Gigabyte GeForce RTX 5080 GAMING OC 16G
Quick Product Overview
The Gigabyte GeForce RTX 5080 GAMING OC 16G, model GV-N5080GAMING OC-16GD, is Gigabyte's factory-overclocked implementation of NVIDIA's GeForce RTX 5080.
Gigabyte specifies 10,752 CUDA cores and a 2730 MHz core clock, compared with NVIDIA's 2617 MHz reference specification. The card carries 16GB of 30 Gbps GDDR7 across a 256-bit memory bus.
This is a physically large graphics card at 340 × 140 × 70 mm. Gigabyte specifies an 850W recommended power supply and one 16-pin graphics power connection.
Key Specifications
| Model | GV-N5080GAMING OC-16GD |
|---|---|
| Graphics Processor | NVIDIA GeForce RTX 5080 |
| Architecture | NVIDIA Blackwell |
| CUDA Cores | 10,752 |
| Core Clock | 2730 MHz |
| Reference Clock | 2617 MHz |
| Video Memory | 16GB GDDR7 |
| Memory Clock | 30 Gbps |
| Memory Interface | 256-bit |
| Card Bus | PCI Express 5.0 |
| DisplayPort | 3 × DisplayPort 2.1b |
| HDMI | 1 × HDMI 2.1b |
| Maximum Displays | 4 |
| Maximum Digital Resolution | 7680 × 4320 |
| Recommended PSU | 850W |
| Power Connector | 1 × 16-pin |
| Card Dimensions | 340 × 140 × 70 mm |
| PCB Form | ATX |
| DirectX | DirectX 12 API |
| OpenGL | OpenGL 4.6 |
Performance & Use-Case Information
High-Refresh 1440p
The RTX 5080 provides substantial graphics resources for high-refresh-rate 1440p gaming, including demanding modern titles.
4K Gaming
This GPU class is particularly relevant to high-resolution 4K gaming systems, with results varying by title, settings and enabled graphics technologies.
16GB GDDR7
Sixteen gigabytes of high-speed graphics memory provides substantial capacity for high-resolution textures and compatible GPU-accelerated workloads.
Blackwell Architecture
NVIDIA Blackwell provides the current RTX 50-series platform for graphics, ray tracing and AI-accelerated workloads.
RTX Technologies
Compatible games can use current NVIDIA RTX and DLSS technologies, including AI-assisted graphics features.
Creator Workloads
CUDA, RTX and Tensor hardware can accelerate compatible rendering, video, AI and GPU-compute applications.
Cooling & Card Design
Triple-Fan Cooling
Gigabyte uses a large three-fan cooling assembly designed to move air through the RTX 5080 GAMING OC heatsink.
Large Thermal Platform
The 340 mm card length and 70 mm thickness provide substantial physical volume for the card's cooling system.
Factory-Overclocked Design
Gigabyte raises the published core clock to 2730 MHz, above the 2617 MHz reference specification.
Structural Support
Gigabyte includes a versatile VGA holder with the card, useful for supporting the weight of the large graphics board.
Platform & Compatibility
PCI Express 5.0
Gigabyte specifies PCI Express 5.0 as the host interface for the RTX 5080 GAMING OC 16G.
850W Recommended PSU
Gigabyte recommends an 850W system power supply for this exact GAMING OC implementation.
16-Pin Power
The graphics card uses one 16-pin power connector. Gigabyte includes a 12V-2x6 to three PCIe 8-pin adapter.
340 mm Card Length
Chassis compatibility should be verified carefully because the card measures 340 mm long, 140 mm wide and 70 mm high.
Four Display Outputs
Three DisplayPort 2.1b connections and one HDMI 2.1b connection support up to four simultaneous displays.
8K Digital Maximum
Gigabyte specifies a maximum digital resolution of 7680 × 4320 on supported display configurations.
Works Best With
High-Performance Modern CPU
A capable current processor helps avoid unnecessary CPU-side limitations when pairing a system with a high-performance GPU.
Quality 850W+ PSU
Gigabyte recommends an 850W power supply. Builders should also account for the processor and the rest of the system.
High-Refresh 1440p / 4K Display
The RTX 5080 is relevant to premium high-refresh 1440p systems and demanding high-resolution 4K gaming configurations.
Memory, Power & Display Connectivity
16GB GDDR7
The card carries 16GB of current-generation GDDR7 graphics memory.
30 Gbps Memory
Gigabyte specifies a 30 Gbps memory clock across the 256-bit graphics-memory bus.
PCI Express 5.0
PCI Express 5.0 provides the card's host-platform interface.
1 × 16-Pin Power
A single 16-pin connector supplies supplementary GPU power. An adapter to three PCIe 8-pin connections is included.
3 × DisplayPort 2.1b
Three current-generation DisplayPort connections provide flexible high-resolution monitor connectivity.
1 × HDMI 2.1b
HDMI 2.1b provides additional connectivity for compatible monitors and high-resolution televisions.
