Hardware Spec Index

Zephyra GX-7643 Core 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX7643-CORE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index14,022 (Graphics Cards scale)
Category rank#26,428
Street price$189
Power145 W (TGP)
Performance per dollar74.19
Released2021

Specifications

BrandZephyra
ModelZephyra GX-7643 Core
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units4,096
Boost clock2,116 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)145 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 220 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-7643 Core 8GB GDDR6 Graphics Card”, https://vextor7.com/item/1629682 (accessed 2026-10-22).