Hardware Spec Index

Zephyra GX-1638 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1638-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index33,309 (Graphics Cards scale)
Category rank#27,353
Street price$1,339
Power350 W (TGP)
Performance per dollar24.88
Released2023

Specifications

BrandZephyra
ModelZephyra GX-1638 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units15,232
Boost clock2,161 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)350 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 304 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1638 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7189812 (accessed 2026-10-25).