Hardware Spec Index

Orbita GX-3645 Pro 12GB GDDR7 Graphics Card

Graphics Cards · Orbita · SKU GX3645-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index27,170 (Graphics Cards scale)
Category rank#10,617
Street price$789
Power340 W (TGP)
Performance per dollar34.44
Released2026

Specifications

BrandOrbita
ModelOrbita GX-3645 Pro
Video memory12 GB GDDR7
Memory bus192-bit
Memory speed28 Gbps
Memory bandwidth672 GB/s
Shader units11,008
Boost clock2,643 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)340 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 273 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 1440p Gaming

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Cite this page: Hardware Spec Index, “Orbita GX-3645 Pro 12GB GDDR7 Graphics Card”, https://vextor7.com/item/460584 (accessed 2026-10-20).