Hardware Spec Index

Zephyra GX-6456 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6456-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index30,197 (Graphics Cards scale)
Category rank#24,452
Street price$1,269
Power320 W (TGP)
Performance per dollar23.80
Released2020

Specifications

BrandZephyra
ModelZephyra GX-6456 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units13,440
Boost clock1,913 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)320 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 284 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6456 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/95023823 (accessed 2026-10-20).