Building a Gaming PC under 5 Lakhs with RTX 5090: The Ultimate Powerhouse Rig in 2025

Summary of Performance

• ✅ 4K Gaming: Handles all modern AAA games at Ultra + Ray Tracing with ease
• ✅ 1440p Esports: 240Hz+ ready for competitive FPS and Battle Royale titles
• ✅ Workstation-Class Multitasking: Ideal for video editing, 3D rendering, AI workflows
• ✅ Thermal Management: Excellent cooling with NZXT Kraken 360 and H9 Flow RGB
• ✅ Future-Ready: Enough headroom for next-gen upgrades (GPU, storage, memory)

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🏆 Ideal For:

• 4K & Ultrawide Gaming at 120Hz+
• Streamers & YouTubers editing 4K/8K content
• Developers working on ML/AI locally
• Anyone building the ultimate performance gaming PC under ₹5,00,000

📊 Performance Matrix – RTX 5090 + i9-14900K Build (2025)

RTX 5090 Gaming PC Build – GPU​

The INNO3D GeForce RTX 5090 X3 OC is built for extreme gamers and content creators seeking the highest FPS, ray tracing power, and next-gen AI graphics. Featuring 32GB of ultra-fast GDDR7 memory, PCIe Gen 5.0 support, and a powerful triple-fan cooler, this card is designed to dominate 4K, 8K, and multi-monitor setups with ease.

Optimized for PCIe 5.0-ready motherboards like Z790 and X670E, the RTX 5090 X3 OC ensures zero bottlenecks in your ₹5 Lakh Gaming PC Build. With expected clock speeds above 2.8 GHz, DisplayPort 2.1, and DLSS 4.0 support, it sets a new benchmark in real-time rendering and AI-enhanced performance.

Whether you’re playing AAA titles at ultra settings, creating in Unreal Engine 5, or live streaming in 4K, this GPU is your ultimate powerhouse.

✅ Why Choose INNO3D RTX 5090 X3 OC?

• 🚀 32GB GDDR7 for future-proof gaming & 3D workloads
• 💨 X3 OC triple-fan design keeps thermals in check
• ⚙️ Built for PCIe Gen 5.0 platforms
• 🎮 Perfect pairing for Intel Core i9‑14900K or Ryzen 9 9950X
• 🖥️ Supports 4K 240Hz / 8K displays with DisplayPort 2.1

RTX 5090 Gaming PC Build – Processor​

i9-14900K for Gaming & Streaming

The Intel Core i9‑14900K is perfect for gamers who stream or create content. Its hybrid core design delivers excellent multitasking, so you can record gameplay, edit videos, and run background tasks without performance dips. When combined with an RTX 5090 and DDR5 RAM, it unlocks elite-level gaming and productivity power — ideal for streamers and creators building a premium PC around ₹5 Lakh.

Why the i9-14900K is Future-Proof

With support for PCIe 5.0, DDR5 memory, and Intel Thread Director, the i9‑14900K is built for the future. Whether you’re gaming today or upgrading your GPU later, it ensures long-term compatibility and maximum performance. For RTX 5090 builds, it eliminates CPU bottlenecks entirely — making it a solid investment for gamers who want future-ready power.

Maximize FPS with i9-14900K

Pairing the i9‑14900K with an RTX 5090 lets you push over 200+ FPS in many competitive titles at 1440p and 4K. With up to 6.0 GHz turbo speed and Intel’s latest optimizations, this CPU ensures every frame counts. It’s a must-have for serious gamers building a no-compromise ₹5 Lakh Gaming Rig.

Motherboard – RTX 5090 Gaming PC Build under 5 La​khs

The MSI MAG Z790 Tomahawk MAX WiFi is one of the best value motherboards for high-performance Intel builds, including the Core i9‑14900K. Packed with features like DDR5 support up to 7200+ MHz, PCIe 5.0 GPU and SSD slots, WiFi 7, and a robust 16+1+1 VRM, it’s perfect for serious gaming and productivity. If you’re building a ₹5 Lakh Gaming PC with RTX 5090, this board ensures stability, speed, and future-proofing — all without breaking the bank. The sleek all-black design and premium thermal solutions make it a favorite for enthusiasts seeking performance and aesthetics on a smart budget.

With four M.2 slots, including support for PCIe Gen 5 NVMe SSDs, the Z790 Tomahawk MAX WiFi delivers ultra-fast storage performance ideal for AAA game load times and 4K video editing. It also includes extended heatsinks and M.2 Shield Frozr to maintain thermal efficiency even during heavy usage. Paired with 64GB or 128GB of DDR5 RAM, this board is more than capable of handling high-end gaming, streaming, and multitasking on a daily basis.

Whether you’re building an Intel 14th Gen PC for 2025, a high-end streaming setup, or a future-ready RTX 5090 gaming PC, this motherboard offers the best mix of performance, features, and price. If you’re searching for the best Z790 motherboard under ₹35,000, the Tomahawk MAX WiFi stands out as a top recommendation for premium builders who value stability and next-gen connectivity without going overboard on extras.

