Hardware Spec Index

Zephyra GX-8645 Pro 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8645-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index13,889 (Graphics Cards scale)
Category rank#12,979
Street price$229
Power155 W (TGP)
Performance per dollar60.65
Released2020

Specifications

BrandZephyra
ModelZephyra GX-8645 Pro
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units4,864
Boost clock2,082 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)155 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size2-slot, 230 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, “Zephyra GX-8645 Pro 12GB GDDR6 Graphics Card”, https://vextor7.com/item/18121007 (accessed 2026-10-19).