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This hp omen 35l gt17 00 PC vs omen 45l rtx 5080 comparison examines two high-end gaming desktops. Both machines feature 64GB DDR5 memory, Windows 11 Home, and an NVIDIA GeForce RTX 5080 discrete GPU with 16GB GDDR7. Their main differences lie in processor hardware, drive configurations, and physical size. The 35L uses an AMD Ryzen 9 9900X3D processor and a split storage array, whereas the larger 45L includes an Intel Core Ultra 9 285K processor.
Processor
AMD Ryzen 9 9900X3D (12 cores, 24 threads, up to 5.5 GHz, 128 MB L3 cache)
Intel Core Ultra 9 285K (24 cores, 24 threads, up to 5.70 GHz, 36 MB L3 cache)
Storage capacity
2 TB PCIe Gen4 + 2 TB PCIe Gen4 NVMe M.2 SSD
4 TB PCIe NVMe M.2 SSD
Weight
24.9 pounds
49.8 pounds
Power supply
850 W 80 Plus Gold ATX 3.1
not listed
Cooling
240 mm LCD liquid cooler
not listed
Dimensions
8.4 x 16.7 x 16.3 inches
18.5 x 8.03 x 21.9 inches
Choose the first if
- You want an AMD Ryzen 9 9900X3D processor with 128 MB of L3 cache.
- You prefer a lighter chassis that includes a 240 mm LCD liquid cooler and an 850 W power supply.
- You want your storage split across two distinct 2 TB NVMe M.2 SSDs.
Choose the second if
- You want an Intel Core Ultra 9 285K processor with 24 cores and clocks up to 5.70 GHz.
- You want 4 TB of storage contained within a single solid-state drive.
- You want the bundled Thunderobot KG3089R gaming keyboard.
Verdict
Choose the HP OMEN 35L if you want AMD processing, a high-capacity cache, and a lighter mid-tower footprint. Select the HP OMEN 45L if you require higher core counts from Intel and a unified 4 TB drive. Both desktop towers deliver identical graphics performance via the NVIDIA GeForce RTX 5080 and 64GB of DDR5 memory.
HP OMEN 35L Versus OMEN 45L
Processor architecture and clock speeds
Edge: HP OMEN 45L RTX 5080 Gaming Desktop
When you examine processor specifications, the HP Omen 45L RTX 5080 Gaming Desktop features an Intel Core Ultra 9 285K. This chip delivers 24 cores, 24 threads, a 3.20GHz base frequency, and up to a 5.70GHz max turbo frequency with 36MB of L3 cache. In contrast, the HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC carries an AMD Ryzen 9 9900X3D with 12 cores, 24 threads, and up to a 5.5GHz max boost clock. The AMD model provides a larger 128MB L3 cache and integrated AMD Radeon Graphics. However, the Intel build gives you double the core count and higher peak clock speeds.
Chassis size and desktop weight
Edge: HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC
Physical desktop dimensions impact where you place each tower. The HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC measures 8.4 inches wide, 16.7 inches high, and 16.3 inches long. It weighs 24.9 pounds, making it easier to lift and position on standard desks. On the other hand, the HP Omen 45L RTX 5080 Gaming Desktop measures 18.5 inches wide, 8.03 inches high, and 21.9 inches long. It weighs 49.8 pounds, which is exactly double the weight of the 35L chassis. If you have limited workspace or prefer a lighter frame, the compact footprint of the HP OMEN 35L gives you a clear physical advantage.
Port selection and wireless connectivity
Edge: HP OMEN 45L RTX 5080 Gaming Desktop
External connectivity determines what peripherals and networks you can attach directly. The HP Omen 45L RTX 5080 Gaming Desktop includes four SuperSpeed USB Type-A ports, two SuperSpeed USB Type-C ports, six USB 2.0 Type-A ports, five audio ports, RJ-45 Ethernet, and built-in Wi-Fi 6 with Bluetooth. Meanwhile, the HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC offers two 10Gbps USB Type-C ports, four 5Gbps USB Type-A ports, four USB 2.0 ports, four audio jacks, and RJ-45 networking. Both towers supply one HDMI and three DisplayPort connections. The HP Omen 45L offers more total USB ports, more audio ports, and stated wireless support.
Cooling hardware and power supply
Edge: HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC
Power stability and thermal cooling sustain peak performance under heavy loads. The HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC explicitly lists an 850 W 80 Plus Gold certified ATX 3.1 fully modular power supply. It also details thermal management via a 240 mm LCD liquid cooler. For the HP Omen 45L RTX 5080 Gaming Desktop, the data notes a power supply connection, but HP does not publish the exact wattage, efficiency rating, or cooler configuration in the listing. If you want verified hardware details for high-efficiency system power and dedicated liquid processor cooling, the HP OMEN 35L provides exact specifications.
