Hardware Spec Index

Orbita GX-3643 XT 16GB GDDR6 Graphics Card

Graphics Cards · Orbita · SKU GX3643-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index18,644 (Graphics Cards scale)
Category rank#42,057
Street price$399
Power200 W (TGP)
Performance per dollar46.73
Released2023

Specifications

BrandOrbita
ModelOrbita GX-3643 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units7,296
Boost clock1,765 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)200 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 235 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-3643 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4664609 (accessed 2026-10-21).