Hardware Spec Index

Zephyra GX-8668 XT 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8668-XT · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index13,236 (Graphics Cards scale)
Category rank#26,248
Street price$199
Power150 W (TGP)
Performance per dollar66.51
Released2024

Specifications

BrandZephyra
ModelZephyra GX-8668 XT
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units4,352
Boost clock1,864 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)150 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 229 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-8668 XT 12GB GDDR6 Graphics Card”, https://vextor7.com/item/8044713 (accessed 2026-10-22).