Hardware Spec Index

Kyndral GX-1649 Ultra 16GB GDDR6X Graphics Card

Graphics Cards · Kyndral · SKU GX1649-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index34,314 (Graphics Cards scale)
Category rank#34,860
Street price$1,559
Power340 W (TGP)
Performance per dollar22.01
Released2021

Specifications

BrandKyndral
ModelKyndral GX-1649 Ultra
Video memory16 GB GDDR6X
Memory bus256-bit
Memory speed21 Gbps
Memory bandwidth672 GB/s
Shader units14,720
Boost clock2,335 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)340 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 308 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

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Cite this page: Hardware Spec Index, “Kyndral GX-1649 Ultra 16GB GDDR6X Graphics Card”, https://vextor7.com/item/10070348 (accessed 2026-10-25).