Nexora GX-6643 SE 24GB GDDR7 Graphics Card
Graphics Cards · Nexora · SKU GX6643-SE · Released 2025 · Updated 2026-10-23
Key facts
| Benchmark index | 33,549 (Graphics Cards scale) |
|---|---|
| Category rank | #29,557 |
| Street price | $1,369 |
| Power | 425 W (TGP) |
| Performance per dollar | 24.51 |
| Released | 2025 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora GX-6643 SE |
| Video memory | 24 GB GDDR7 |
| Memory bus | 384-bit |
| Memory speed | 28 Gbps |
| Memory bandwidth | 1,344 GB/s |
| Shader units | 14,336 |
| Boost clock | 2,526 MHz |
| Bus interface | PCIe 5.0 x16 |
| Total graphics power (TGP) | 425 W |
| Power connectors | 1× 12V-2x6 (16-pin) |
| Recommended PSU | 850 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 | 3.5-slot, 298 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, “Nexora GX-6643 SE 24GB GDDR7 Graphics Card”, https://vextor7.com/item/3072428 (accessed 2026-10-23).