Hardware Spec Index

Zephyra GX-1668 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1668-XT · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index32,725 (Graphics Cards scale)
Category rank#11,827
Street price$1,229
Power335 W (TGP)
Performance per dollar26.63
Released2022

Specifications

BrandZephyra
ModelZephyra GX-1668 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units14,336
Boost clock2,169 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)335 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 306 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-1668 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7784412 (accessed 2026-10-25).