Hardware Spec Index

Zephyra GX-1257 Ultra 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX1257-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index29,603 (Graphics Cards scale)
Category rank#45,479
Street price$1,059
Power305 W (TGP)
Performance per dollar27.95
Released2020

Specifications

BrandZephyra
ModelZephyra GX-1257 Ultra
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed18 Gbps
Memory bandwidth864 GB/s
Shader units12,672
Boost clock1,945 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)305 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 289 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-1257 Ultra 24GB GDDR6 Graphics Card”, https://vextor7.com/item/419637 (accessed 2026-10-20).