Hardware Spec Index

Orbita GX-8645 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Orbita · SKU GX8645-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index30,565 (Graphics Cards scale)
Category rank#34,543
Street price$1,119
Power315 W (TGP)
Performance per dollar27.31
Released2024

Specifications

BrandOrbita
ModelOrbita GX-8645 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed20 Gbps
Memory bandwidth640 GB/s
Shader units13,312
Boost clock2,388 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)315 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 292 mm

Related guides

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Cite this page: Hardware Spec Index, “Orbita GX-8645 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/9934306 (accessed 2026-10-23).