Hardware Spec Index

Zephyra GX-4644 Ultra 8GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4644-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index17,941 (Graphics Cards scale)
Category rank#37,616
Street price$349
Power230 W (TGP)
Performance per dollar51.41
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4644 Ultra
Video memory8 GB GDDR7
Memory bus128-bit
Memory speed28 Gbps
Memory bandwidth448 GB/s
Shader units6,400
Boost clock2,425 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)230 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2.5-slot, 240 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4644 Ultra 8GB GDDR7 Graphics Card”, https://vextor7.com/item/2715541 (accessed 2026-10-25).