Hardware Spec Index

Kyndral GX-3991 Pro 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX3991-PRO · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index20,253 (Graphics Cards scale)
Category rank#49,350
Street price$389
Power205 W (TGP)
Performance per dollar52.06
Released2019

Specifications

BrandKyndral
ModelKyndral GX-3991 Pro
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed16 Gbps
Memory bandwidth256 GB/s
Shader units7,424
Boost clock1,933 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)205 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2.5-slot, 249 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

Similar Graphics Cards

ModelBenchmarkPriceCompare
Teralux GX-7787 Pro 24GB GDDR6 Graphics Card40,990$2,219Compare
Veltrix GX-6244 Ultra 32GB GDDR7 Graphics Card41,066$2,139Compare
Orbita GX-5722 Prime 8GB GDDR7 Graphics Card22,015$489Compare
Orbita GX-1472 Pro 12GB GDDR6 Graphics Card14,736$209Compare
Nexora GX-4396 Ultra 24GB GDDR6X Graphics Card41,100$2,219Compare
Nexora GX-2391 Prime 8GB GDDR6 Graphics Card12,070$149Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Kyndral GX-3991 Pro 8GB GDDR6 Graphics Card”, https://vextor7.com/item/5902069 (accessed 2026-10-26).