Hardware Spec Index

Kyndral GX-4991 Core 8GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4991-CORE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index9,186 (Graphics Cards scale)
Category rank#27,834
Street price$109
Power125 W (TGP)
Performance per dollar84.28
Released2025

Specifications

BrandKyndral
ModelKyndral GX-4991 Core
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed20 Gbps
Memory bandwidth320 GB/s
Shader units2,176
Boost clock2,354 MHz
Bus interfacePCIe 5.0 x8
Total graphics power (TGP)125 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size2-slot, 205 mm

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Cite this page: Hardware Spec Index, “Kyndral GX-4991 Core 8GB GDDR6 Graphics Card”, https://vextor7.com/item/6828503 (accessed 2026-10-22).