Hardware Spec Index

Nexora GX-7644 Ultra 12GB GDDR6X Graphics Card

Graphics Cards · Nexora · SKU GX7644-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index27,847 (Graphics Cards scale)
Category rank#1,341
Street price$829
Power280 W (TGP)
Performance per dollar33.59
Released2021

Specifications

BrandNexora
ModelNexora GX-7644 Ultra
Video memory12 GB GDDR6X
Memory bus192-bit
Memory speed21 Gbps
Memory bandwidth504 GB/s
Shader units11,520
Boost clock2,262 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)280 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 270 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
Nexora GX-7883 Edge 8GB GDDR7 Graphics Card17,164$359Compare
Kyndral GX-9481 Plus 16GB GDDR6 Graphics Card30,335$979Compare
Veltrix GX-9291 Plus 8GB GDDR6 Graphics Card9,797$129Compare
Nexora GX-5513 Pro 16GB GDDR6X Graphics Card32,047$1,109Compare
Zephyra GX-4954 Prime 8GB GDDR7 Graphics Card18,914$479Compare
Nexora GX-1178 SE 16GB GDDR6X Graphics Card33,975$1,509Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Nexora GX-7644 Ultra 12GB GDDR6X Graphics Card”, https://vextor7.com/item/3418202 (accessed 2026-10-21).