Hardware Spec Index

Orbita GX-6645 Pro 8GB GDDR6 Graphics Card

Graphics Cards · Orbita · SKU GX6645-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index20,242 (Graphics Cards scale)
Category rank#1,842
Street price$439
Power205 W (TGP)
Performance per dollar46.11
Released2022

Specifications

BrandOrbita
ModelOrbita GX-6645 Pro
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units7,424
Boost clock2,521 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)205 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 256 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Orbita GX-6645 Pro 8GB GDDR6 Graphics Card”, https://vextor7.com/item/6557879 (accessed 2026-10-20).