RAM (Memory)- RTX 5090 Gaming PC Build under 5 Lakhs​

The Corsair Vengeance DDR5 64GB 7200MHz kit is one of the fastest and most stable memory solutions available in 2025 — perfect for pairing with top-tier CPUs like the Intel Core i9‑14900K or Ryzen 9 9950X. With a blazing-fast speed of 7200MHz and ultra-low latency, this kit ensures lightning-quick responsiveness in gaming, rendering, and multitasking workloads.

Engineered for Z790 and X670E motherboards, it supports Intel XMP 3.0 and AMD EXPO profiles, enabling easy one-click overclocking. Whether you’re building a ₹5 Lakh RTX 5090 Gaming PC or a future-proof creative workstation, Corsair’s premium components and heat management ensure rock-solid performance under load. For enthusiasts seeking elite-level RAM performance, the Vengeance DDR5 7200MHz is the gold standard.

Storage – RTX 5090 Gaming PC Build under 5 Lakhs​

The Samsung 990 PRO 2TB NVMe SSD is one of the fastest Gen 4 SSDs available today, making it the perfect storage solution for high-performance PCs. With sequential read speeds up to 7,450 MB/s and write speeds up to 6,900 MB/s, it delivers lightning-fast load times for games, apps, and large project files.

Whether you’re building a ₹5 Lakh Gaming PC with RTX 5090 or a creator workstation for video editing and 3D rendering, the 990 PRO ensures smooth, stutter-free performance. Powered by Samsung’s Pascal controller and V-NAND, it also features top-tier endurance and thermal control, ensuring reliable performance under heavy workloads.

✅ Why Choose Samsung 990 PRO for Your Build?⚙️ Ideal for Intel Z790 / AMD X670E motherboards

• 🧊 Built-in thermal throttling prevention
• 🧠 DRAM cache = fast multitasking & heavy file transfers
• 🔐 Backed by Samsung’s 5-year limited warranty

PSU – RTX 5090 Gaming PC Build under 5 Lakhs​

Corsair HX1200 – Ideal PSU for RTX 5090 Gaming PC Builds

Planning a high-end gaming PC build under ₹5 lakh? The Corsair HX1200 80+ Platinum Fully Modular PSU is the perfect choice for powering next-gen components like the NVIDIA RTX 5090 and Intel Core i9 or AMD Ryzen 9 processors. With 1200W of clean, stable power, it ensures flawless performance for AAA gaming, 4K rendering, and heavy multitasking.

Its fully modular design simplifies cable management and improves airflow—essential for modern cabinets and RGB builds. Backed by 80 PLUS Platinum efficiency, it minimizes power loss and reduces electricity bills, making it perfect for long gaming sessions or productivity workloads.

The Corsair HX1200 features a Zero RPM fan mode, keeping your build whisper-quiet when idle, and ramps up only when needed. Whether you’re building a workstation or a future-proof RTX 5090 gaming rig, this PSU guarantees stability, safety, and headroom for upgrades..

🔎 Why Choose Corsair HX1200?

• One of the best 1200W PSU in India for enthusiast-level PCs.
• Ideal for RTX 4090, i9/Ryzen 9, and multi-GPU systems.
• Backed by a solid 10-year warranty and proven Corsair reliability.

Cooler – RTX 5090 Gaming PC Build under 5 Lakhs​

he NZXT Kraken 360 RGB is one of the most advanced 360mm AIO liquid CPU coolers available in 2025, designed for gamers and PC enthusiasts building high-performance rigs under ₹5 lakh. It combines outstanding cooling, vibrant RGB lighting, and a slick 1.54″ LCD screen that displays real-time temps, system info, or custom images.

Featuring the reliable 7th generation Asetek pump, the Kraken 360 delivers whisper-quiet operation and exceptional thermal performance—ideal for cooling Intel Core i9, Ryzen 9, and even overclocked CPUs. The three F Series RGB fans offer high static pressure with customizable lighting through the intuitive NZXT CAM software.

Whether you’re building a gaming PC with RTX 5090 or a powerful workstation, the Kraken 360 RGB ensures stability, style, and serious performance. With support for the latest CPU sockets including LGA 1700 and AM5, this cooler is future-ready and built to impress.

Cabinet (Case)- RTX 5090 Gaming PC Build under 5 Lakhs​

NZXT H9 Flow RGB – Premium Airflow Case for High-End Gaming PCs (2025)

The NZXT H9 Flow RGB (2025 Edition) is a premium dual-chamber mid-tower case, built for gamers and PC enthusiasts who demand maximum cooling, airflow, and aesthetic appeal. With support for E-ATX motherboards and 360mm radiators on three sides, this case is perfect for high-end builds featuring the NVIDIA RTX 5090, Intel Core i9, or Ryzen 9 processors.

Designed with a unique wrap-around dual tempered glass panel, it delivers a showcase-style view for your GPU, AIO, and RGB components. It comes pre-installed with 4 RGB fans, and supports up to 10 fans total — making it one of the best airflow cases in the mid-tower segment.

The dual-chamber layout separates power supply and cables from the main components, improving thermals and cable management. Its generous internal space allows for tall air coolers, vertical GPU mounts, and custom water-cooling loops.

If you’re planning a gaming PC build under ₹5 lakh or want a future-ready chassis for next-gen GPUs, the NZXT H9 Flow RGB offers top-tier cooling potential, clean aesthetics, and excellent build flexibility.