Hardware Spec Index

Zephyra GX-8639 Prime 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX8639-PRIME · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index37,712 (Graphics Cards scale)
Category rank#20,994
Street price$1,999
Power495 W (TGP)
Performance per dollar18.87
Released2026

Specifications

BrandZephyra
ModelZephyra GX-8639 Prime
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed28 Gbps
Memory bandwidth896 GB/s
Shader units17,280
Boost clock2,570 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)495 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU900 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 332 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8639 Prime 16GB GDDR7 Graphics Card”, https://vextor7.com/item/31928897 (accessed 2026-10-23).