked) |
19844 |
| number of transistors |
10700 million |
| render output units (ROPs) |
8 |
| texture mapping units (TMUs) |
32 |
| shading units |
512 |
| GPU name |
Radeon Vega 8 |
| Type |
Laptop |
| instruction sets |
MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2 |
| Uses big.LITTLE technology |
✕ |
| Has an unlocked multiplier |
✕ |
| Has NX bit |
✓ |
| OpenCL version |
2.2 |
| OpenGL version |
4.6 |
| GPU execution units |
8 |
| Has integrated graphics |
✓ |
| L3 core |
2 MB/core |
| L3 cache |
16 MB |
| L2 core |
0.5 MB/core |
| L2 cache |
4 MB |
| L1 cache |
512 KB |
| Supports ECC memory |
✓ |
| memory channels |
2 |
| CPU temperature |
95 °C |
| Thermal Design Power (TDP) |
15W |
| RAM speed (max) |
4267 MHz |
The Dell 15 DC15255 (2025) is equipped with a Radeon Vega 8 GPU featuring 8 execution units and a GPU clock speed of 300 MHz. It also includes 10700 million transistors, 512 shading units, and 32 texture mapping units. The laptop supports ECC memory and has a total of 16 MB of L3 cache, with a CPU TDP of 15W. Notably, the CPU can reach a maximum RAM speed of 4267 MHz and supports OpenCL 2.2.