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7800X3D Gaming PC Singapore — RTX 5080, $4,880 SGD
Quick answer: This custom 7800X3D gaming PC Singapore build combines the Ryzen 7 7800X3D with the Asus RTX 5080 16 GB for 4K gaming at $4,880 SGD, built and delivered by Mansa Computers.
Last updated: March 2026
AT A GLANCE
Build Summary
Build Type
4K Gaming PC
Key Components
Ryzen 7 7800X3D + RTX 5080 16 GB
Case
Corsair Frame 4000D RS ARGB - Black
Price
SGD $4,880
See the Original Instagram Post
4K Gaming on the Ryzen 7 7800X3D
This 7800X3D gaming PC Singapore build delivers strong 4K gaming performance on the Asus RTX 5080 16 GB. DLSS 4 Multi Frame Generation and RT Overdrive can improve frame rates further in supported titles.
The 7800X3D's 96 MB L3 cache helps reduce CPU bottlenecks across demanding 4K games and keeps frame pacing stable during long gaming sessions. At 4K, the GPU processes most of the rendering work, making the CPU less likely to become the main performance bottleneck in modern games. A Corsair Nautilus RS 240 ARGB AIO liquid cooler keeps the CPU cool. The Lexar NM990 2 TB Gen 5 NVMe (Non-Volatile Memory Express) SSD holds a full game library with fast load times. The Corsair RMe 850 W 80+ Gold PSU has enough capacity for the RTX 5080's power requirements with room to spare. The Corsair Frame 4000D RS ARGB case in black houses the build, with three ARGB fans included for airflow and lighting.
FULL SPECS
What's Inside
Motherboard
Asus B650-E TUF Gaming Wi-Fi 6E & Bluetooth
Processor
Ryzen 7 7800X3D
Cooler
Corsair ARGB Nautilus RS 240 AIO - Black
Graphics Card
Nvidia RTX 5080 16 GB (TUF O16G) - Asus
Storage
Lexar NM990 2 TB Gen 5 SSD
RAM
Lexar Thor RGB 32 GB DDR5 6000 MHz - Black
Power Supply
Corsair RMe 850 W 80+ Gold
Case
Corsair Frame 4000D RS ARGB - Black
Operating System
Activated Windows 11 Home 64-Bit
Accessory
3 x ARGB Fans
Build Photos
Swipe or use arrows to see more photos.
GPU and Cooling
Close-up of the Asus TUF RTX 5080 installed inside the Corsair Frame 4000D RS ARGB case, with clean cable routing, rear exhaust airflow, and blue ARGB lighting.
AIO Pump Detail
Close-up of the Corsair Nautilus RS 240 AIO pump block mounted on the Ryzen 7 7800X3D, with black sleeved tubes and blue lighting accents.
RAM and Cable Management
Interior view showing the Lexar Thor RGB DDR5 memory beside the motherboard, with tidy cable routing and blue RGB lighting inside the build.
Front Airflow Detail
Front panel close-up of the Corsair Frame 4000D RS ARGB, showing the mesh airflow design and blue-lit front intake fans.
Completed Build
Completed 4K gaming PC featuring the Asus RTX 5080, Ryzen 7 7800X3D, Corsair Nautilus RS 240 AIO, and Corsair Frame 4000D RS ARGB case with blue lighting.
PERFORMANCE
Performance at 4K
NoobFeed tested Cyberpunk 2077 at 4K on the RTX 5080 and described native 4K as playable, with DLSS and Frame Generation improving performance further. Tom's Hardware tested the RTX 5080 across a 4K benchmark suite and found it delivered strong 4K gaming performance, especially when DLSS 4 and Multi Frame Generation are used in supported titles.
Nvidia demonstrated Black Myth: Wukong running close to 160 FPS at 4K with DLSS 4 Multi Frame Generation, Full Ray Tracing, and max game settings on the RTX 5080. The 7800X3D's 96 MB L3 cache helps maintain smoother 1% lows and more consistent frame pacing in demanding games. At 4K, the GPU processes the bulk of the rendering work, and the CPU is less likely to be the main performance bottleneck in most current games.
The 7800X3D boosts L3 cache capacity to 96 MB through a 3D-stacked chiplet, securing its place among the best CPUs for gaming.
Tom's HardwareTotal Price
SGD $4,880
Pricing as of March 2026. Component prices change with market conditions. Press the WhatsApp button on the right to speak with us if you need help with a PC build for a current quote.
FAQ
Frequently Asked Questions
How much does a 7800X3D gaming PC cost in Singapore?
This build with the Ryzen 7 7800X3D and Asus RTX 5080 16 GB is $4,880 SGD. Switching to an RTX 5070 Ti brings the price down. Moving up to an RTX 5090 pushes it higher. Press the WhatsApp button on the right for a current quote on any spec combination.
Does the Ryzen 7 7800X3D bottleneck the RTX 5080 at 4K?
No. At 4K, the GPU carries most of the rendering workload and the CPU's role shrinks. The 7800X3D's 96 MB L3 cache helps minimise CPU bottlenecks across demanding titles. This build delivers strong 4K gaming performance in Cyberpunk 2077, while DLSS 4 Multi Frame Generation and RT Overdrive can improve frame rates further in supported titles.
What games can this PC run at 4K?
Cyberpunk 2077 is playable at native 4K on the RTX 5080, while DLSS 4 Multi Frame Generation and RT Overdrive can improve frame rates further in supported titles. NVIDIA also demonstrated Black Myth: Wukong running above 160 FPS at 4K with DLSS 4 Multi Frame Generation enabled on the RTX 5080.
Want Something Like This?
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