What Published Technical Information Shows
Factory Overclock
Gigabyte specifies a 2730 MHz core clock, compared with NVIDIA's 2617 MHz reference clock for the RTX 5080.
10,752 CUDA Cores
Gigabyte documents 10,752 CUDA cores for the RTX 5080 graphics processor used by this card.
16GB / 256-Bit Memory
The card combines 16GB of 30 Gbps GDDR7 with a 256-bit memory interface.
Large Physical Design
The 340 × 140 × 70 mm dimensions place this card among physically substantial modern graphics boards.
850W PSU Recommendation
Gigabyte publishes an 850W recommended power-supply specification for this exact GAMING OC model.
Modern Display Connectivity
DisplayPort 2.1b and HDMI 2.1b provide current-generation connections for compatible monitors and televisions.
Where Research Agrees & Differs
Documented Hardware
Gigabyte documentation establishes the core hardware specifications: RTX 5080, 10,752 CUDA cores, 16GB GDDR7, 30 Gbps memory, PCIe 5.0, 2730 MHz core clock and four display outputs.
Real-World Results Vary
Published gaming and application results can differ according to processor, driver version, game or application version, resolution, graphics settings, cooling and test methodology.
Strengths & Limitations
Strengths
- NVIDIA Blackwell architecture
- 10,752 CUDA cores
- 16GB GDDR7 graphics memory
- 30 Gbps memory speed
- 256-bit memory interface
- 2730 MHz factory-overclocked core clock
- PCI Express 5.0
- Large triple-fan cooling platform
- 3 × DisplayPort 2.1b
- 1 × HDMI 2.1b
- Maximum four-display support
- VGA support holder included
Limitations & Planning Considerations
- Large 340 mm card length
- 70 mm card thickness requires substantial expansion space
- 850W recommended system power supply
- Requires one 16-pin GPU power connection
- Careful power-cable routing is important in tighter cases
- Actual operating clocks vary with conditions
- Performance varies by game and graphics settings
- Retail pricing and availability can change quickly
Upgrade Considerations
Check Case Clearance
Verify clearance for the full 340 × 140 × 70 mm card, including front-mounted radiators, fans and drive cages.
Check PSU Capacity
Gigabyte recommends an 850W PSU. The requirements of the processor and remaining system components must also be considered.
Plan GPU Support
The card's large physical dimensions make proper mechanical support useful. Gigabyte includes a versatile VGA holder.
Alternatives to Consider
Other GeForce RTX 5080 Models
Other RTX 5080 implementations can be compared for cooler dimensions, factory clocks, acoustics, power design and pricing.
GeForce RTX 5070 Ti
The RTX 5070 Ti provides another Blackwell option for buyers comparing system requirements, performance and current pricing.
Radeon RX 9070 XT
AMD's RDNA 4 RX 9070 XT provides a useful alternative for comparing raster performance, ray tracing, software features, power requirements and current market pricing.
Who Is It Best For?
Premium 1440p Systems
High-refresh-rate gaming systems where substantial GPU resources can be used to pursue high frame rates and demanding graphics settings.
4K Gaming Builds
Buyers researching a high-performance graphics card for modern high-resolution gaming and current RTX technologies.
Gaming & Creator Workstations
Systems that can benefit from 16GB GDDR7 together with NVIDIA CUDA, RTX and AI-acceleration technologies.
Rockin Box Tech Research Summary
The Gigabyte GeForce RTX 5080 GAMING OC 16G combines NVIDIA's RTX 5080 with 16GB of 30 Gbps GDDR7 and Gigabyte's large factory-overclocked GAMING OC design.
Gigabyte specifies 10,752 CUDA cores, a 256-bit memory bus, PCI Express 5.0 and a 2730 MHz core clock compared with the 2617 MHz reference specification.
The card measures 340 × 140 × 70 mm and requires careful chassis planning. Gigabyte recommends an 850W power supply and specifies one 16-pin graphics power connector.
For buyers researching a high-performance graphics platform for demanding 1440p, 4K or GPU-accelerated workloads, the RTX 5080 GAMING OC combines substantial graphics resources, 16GB GDDR7 and current-generation display connectivity in Gigabyte's large triple-fan configuration.
Research Sources
Gigabyte
GeForce RTX 5080 GAMING OC 16G official specifications, model number, core clock, memory, dimensions, outputs, accessories and power requirements.
NVIDIA
GeForce RTX 50-series Blackwell architecture, RTX platform, graphics technologies and current driver information.
Research Disclosure
Products are not necessarily physically tested by Rockin Box Tech.
Graphics performance, clock speeds, temperatures, acoustics, power consumption and application performance can vary according to processor, motherboard, memory, BIOS, graphics driver, operating system, case airflow, cooling, power configuration, application or game version, graphics settings, resolution and operating conditions.
Product specifications, firmware and driver support, pricing and availability may change after this review is published.