Hardware Spec Index

Zephyra GX-6639 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX6639-XT · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index24,869 (Graphics Cards scale)
Category rank#6,563
Street price$829
Power260 W (TGP)
Performance per dollar30.00
Released2024

Specifications

BrandZephyra
ModelZephyra GX-6639 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed18 Gbps
Memory bandwidth576 GB/s
Shader units10,240
Boost clock1,708 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)260 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 264 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
Nexora GX-3523 Core 32GB GDDR6X Graphics Card36,563$1,649Compare
Kyndral GX-1313 SE 8GB GDDR6 Graphics Card15,770$249Compare
Teralux GX-9421 Edge 16GB GDDR6X Graphics Card30,555$1,299Compare
Orbita GX-5906 Max 24GB GDDR6X Graphics Card33,263$1,399Compare
Kyndral GX-7236 SE 8GB GDDR6 Graphics Card17,348$339Compare
Zephyra GX-1189 XT 12GB GDDR6 Graphics Card24,645$659Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-6639 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/6012473 (accessed 2026-10-23).