Hardware Spec Index

Kyndral GX-4637 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Kyndral · SKU GX4637-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index14,014 (Graphics Cards scale)
Category rank#24,876
Street price$239
Power155 W (TGP)
Performance per dollar58.64
Released2023

Specifications

BrandKyndral
ModelKyndral GX-4637 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed18 Gbps
Memory bandwidth432 GB/s
Shader units4,736
Boost clock1,964 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)155 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingXeSS
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 216 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

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Cite this page: Hardware Spec Index, “Kyndral GX-4637 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/1151374 (accessed 2026-10-26).