Hardware Spec Index

Zephyra GX-4643 Ultra 8GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4643-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index21,173 (Graphics Cards scale)
Category rank#21,283
Street price$569
Power285 W (TGP)
Performance per dollar37.21
Released2026

Specifications

BrandZephyra
ModelZephyra GX-4643 Ultra
Video memory8 GB GDDR7
Memory bus128-bit
Memory speed28 Gbps
Memory bandwidth448 GB/s
Shader units8,576
Boost clock2,810 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)285 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 249 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4643 Ultra 8GB GDDR7 Graphics Card”, https://vextor7.com/item/52592103 (accessed 2026-10-24).