Zephyra GX-1821 XT 16GB GDDR7 Graphics Card
Graphics Cards · Zephyra · SKU GX1821-XT · Released 2025 · Updated 2026-10-27
Key facts
| Benchmark index | 27,971 (Graphics Cards scale) |
|---|---|
| Category rank | #38,340 |
| Street price | $889 |
| Power | 355 W (TGP) |
| Performance per dollar | 31.46 |
| Released | 2025 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra GX-1821 XT |
| Video memory | 16 GB GDDR7 |
| Memory bus | 256-bit |
| Memory speed | 32 Gbps |
| Memory bandwidth | 1,024 GB/s |
| Shader units | 11,520 |
| Boost clock | 2,383 MHz |
| Bus interface | PCIe 5.0 x16 |
| Total graphics power (TGP) | 355 W |
| Power connectors | 1× 12V-2x6 (16-pin) |
| Recommended PSU | 800 W |
| Ray tracing | Hardware-accelerated |
| Upscaling | FSR 4, FSR 3.1 |
| Display outputs | 1× HDMI 2.1b, 3× DisplayPort 2.1b |
| Resizable BAR | Supported |
| Card size | 3-slot, 284 mm |
Related guides
How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 1440p Gaming
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Cite this page: Hardware Spec Index, “Zephyra GX-1821 XT 16GB GDDR7 Graphics Card”, https://vextor7.com/item/75166023 (accessed 2026-10-27).