Hardware Spec Index

Zephyra GX-4645 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4645-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index12,532 (Graphics Cards scale)
Category rank#17,371
Street price$189
Power140 W (TGP)
Performance per dollar66.31
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4645 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units3,840
Boost clock1,822 MHz
Bus interfacePCIe 4.0 x8
Total graphics power (TGP)140 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-slot, 219 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
Kyndral GX-2917 Ti 16GB GDDR7 Graphics Card22,830$739Compare
Teralux GX-7596 XT 24GB GDDR6 Graphics Card37,159$1,939Compare
Nexora GX-7370 Prime 24GB GDDR6X Graphics Card42,602$2,349Compare
Orbita GX-2204 XT 12GB GDDR6 Graphics Card28,180$799Compare
Zephyra GX-5519 Prime 16GB GDDR7 Graphics Card39,574$2,009Compare
Nexora GX-6428 Edge 32GB GDDR6X Graphics Card36,334$1,999Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-4645 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/6358780 (accessed 2026-10-25).