ASRock
AMD Radeon RX 6400 Challenger ITX 4GB GDDR6 0dB Silent Cooling 16 Gbps Graphics Card 8K 64bit 7680 x 4320 HDMI DisplayPort PCI Express 4.0
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The AMD Radeon RX 6400 Challenger ITX 4GB GDDR6 0dB Silent Cooling 16 Gbps Graphics Card 8K 64bit 7680 x 4320 HDMI DisplayPort PCI Express 4.0 is a niche pick — read recent reviews before buying in the graphics cards category, priced around $119.99. Read recent reviews carefully before committing.
Single Fan Design Optimized Cooling Efficiency. Single fan that provide strong cooling performance and make your gaming rig stay cool. It’s optimized for delivering excellent gaming experience with stylish and streamlined design. The fan spins when the temperature goes high for the optimal cooling, and stops when the temperature goes low for the complete silence.
SpecPicks Verdict
SpecPicks classifies ASRock AMD Radeon RX 6400 Challenger ITX 4GB GDDR6 0dB Silent… as a niche pick — read recent reviews before buying in the graphics cards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. ASRock's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Video review
A NOVA RX 6400 RODA TUDO POR R$1000! SERÁ QUE VALE MESMO? RX 6400 4GB — TecnoArt on YouTube
Pros & Cons
Pros
- ✓ 6nm AMD Radeon RX 6400
- ✓ Backed by ASRock's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 6nm AMD Radeon RX 6400
- 4GB GDDR6
- AMD RDNA 2 Architecture
- DirectX 12 Ultimate
- PCI Express 4.0 Support
Full Specifications
| Brand | ASRock |
|---|---|
| GPU Series | AMD RX 6000 Series |
| Model Name | RX6400 CLI 4G |
| Unit Count | 1.0 Count |
| Model Number | RX6400 CLI 4G |
| Built-In Media | 6nm AMD Radeon™ RX 6400 |
| Number of Fans | 1 |
| Mfr Part Number | RX6400 CLI 4G |
| Video Processor | AMD |
| Antenna Location | Gaming |
| Graphics Card Ram | 4 |
| Graphics Ram Size | 4 |
| Graphics Ram Type | GDDR6 |
| Compatible Devices | Desktop |
Ready to buy?
ASRock AMD Radeon RX 6400 Challenger ITX 4GB GDDR6 0dB Silent Cooling 16 Gbps Graphics Card 8K 64bit 7680 x 4320 HDMI DisplayPort PCI Express 4.0 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related Graphics Cards
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best Gaming Mouse Pad for Esports & Office Use in 2026
- Best Mac for AI & LLM Workloads in 2026
- Building a 2003-Era LAN Party Rig: Pentium 4, GeForce FX 5900, Audigy 2 ZS
- FIDECO vs Unitek vs Vantec: The Best IDE-to-USB Adapter for Rescuing Retro Drives in 2026
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5070
- Raspberry Pi 5 + Hailo-8 vs Jetson Orin Nano Super: Which Edge AI Box Wins for Vision Workloads?
- Ryzen AI Max vs RTX 40 Series: Which Wins for AI and Gaming?
- Sound Blaster Audigy 2 ZS vs Audigy FX for Windows XP Gaming (2026)
- Save $550 on iBuyPower RTX 5070 + 7800X3D 4K Gaming PC
- Best Components for a Budget Local-LLM Workstation in 2026
- Best Gaming Monitor for PS5 & High-Refresh PC Gaming (2026)
- Local Image Generation AI in 2026: AMD Hardware Performance & Setup Guide
- ComfyUI on an RTX 3060 12GB: Local Image Generation Setup
- Best Steam Deck Dock for 4K Desktop Gaming in 2026: JSAUX Docking Station Tested Against the Use Case
- Sony to End Physical PlayStation Disc Production by 2028: What It Means for Retro Collectors
- Pentium III Coppermine vs Tualatin: Which 2001 LAN Build CPU Aged Better
- MTP Decoding on RTX 3060 12GB: When Multi-Token Prediction Helps (and Hurts)
- Hailo-8 vs Hailo-8L vs Coral TPU: Which AI Accelerator Wins on Raspberry Pi 5?
- Best AM4 CPU to Pair With an RTX 3060 12GB in 2026
- GeForce 4 Ti 4600 AGP in 2026: Period-Correct Win98 Install Guide
- RTX 3060 12GB vs Arc B580 for 1080p Gaming: Which Wins?
- Lenovo G02 Retro Handheld Ships Preloaded With Thousands of Games
- AMD's Ryzen 7 7700X3D Goes Newegg-Exclusive at $329
- Best Single-Board Computer Project Kits for Beginners (2026)