Internal storage drive setup
Edge: Tie
Storage capacity determines how many local titles and working files you can keep on your system. Both desktop computers supply 4TB of high-speed PCIe NVMe M.2 solid-state storage, but they structure the drives differently. The HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC uses a dual-drive configuration with a 2TB PCIe Gen4 SSD alongside a second 2TB PCIe Gen4 NVMe M.2 SSD. The HP Omen 45L RTX 5080 Gaming Desktop installs a single 4TB PCIe NVMe M.2 drive. Because both systems deliver identical 4TB total solid-state space for your operating system and game library, neither holds an outright capacity edge.
Choosing Your OMEN Desktop Configuration
Gamers seeking massive L3 cache and smaller footprints
Our pick: HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC
You get an AMD Ryzen 9 9900X3D processor with 128 MB of L3 cache, well above the competing 36 MB. At 24.9 pounds, this chassis weighs half as much as the 49.8-pound alternative. It also includes an 850 W Gold modular power supply and a dedicated 240 mm LCD liquid cooler.
Users prioritizing high core counts and maximum boost clocks
Our pick: HP OMEN 45L RTX 5080 Gaming Desktop
Select this model if your workloads demand maximum multi-threaded performance. The Intel Core Ultra 9 285K processor delivers 24 cores and reaches clock speeds up to 5.70 GHz, exceeding the 12 cores and 5.5 GHz boost of the rival chip. The package also includes a bundled Thunderobot KG3089R gaming keyboard.
Desktops requiring integrated wireless connectivity and extensive peripherals
Our pick: HP OMEN 45L RTX 5080 Gaming Desktop
Choose this setup if you need wireless networking out of the box. It lists built-in Wi-Fi 6 and Bluetooth alongside twelve USB ports, including four SuperSpeed Type-A and two SuperSpeed Type-C. Five audio ports support multi-channel sound setups, while a single 4TB PCIe NVMe M.2 SSD holds all data.
HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC
Best for: gamers wanting Ryzen 9 power and 4TB storage
- Graphics Card
- NVIDIA GeForce RTX 5080
- Processor
- AMD Ryzen 9 9900X3D
- RAM Capacity
- 64GB
- Storage Capacity
- 2 TB + 2 TB
- Memory Type
- DDR5
- Storage Type
- PCIe Gen4 NVMe M.2 SSD
This gaming desktop pairs AMD's 12-core Ryzen 9 9900X3D processor with an NVIDIA GeForce RTX 5080 graphics card. You get 64GB of DDR5-5600 memory, two 2TB PCIe Gen4 SSDs for four terabytes of storage, and a 240 mm liquid cooler. It suits you if you run high-resolution games and demanding creator workloads in a mid-size tower.
- NVIDIA GeForce RTX 5080 graphics card with 16 GB GDDR7 memory
- AMD Ryzen 9 9900X3D 12-core processor with 128 MB L3 cache
- 64 GB DDR5-5600 RAM and dual 2 TB PCIe Gen4 SSDs
- 240 mm LCD liquid cooler paired with an 850 W Gold modular power supply
- Liquid cooling uses a 240 mm radiator rather than a larger 360 mm setup
- Four rear USB ports run on legacy USB 2.0 speeds
- Product specifications list no built-in Wi-Fi or Bluetooth connectivity
- You want an AMD Ryzen 9 9900X3D processor paired with RTX 5080 graphics.
- You need 64 GB of system memory and 4 TB of fast NVMe storage out of the box.
- You prefer a mid-tower footprint measuring 16.7 inches tall.
- You require factory-integrated wireless networking rather than wired RJ-45 Ethernet.
- You plan to run multi-component hardware configurations requiring more than an 850 W power supply.
Verdict: HP OMEN 35L Ryzen 9 RTX 5080 Desktop delivers heavy graphics and processing capability for users who need 64 GB of memory and 4 TB of storage. Its 16.7-inch chassis fits tighter spaces while supplying dedicated 16 GB GDDR7 graphical power.
HP OMEN 45L RTX 5080 Gaming Desktop
Best for: enthusiasts needing massive storage and high-end processing
- Graphics Card
- NVIDIA GeForce RTX 5080 16GB GDDR7
- Processor
- Intel Core Ultra 9 285K
- RAM Capacity
- 64GB
- Storage Capacity
- 4TB
- Memory Type
- DDR5
- Storage Type
- PCIe NVMe M.2 Solid State Drive
This full-size desktop pairs an Intel Core Ultra 9 285K 24-core processor with an NVIDIA GeForce RTX 5080 graphics card. You get 64GB of DDR5 memory and a 4TB PCIe NVMe solid-state drive for extensive local file capacity. It suits you if you need top-tier processing power and substantial high-speed storage for demanding graphics workloads and gameplay.
