Hardware Spec Index

Zephyra GX-4978 XT 32GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4978-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index35,004 (Graphics Cards scale)
Category rank#28,070
Street price$1,549
Power355 W (TGP)
Performance per dollar22.60
Released2020

Specifications

BrandZephyra
ModelZephyra GX-4978 XT
Video memory32 GB GDDR6
Memory bus512-bit
Memory speed16 Gbps
Memory bandwidth1,024 GB/s
Shader units15,488
Boost clock2,557 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)355 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 319 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4978 XT 32GB GDDR6 Graphics Card”, https://vextor7.com/item/1604652 (accessed 2026-10-20).