Hardware Spec Index

Zephyra GX-4988 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4988-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index20,312 (Graphics Cards scale)
Category rank#8,945
Street price$389
Power205 W (TGP)
Performance per dollar52.22
Released2024

Specifications

BrandZephyra
ModelZephyra GX-4988 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed14 Gbps
Memory bandwidth224 GB/s
Shader units7,424
Boost clock2,372 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)205 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 254 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-4988 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/18211503 (accessed 2026-10-26).