ASRock
ASRock AMD Radeon RX 7900 XTX Phantom Gaming 24GB OC GDDR6 Graphics Card DisplayPort HDMI 384-Bit
Status: ASRock AMD Radeon RX 7900 XTX Phantom Gaming… (RX 7900 XTX 24GB graphics card): Unavailable on Amazon as of . Closest in-stock match (same RX 7900 XTX 24GB graphics card): ASRock Phantom Gaming Radeon RX 7900 XTX 24GB OC…, $1,889.00 on Amazon as of 2026-10-21 20:20 UTC (price may vary). eBay sellers may still list this model new or used.
Bottom line: The ASRock AMD Radeon RX 7900 XTX Phantom Gaming 24GB OC GDDR6 Graphics: 24GB GDDR6 on a 384-bit bus handles 4K texture loads and large local LLM models; main trade-off: three 8-pin power connectors demand a high-wattage PSU with spare cables.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Same RX 7900 XTX 24GB graphics card: ASRock Phantom Gaming Radeon RX 7900 XTX 24GB OC… — $1,889.00 on Amazon as of 2026-10-21 20:20 UTC (price may vary).
Similar: ASUS TUF Gaming AMD Radeon RX 7900 XT OC Edition… — $1,219.87 on Amazon as of 2026-10-21 20:20 UTC (price may vary).
Similar: Sapphire 21323-01-20G AMD Radeon RX 7900 XT… — $869.99 on Amazon as of 2026-10-21 20:20 UTC (price may vary).
Pros & Cons
Pros
- ✓ 24GB GDDR6 on a 384-bit bus handles 4K texture loads and large local LLM models
- ✓ Boost clock up to 2615MHz factory OC, above AMD reference RX 7900 XTX spec
- ✓ 96 RDNA 3 compute units with dedicated ray tracing and AI accelerators
- ✓ 96MB Infinity Cache cuts memory latency at 4K resolutions
- ✓ Triple DisplayPort 2.1 plus HDMI 2.1 drives four high-refresh displays
Cons
- ✗ Three 8-pin power connectors demand a high-wattage PSU with spare cables
- ✗ Phantom Gaming 3X triple-fan shroud needs a roomy case with clearance
- ✗ 0dB silent mode means fans stop, so case airflow matters under load
- ✗ Polychrome SYNC lighting requires ASRock software, adding another utility
Manufacturer description
Clock: GPU / Memory Boost Clock*: Up to 2615MHz / 20Gbps Game Clock**: 2455MHz / 20Gbps Key Specifications AMD Radeon™ RX 7900 XTX GPU 24GB GDDR6 on 384-Bit Memory Bus 96 AMD RDNA™ 3 Compute Units (With Rt+Ai Accelerators) 96MB AMD Infinity Cache™ Technology PCI® Express 4.0 Support 3 x 8-pin Power Connectors 3 x DisplayPort™ 2.1 / 1 x HDMI™ 2.1 Key Features Polychrome SYNC Phantom Gaming 3X Cooling System Striped Ring Fan Reinforced Metal Frame Stylish Metal Backplate 0dB Silent Cooling
SpecPicks Verdict
SpecPicks scored ASRock AMD Radeon RX 7900 XTX Phantom Gaming 24GB OC GDDR6 Graphics… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. ASRock's graphics cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Video review
AMD Radeon RX 7900 XTX Review & GPU Benchmarks: Gaming, Thermals, Power, & Noise — Gamers Nexus on YouTube
Key Features
- Polychrome SYNC
- Phantom Gaming 3X Cooling System
- Striped Ring Fan
- Reinforced Metal Frame
- Stylish Metal Backplate
Full Specifications
| ASIN | B0BTPK5J68 |
|---|---|
| Brand | ASRock |
| Model Name | RX7900XTX PG 24GO |
| Item Weight | 1552 Grams |
| Manufacturer | ASRock |
| Model Number | RX7900XTX PG 24GO |
| Built-In Media | Quick Installation Guide |
| Number of Fans | 3 |
| Video Processor | AMD |
| Antenna Location | Gaming |
| Graphics Card Ram | 24 GB |
| Graphics Ram Size | 24 GB |
| Graphics Ram Type | GDDR6 |
| Compatible Devices | Desktop |
| Memory Clock Speed | 20000 MHz |
| Graphics Coprocessor | AMD Radeon RX 7900 XTX |
| Graphics Description | Dedicated |
| Warranty Description | 3 YEARS |
| Item Dimensions L x W | 12.99"L x 5.51"W |
| Video Output Interface | DisplayPort, HDMI |
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the Radeon RX 7900 XTX — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Which local LLMs fit in 24 GB?
