Side by side comparison and review of Gigabyte G5 MD (51UK121SH) and Acer Predator Helios 18 (PH18). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Gigabyte G5 MD (51UK121SH) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
affordable price point
comprehensive port selection
full hd display
decent cooling system
average battery life
heavyweight design
modest audio quality
plastic build quality
Advantages and disadvantages of Acer Predator Helios 18 (PH18) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
vibrant large display
advanced cooling system
expandable storage options
high-quality speakers
heavier than competitors
short battery life
expensive base model
limited port selection
| DESIGN AND DIMENSIONS | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.1 cm x 25.8 cm x 3.16 cm | 40.4 cm x 31.16 cm x 2.915 cm |
| Weight | 2.2 kg | 3.4 kg |
| Case Material | - | Anodised aluminium |
| Colour | Black | Abyssal black |
| DISPLAY | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Screen Size (Type) | 15.6" | 18" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | 144 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | 72% NTSC | 100% DCI-P3 |
| Features | Anti-glare, thin bezel design, IPS-level | Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS) |
| PROCESSOR | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| CPU | Intel Core i5 (11th Gen) 11400H / 2.7 GHz | Intel Core i9 (13th Gen) 13900HX / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 5.4 GHz |
| Number of Cores | 6-core | 24-core |
| Cache | 12 MB | L3 - 36 MB |
| Chipset | Intel HM570 | Intel HM770 |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Platform Trust Technology (PTT), Intel Speed Shift Technology | - |
| MEMORY | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 MHz | 5600 MHz |
| Rated Speed | - | 5600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti / Intel UHD Graphics | NVIDIA GeForce RTX 4080 / Intel UHD Graphics |
| Video Memory | 4 GB GDDR6 SDRAM | 12 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus, Max-Q design, NVIDIA Resizable BAR, Dynamic Boost 2.0 | Advanced Optimus |
| Gaming | - | Yes |
| Camera | Yes - HD | Yes - Full HD |
| Camera Features | - | Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | DTS:X Ultra | DTS:X |
| COMMUNICATIONS | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | Ethernet |
| Ethernet Controller | Realtek RTL8411B | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 48.96 Wh | 90 Wh |
| AC ADAPTER | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Output | 150 Watt | 330 Watt, 19.5 V, 16.9 A |
|---|
| INPUT | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | 15 colours backlighting | Multi-gesture touch pad, precision touchpad, Acer PredatorSense, per-key RGB |
| CONNECTIONS & EXPANSIONS | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 / SATA) 1 x M.2 (PCI Express 4.0) |
- |
|---|---|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 USB 3.2 Gen 2 USB-C 3.2 Gen 2 HDMI Mini DisplayPort 1.4 Headphone/microphone combo jack Microphone input LAN |
HDMI 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 USB 3.2 Gen 2 (with power off charging) LAN USB 3.2 Gen 1 Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card) | Yes (microSD) |
| SOFTWARE | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
|---|
| MISCELLANEOUS | Gigabyte G5 MD (51UK121SH) | Acer Predator Helios 18 (PH18) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | WINDFORCE Infinity Cooling System | Administrator password, system password, 5th Gen AeroBlade 3D fan technology |
| SAR Value | - | 0.832 W/kg (body), 0.832 W/kg (head), 0.832 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 2 years | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 71 |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
