Hardware Spec Index

Nexora GX-7643 Ultra 16GB GDDR6 Graphics Card

Graphics Cards · Nexora · SKU GX7643-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index36,477 (Graphics Cards scale)
Category rank#11,124
Street price$1,869
Power385 W (TGP)
Performance per dollar19.52
Released2022

Specifications

BrandNexora
ModelNexora GX-7643 Ultra
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units17,024
Boost clock2,466 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)385 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 319 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

Similar Graphics Cards

ModelBenchmarkPriceCompare
Zephyra GX-1685 Prime 8GB GDDR6 Graphics Card15,827$279Compare
Teralux GX-8698 Ti 12GB GDDR6 Graphics Card15,969$289Compare
Zephyra GX-6656 SE 8GB GDDR6 Graphics Card15,076$259Compare
Nexora GX-9028 SE 8GB GDDR6 Graphics Card10,004$129Compare
Veltrix GX-1510 XT 32GB GDDR7 Graphics Card34,134$1,669Compare
Zephyra GX-5091 Edge 16GB GDDR6X Graphics Card27,764$889Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Nexora GX-7643 Ultra 16GB GDDR6 Graphics Card”, https://vextor7.com/item/6729619 (accessed 2026-10-22).