Hardware Spec Index

Zephyra GX-5643 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX5643-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index27,611 (Graphics Cards scale)
Category rank#25,852
Street price$1,069
Power290 W (TGP)
Performance per dollar25.83
Released2021

Specifications

BrandZephyra
ModelZephyra GX-5643 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units12,032
Boost clock1,724 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)290 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 279 mm

Related guides

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

Similar Graphics Cards

ModelBenchmarkPriceCompare
Veltrix GX-8144 Prime 12GB GDDR6 Graphics Card19,841$449Compare
Teralux GX-6306 Pro 12GB GDDR6X Graphics Card28,810$1,079Compare
Nexora GX-7437 Max 8GB GDDR6 Graphics Card13,151$189Compare
Teralux GX-3455 Ti 24GB GDDR7 Graphics Card44,060$2,499Compare
Orbita GX-2960 Core 32GB GDDR6 Graphics Card43,278$2,109Compare
Teralux GX-1919 Ti 8GB GDDR6 Graphics Card16,602$339Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-5643 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/11020064 (accessed 2026-10-23).