Hardware Spec Index

Kyndral GX-6591 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX6591-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index30,956 (Graphics Cards scale)
Category rank#33,811
Street price$1,179
Power305 W (TGP)
Performance per dollar26.26
Released2019

Specifications

BrandKyndral
ModelKyndral GX-6591 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units12,800
Boost clock2,091 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)305 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size3-slot, 297 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
Teralux GX-9949 Prime 16GB GDDR6 Graphics Card28,133$999Compare
Zephyra GX-2333 XT 16GB GDDR6 Graphics Card35,076$1,479Compare
Kyndral GX-9091 Plus 16GB GDDR7 Graphics Card26,333$939Compare
Nexora GX-1309 Edge 16GB GDDR7 Graphics Card28,025$989Compare
Kyndral GX-3087 Pro 24GB GDDR7 Graphics Card40,866$2,099Compare
Veltrix GX-3137 Ti 32GB GDDR6X Graphics Card38,246$1,879Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Kyndral GX-6591 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/76979882 (accessed 2026-10-25).