Hardware Spec Index

Zephyra GX-8451 Ultra 24GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX8451-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index34,128 (Graphics Cards scale)
Category rank#37,192
Street price$1,239
Power420 W (TGP)
Performance per dollar27.54
Released2025

Specifications

BrandZephyra
ModelZephyra GX-8451 Ultra
Video memory24 GB GDDR7
Memory bus384-bit
Memory speed30 Gbps
Memory bandwidth1,440 GB/s
Shader units14,208
Boost clock2,712 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)420 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU850 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 294 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-8451 Ultra 24GB GDDR7 Graphics Card”, https://vextor7.com/item/37524505 (accessed 2026-10-24).