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1440P Gaming PC Singapore - RX 9070 XT + Ryzen 7 7800X3D, $3,190 SGD
Quick answer: This 7800X3D gaming PC Singapore runs an XFX RX 9070 XT 16 GB and Ryzen 7 7800X3D inside the Montech X5M - Black. Priced at $3,190 SGD.
Last updated: March 2026
AT A GLANCE
Build Summary
Build Type
1440p Gaming PC
Key Components
RX 9070 XT + Ryzen 7 7800X3D
Case
Montech X5M - Black
Price
SGD $3,190
Watch the Build
High-Refresh-Rate 1440p Gaming with the 7800X3D and RDNA 4
This 7800X3D gaming PC Singapore runs an XFX RX 9070 XT 16 GB and Ryzen 7 7800X3D inside the Montech X5M - Black at $3,190 SGD. The Ryzen 7 7800X3D uses AMD's 3D V-Cache technology - a 64 MB L3 cache layer stacked vertically on the die, bringing total L3 to 96 MB. The larger cache pool cuts data-fetch latency in gaming workloads, producing higher frame rates in cache-sensitive titles compared to standard Ryzen 7 7700X processors at the same clock speed.
The XFX RX 9070 XT 16 GB is built on RDNA 4 and targets high-refresh-rate 1440p gaming, with the option to step into 4K rasterized gaming depending on the title and settings. The Montech X5M - Black is a mid-tower case designed for airflow, with four included ARGB fans keeping temperatures in check across both the GPU and CPU. Storage is a Lexar NM790 1 TB NVMe (Non-Volatile Memory Express) Gen 4 SSD. The Thermalright Peerless Assassin 120 - Black is a dual-tower air cooler with dual 120 mm fans rated for the 7800X3D's 120 W TDP (Thermal Design Power).
FULL SPECS
What's Inside
Motherboard
Gigabyte B650M Gaming Wi-Fi 6E & Bluetooth
Processor
Ryzen 7 7800X3D
Cooler
Thermalright Peerless Assassin 120 - Black
Graphics Card
Radeon RX 9070 XT 16 GB - XFX
Storage
Lexar NM790 1 TB Gen 4 SSD
RAM
KingBank RGB Soarblade DDR5 32 GB 6400 MHz - Black
Power Supply
Thermalright 850 W 80+ Gold
Case
Montech X5M - Black
Operating System
Activated Windows 11 Home 64-Bit
Fans
4 x ARGB Fans
Build Photos
Swipe or use arrows to see more photos.
GPU and Cooling
Close-up of the XFX Radeon RX graphics card installed beside the Thermalright Peerless Assassin air cooler, with blue ARGB lighting and clean cable routing inside the Montech X5M chassis.
RAM and Interior Detail
Detailed interior view showing the KingBank DDR5 memory beside the air cooler, highlighting the compact layout and organised cable management for balanced airflow.
Front I/O Detail
Top front panel close-up of the Montech X5M showing accessible USB ports, audio jack, and mesh ventilation design for daily desktop convenience.
Completed Build
Completed custom gaming PC build featuring the XFX RX 9070 XT, Ryzen 7 7800X3D, and Montech X5M chassis with airflow-focused mesh panels and blue ARGB lighting accents.
PERFORMANCE
Performance at 1440p
The RX 9070 XT 16 GB is built for high-refresh-rate 1440p gaming on RDNA 4. Tom's Hardware found the RX 9070 XT approaching RX 7900 XTX-level performance in several rasterized gaming tests. GamersNexus recorded 194 FPS in Resident Evil 4 Remake at 1440p, 118 FPS in Dying Light 2 at 1440p, and 109 FPS in Cyberpunk 2077 at 1440p Ultra. The card can also handle 4K rasterized gaming in selected titles and settings, though this build is primarily positioned for high-refresh-rate 1440p gaming.
The Ryzen 7 7800X3D's 96 MB of L3 cache from AMD's 3D V-Cache technology helps maintain strong gaming performance in CPU-sensitive titles. At 1080p and 1440p, the cache advantage can produce higher frame rates in CPU-sensitive titles than standard Ryzen 7 7700X chips. FSR 4 is available on RDNA 4, lifting frame rates further in supported titles. The Thermaltake 850 W 80+ Gold PSU provides enough headroom for both components under gaming load.
“RX 9070 XT should be considered a fantastic card for 1440p gaming.”
TechpowerupTotal Price
SGD $3,190
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
What is the difference between the 7800X3D and the 9800X3D for gaming?
Both CPUs use AMD's 3D V-Cache technology with 96 MB of L3 cache and follow the same core gaming principle - reducing cache-miss latency to push FPS higher in CPU-sensitive titles. The 9800X3D is the newer Zen 5 chip with higher base and boost clocks, and tests faster by around 10-15% in gaming benchmarks. The 7800X3D is a Zen 4 chip at a lower price point and still outperforms non-X3D CPUs in most gaming scenarios. At 1440p and above, gaming performance remains heavily GPU-dependent, so the difference between the two CPUs is smaller than benchmark charts alone may suggest.
Is the RX 9070 XT good for 1440p gaming?
Yes. The RX 9070 XT is well suited for high-refresh-rate 1440p gaming, with 16 GB VRAM and FSR 4 support in compatible titles. It can step into 4K rasterized gaming depending on the game and settings, but this build is best positioned as a strong 1440p gaming PC.
Is 32 GB DDR5 RAM enough for gaming and streaming?
Yes. 32 GB DDR5 is the current standard for gaming and streaming at the same time. Running OBS, Discord, and a browser alongside modern games stays comfortably within 32 GB for most gaming and streaming workloads. 64 GB is only relevant for content creation workloads like video editing in 4K or 3D rendering. The KingBank RGB Soarblade DDR5 32 GB 6400 MHz kit in this build runs at the AM5 platform's preferred speed range for the 7800X3D.
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