Hardware Spec Index

Zephyra GX-6840 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6840-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index20,290 (Graphics Cards scale)
Category rank#2,526
Street price$479
Power205 W (TGP)
Performance per dollar42.36
Released2021

Specifications

BrandZephyra
ModelZephyra GX-6840 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units7,552
Boost clock2,183 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)205 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 242 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6840 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/3754469 (accessed 2026-10-20).