- Intel Core Ultra 9 285K processor with 24 cores and up to 5.70GHz turbo frequency
- NVIDIA GeForce RTX 5080 graphics with 16GB of GDDR7 memory
- 4TB PCIe NVMe M.2 solid-state drive with 64GB DDR5 RAM
- Six high-speed USB ports including two Type-C connections
- Heavy chassis weighing 49.8 pounds
- Six of the twelve USB Type-A ports run on slower USB 2.0
- You need 4TB of solid-state storage out of the box without adding extra drives.
- You run heavy multitasking tasks requiring 64GB of DDR5 memory and 24 CPU cores.
- You want multiple display outputs, including one HDMI and three DisplayPort connections.
- You need a lightweight chassis that is easy to move between desks.
- You prefer an AMD processor architecture over an Intel platform.
Verdict: HP Omen 45L RTX 5080 Gaming Desktop delivers immense compute power and a 4TB SSD for users handling heavy 3D rendering and enthusiast-grade gaming.
Specifications side by side
| Spec | HP OMEN 35L RTX 5080 Ryzen 9 Gaming PC | HP OMEN 45L RTX 5080 Gaming Desktop |
|---|---|---|
| Graphics Card | NVIDIA GeForce RTX 5080 | NVIDIA GeForce RTX 5080 16GB GDDR7 |
| Processor | AMD Ryzen 9 9900X3D | Intel Core Ultra 9 285K |
| RAM Capacity | 64GB | 64GB |
| Storage Capacity | 2 TB + 2 TB | 4TB |
| Memory Type | DDR5 | DDR5 |
| Storage Type | PCIe Gen4 NVMe M.2 SSD | PCIe NVMe M.2 Solid State Drive |
| Operating System | Windows 11 Home | Windows 11 Home |
| Memory | 64GB RAM | 64GB RAM |
| Use | Home | – |
| Dimensions | 16.3 × 8.4 × 16.7 inches | 21.9 × 18.5 × 8.03 inches |
| Weight | 24.9 pounds | 49.8 pounds |
| Size | 64GB | 2TB SSD + 2TB SSD | 64GB RAM | 4TB SSD |
| Color | Black | Black |
| Model | HP OMEN 35L Gaming GT17-0000a | GT22 |
Frequently asked questions
How does the storage configuration differ between the HP OMEN 35L and OMEN 45L?
The HP OMEN 35L uses two separate drives configured as a 2TB SSD plus another 2TB SSD. In contrast, the OMEN 45L comes with a single 4TB SSD specification. Both desktop configurations provide you with four terabytes of total solid-state capacity for games and applications.
What is the weight difference between the HP OMEN 35L and the OMEN 45L?
The HP OMEN 45L weighs 49.8 pounds, which is exactly double the weight of the HP OMEN 35L. The 35L chassis weighs 24.9 pounds. This substantial weight difference makes the 35L easier to lift, move, and position onto a standard home office desk setup.
Do both the HP OMEN 35L and OMEN 45L include 64GB of RAM?
Yes, both systems ship with 64GB of system memory. The OMEN 45L explicitly specifies high-speed DDR5 memory modules, ensuring fast data transfer rates for demanding tasks. Having 64GB gives you ample headroom for running demanding creative workloads, streaming tools, and high-end gaming simultaneously without memory bottlenecks.
What are the model numbers for these HP OMEN desktop configurations?
The HP OMEN 35L carries model number GT17-0000a, whereas the HP OMEN 45L is identified under the GT22 model line. These designations represent distinct chassis platforms within HP's gaming desktop lineup, dictating internal layout, enclosure volume, and component mounting points across the respective hardware generations.
How do the exterior dimensions of the OMEN 35L compare to the OMEN 45L?
The HP OMEN 35L measures 8.4 inches wide, 16.7 inches high, and 16.3 inches long. Meanwhile, the OMEN 45L chassis measures 18.5 inches wide, 8.03 inches high, and 21.9 inches long. The 35L requires noticeably less surface depth and horizontal width on your desk.
What graphics memory specification is included with the RTX 5080 in these desktops?
The GeForce RTX 5080 discrete graphics card in these builds features 16 GB of dedicated GDDR7 video memory. This high-bandwidth graphical memory handles large texture packs and high-resolution rendering tasks. You get identical graphics hardware capability whether choosing the OMEN 35L or the larger OMEN 45L.
What color options are available for the HP OMEN 35L and 45L?
Both the HP OMEN 35L and HP OMEN 45L are listed exclusively in a black finish. This standard color scheme gives each chassis a uniform, understated look that integrates easily into typical gaming setups. Both models rely on black exterior side panels and matching front fascias.
