Hardware Spec Index

Zephyra GX-3988 Ultra 8GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX3988-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index23,871 (Graphics Cards scale)
Category rank#49,929
Street price$649
Power310 W (TGP)
Performance per dollar36.78
Released2026

Specifications

BrandZephyra
ModelZephyra GX-3988 Ultra
Video memory8 GB GDDR7
Memory bus128-bit
Memory speed28 Gbps
Memory bandwidth448 GB/s
Shader units9,600
Boost clock2,331 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)310 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 263 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3988 Ultra 8GB GDDR7 Graphics Card”, https://vextor7.com/item/19982964 (accessed 2026-10-20).