Hardware Spec Index

Zephyra GX-5643 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX5643-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index23,130 (Graphics Cards scale)
Category rank#36,635
Street price$739
Power245 W (TGP)
Performance per dollar31.30
Released2024

Specifications

BrandZephyra
ModelZephyra GX-5643 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units9,600
Boost clock1,986 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)245 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 255 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-5643 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/13323919 (accessed 2026-10-25).