Hardware Spec Index

Zephyra GX-9645 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX9645-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index12,814 (Graphics Cards scale)
Category rank#3,662
Street price$189
Power175 W (TGP)
Performance per dollar67.80
Released2025

Specifications

BrandZephyra
ModelZephyra GX-9645 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units4,224
Boost clock2,818 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)175 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 216 mm

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Cite this page: Hardware Spec Index, “Zephyra GX-9645 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/48416031 (accessed 2026-10-20).