Zephyra GX-4948 Ultra 12GB GDDR6 Graphics Card
Graphics Cards · Zephyra · SKU GX4948-ULTRA · Released 2019 · Updated 2026-10-19
Key facts
| Benchmark index | 25,882 (Graphics Cards scale) |
|---|---|
| Category rank | #43,915 |
| Street price | $839 |
| Power | 280 W (TGP) |
| Performance per dollar | 30.85 |
| Released | 2019 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra GX-4948 Ultra |
| Video memory | 12 GB GDDR6 |
| Memory bus | 192-bit |
| Memory speed | 14 Gbps |
| Memory bandwidth | 336 GB/s |
| Shader units | 11,392 |
| Boost clock | 2,413 MHz |
| Bus interface | PCIe 3.0 x16 |
| Total graphics power (TGP) | 280 W |
| Power connectors | 3× 8-pin PCIe |
| Recommended PSU | 700 W |
| Ray tracing | Hardware-accelerated |
| Upscaling | FSR 1 (spatial) |
| Display outputs | 1× HDMI 2.0b, 3× DisplayPort 1.4 |
| Resizable BAR | Supported (firmware update) |
| Card size | 3-slot, 275 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
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Cite this page: Hardware Spec Index, “Zephyra GX-4948 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/57911 (accessed 2026-10-19).