ASRock
ASRock Challenger Radeon RX 7800 XT OC RX7800XT CL 16GO 16GB GDDR6-90-GA4SZZ-00UANF
Bottom line: The ASRock Challenger Radeon RX 7800 XT OC RX7800XT CL 16GO 16GB ($539.99 on Amazon as of 2026-10-06): 16GB GDDR6 on a 256-bit bus handles 1440p ultra textures without VRAM swapping; main trade-off: requires two 8-pin PCIe power connectors, not a single 8-pin or 12VHPWR.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 16GB GDDR6 on a 256-bit bus handles 1440p ultra textures without VRAM swapping
- ✓ 60 RDNA 3 compute units with dedicated ray tracing and AI accelerators
- ✓ Boost clock up to 2475 MHz, game clock 2169 MHz at 19.5 Gbps memory speed
- ✓ 3x DisplayPort 2.1 plus HDMI 2.1 drives four high-refresh displays
- ✓ 0dB silent cooling idles the dual fans completely under light load
Cons
- ✗ Requires two 8-pin PCIe power connectors, not a single 8-pin or 12VHPWR
- ✗ RDNA 3 ray tracing trails Nvidia equivalents in path-traced titles
- ✗ Dual-fan cooler is louder under sustained load than triple-fan RX 7800 XT variants
- ✗ No factory backplate RGB or fan-header control beyond the basic LED indicator
Manufacturer description
Clock: GPU / Memory Boost Clock*: Up to 2475 MHz / 19.5 Gbps Game Clock**: 2169 MHz / 19.5 Gbps Key Specification AMD Radeon™ RX 7800 XT GPU 16GB GDDR6 on 256-Bit Memory Bus 60 AMD RDNA™ 3 Compute Units (with RT+AI Accelerators) 64MB AMD Infinity Cache™ technology Microsoft® DirectX® 12 Ultimate PCI® Express 4.0 Support 2 x 8-pin Power Connectors 3 x DisplayPort™ 2.1***, 1 x HDMI™ 2.1 Key Features Dual Fan Design Stylish Metal Backplate Striped Ring Fan Ultra-fit Heatpipe LED Indicator 0dB Silent Cooling Super Alloy Graphics Card
SpecPicks Verdict
SpecPicks scored ASRock Challenger Radeon RX 7800 XT OC RX7800XT CL 16GO 16GB 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
Thank you for not spitting in my face – AMD Radeon RX 7700 XT & 7800 XT Review — Linus Tech Tips on YouTube
Key Features
- AMD Radeon RX 7800 XT GPU
- 16GB GDDR6 on 256-Bit Memory Bus
- 60 AMD RDNA 3 Compute Units (with RT+AI Accelerators)
- 64MB AMD Infinity Cache technology
- Microsoft DirectX 12 Ultimate
Full Specifications
| Brand | ASRock |
|---|---|
| GPU Series | AMD Radeon RX 7000 Series |
| Model Name | RX7800XT CL 16GO |
| Unit Count | 1.0 Count |
| Model Number | RX7800XT CL 16GO |
| Built-In Media | 1 x Graphics Card, 1 x Quick Installation Guide |
| Number of Fans | 3 |
| Mfr Part Number | RX7800XT CL 16GO |
| Video Processor | AMD |
| Antenna Location | Gaming |
| Graphics Card Ram | 16 GB |
| Graphics Ram Size | 16 GB |
| Graphics Ram Type | GDDR6 |
| Compatible Devices | Desktop |
| Memory Clock Speed | 19500 MHz |
| Graphics Coprocessor | AMD Radeon RX 7800 XT |
| Graphics Description | Exclusive |
| Warranty Description | 2 year manufacturer |
| Item Dimensions L x W | 19.69"L x 19.69"W |
| Video Output Interface | DisplayPort, HDMI |
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the Radeon RX 7800 XT — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Which local LLMs fit in 16 GB?
16 GB holds a 20–27B model at Q4 with a modest context window; 30B-class weights need 24 GB.
- ✅ 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) — needs 20 GB+
- ❌ 30–35B models (Qwen 3 32B, QwQ 32B) — needs 24 GB+
- ❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+
Across 9 community runs from 7 sources, the Radeon RX 7800 XT generates a median 100.9 tok/s on 7–9B models at Q4 (per LocalScore.ai).
Ready to buy?
ASRock Challenger Radeon RX 7800 XT OC RX7800XT CL 16GO 16GB GDDR6-90-GA4SZZ-00UANF is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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