Zephyra GX-1821 Prime 12GB GDDR6X Graphics Card
Graphics Cards · Zephyra · SKU GX1821-PRIME · Released 2023 · Updated 2026-10-23
Key facts
| Benchmark index | 27,943 (Graphics Cards scale) |
|---|---|
| Category rank | #16,475 |
| Street price | $889 |
| Power | 285 W (TGP) |
| Performance per dollar | 31.43 |
| Released | 2023 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra GX-1821 Prime |
| Video memory | 12 GB GDDR6X |
| Memory bus | 192-bit |
| Memory speed | 22.4 Gbps |
| Memory bandwidth | 538 GB/s |
| Shader units | 11,648 |
| Boost clock | 1,812 MHz |
| Bus interface | PCIe 4.0 x16 |
| Total graphics power (TGP) | 285 W |
| Power connectors | 1× 12V-2x6 (16-pin) |
| Recommended PSU | 700 W |
| Ray tracing | Hardware-accelerated |
| Upscaling | DLSS 3 |
| Display outputs | 1× HDMI 2.1, 3× DisplayPort 1.4a |
| Resizable BAR | Supported |
| Card size | 3-slot, 286 mm |
Related guides
How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingGDDR7 Memory ExplainedChoosing a GPU for 4K GamingPCIe 5.0 Explained
Similar Graphics Cards
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Orbita GX-1966 XT 12GB GDDR6 Graphics Card | 22,527 | $589 | Compare |
| Kyndral GX-8039 Ti 32GB GDDR6X Graphics Card | 41,687 | $2,229 | Compare |
| Veltrix GX-5369 Max 16GB GDDR6 Graphics Card | 25,293 | $749 | Compare |
| Veltrix GX-8136 Ultra 16GB GDDR6X Graphics Card | 30,948 | $1,309 | Compare |
| Orbita GX-6030 Core 8GB GDDR6 Graphics Card | 23,849 | $679 | Compare |
| Nexora GX-5173 XT 8GB GDDR6 Graphics Card | 10,163 | $119 | Compare |
Cite this page: Hardware Spec Index, “Zephyra GX-1821 Prime 12GB GDDR6X Graphics Card”, https://vextor7.com/item/85968558 (accessed 2026-10-23).