Hardware Spec Index

Zephyra GX-8645 XT 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8645-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index21,666 (Graphics Cards scale)
Category rank#24,573
Street price$529
Power220 W (TGP)
Performance per dollar40.96
Released2022

Specifications

BrandZephyra
ModelZephyra GX-8645 XT
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units8,320
Boost clock2,187 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)220 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 259 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 XT 8GB GDDR6 Graphics Card”, https://vextor7.com/item/3289183 (accessed 2026-10-24).