Hardware Spec Index

Zephyra GX-2978 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX2978-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index24,016 (Graphics Cards scale)
Category rank#10,916
Street price$649
Power245 W (TGP)
Performance per dollar37.00
Released2021

Specifications

BrandZephyra
ModelZephyra GX-2978 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units9,472
Boost clock2,492 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)245 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 257 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-2978 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/6201852 (accessed 2026-10-20).