24 GB holds a 30–35B model at Q4 entirely in VRAM — the step where 27B-class models stop spilling to system RAM.
- ✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
- ✅ 12–14B models (Qwen 3 14B, Phi-4) — fits at Q4
- ✅ 20–27B models (Gemma 3 27B, Mistral Small) — fits at Q4
- ✅ 30–35B models (Qwen 3 32B, QwQ 32B) — fits at Q4
- ❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+
Across 9 community runs from 8 sources, the Radeon RX 7900 XTX generates a median 138.6 tok/s on 7–9B models at Q4 (per llama.cpp GitHub issue #20934).
Ready to buy?
Amazon shows no buyable offer for ASRock AMD Radeon RX 7900 XTX Phantom Gaming… at the last check. The closest in-stock match with the same RX 7900 XTX 24GB graphics card is ASRock Phantom Gaming Radeon RX 7900 XTX 24GB OC…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Graphics Cards
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best 1440p Gaming GPUs in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
More reviews from the SpecPicks archive
Browse all reviews →- Qwen-Audio-3.0-TTS-Plus Tops the Speech Arena: Run It Locally on an RTX 3060?
- RTX 3060 12GB vs RTX 3090 for Local LLMs (2026)
- Can a Raspberry Pi 4 8GB Run Local LLMs in 2026?
- Adafruit Ships a Triple LED Matrix Bonnet for the Raspberry Pi
- RTX 5090 AI Cores: What the Specs Actually Mean in 2026
- CRT Monitor vs TV for Retro Gaming: Which Actually Looks Right?
- How to Build a $2000 Home AI Rig in 2026: Used RTX 3090 Guide
- AI-Driven Driver Recovery for SB Live! and Audigy on Win98: How an LLM Watches the Installer
- Open WebUI on a Raspberry Pi 4, Inference on an RTX 3060: The Split-Brain Home LLM Stack
- Running Your Own AI Guardrail Model on a 12GB GPU in 2026
- Strix Halo Clustering for Local LLMs: What the LocalLLaMA Reports Show
- Which GPU Runs Which LLM in 2026: The RTX 3060 12GB Model-Fit Matrix
- Qwen3.6-35B-A3B vs Gemma4-26B-A4B: Which MoE Fits a 12GB RTX 3060
- Claude Fable 5 Tops the Intelligence Index: What Frontier Cloud AI Means for Local Rig Builders
- vLLM vs Ollama for a Single-User 12GB Rig in 2026
- Intel Core Ultra X7 Panther Lake Performance on Linux 7.1
- IPEX-LLM Ollama Update 2026: What's New for Intel GPU Rigs
- Anthropic's Samsung Chip Talks: Why Local Inference on an RTX 3060 Still Matters
- Best Sound Card and DAC for Competitive FPS Players in 2026
- The Half-Life Mod Era That Built Modern Multiplayer: Counter-Strike, Day of Defeat, TFC, Natural Selection
- Bridging Retro Audio: Sound Blaster Legacy to a Modern Sound BlasterX G6
- Claude Opus 4.8 Tops the Intelligence Index — How Close Can a $300 RTX 3060 Get Locally?
- Build Your Own Gaming PC in 2026: The 5 Components That Actually Matter
- Sound Blaster G6 on a Modern Retro Build: When a USB DAC Beats an AWE32
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090