Hardware Spec Index

Zephyra GX-8455 XT 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8455-XT · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index23,495 (Graphics Cards scale)
Category rank#33,216
Street price$669
Power250 W (TGP)
Performance per dollar35.12
Released2023

Specifications

BrandZephyra
ModelZephyra GX-8455 XT
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units9,728
Boost clock1,875 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)250 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 272 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8455 XT 12GB GDDR6 Graphics Card”, https://vextor7.com/item/1237982 (accessed 2026-10-18).