Hardware Spec Index

Zephyra GX-8991 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8991-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index40,019 (Graphics Cards scale)
Category rank#4,397
Street price$1,999
Power395 W (TGP)
Performance per dollar20.02
Released2021

Specifications

BrandZephyra
ModelZephyra GX-8991 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units17,536
Boost clock1,774 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)395 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 334 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

Similar Graphics Cards

ModelBenchmarkPriceCompare
Zephyra GX-9370 SE 8GB GDDR6 Graphics Card17,695$319Compare
Zephyra GX-7314 XT 16GB GDDR6X Graphics Card31,847$1,219Compare
Zephyra GX-1894 Max 24GB GDDR6 Graphics Card44,628$2,499Compare
Orbita GX-8639 Plus 8GB GDDR6 Graphics Card11,525$149Compare
Teralux GX-3608 XT 8GB GDDR6 Graphics Card11,584$129Compare
Teralux GX-8796 Ultra 8GB GDDR6 Graphics Card19,327$449Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-8991 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/11904767 (accessed 2026-10-22).