Hardware Spec Index

Zephyra GX-1978 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1978-XT · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index22,950 (Graphics Cards scale)
Category rank#45,944
Street price$719
Power250 W (TGP)
Performance per dollar31.92
Released2024

Specifications

BrandZephyra
ModelZephyra GX-1978 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units9,728
Boost clock2,185 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)250 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 266 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1978 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/20047714 (accessed 2026-10-20).