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NVIDIA Quadro RTX A6000 vs NVIDIA GeForce RTX 4090 D: Comparison

NVIDIA Quadro RTX A6000 and NVIDIA GeForce RTX 4090 D separate most on slot width: NVIDIA Quadro RTX A6000 at 2, NVIDIA GeForce RTX 4090 D at 3.5, 75% in favour of NVIDIA Quadro RTX A6000. VRAM splits them by another 50%, again favouring NVIDIA Quadro RTX A6000. They match on 5 other specifications, including gpu brand, tier and ray tracing support.

NVIDIA Quadro RTX A6000
NVIDIANVIDIA Quadro RTX A6000
NVIDIA GeForce RTX 4090 D
NVIDIANVIDIA GeForce RTX 4090 D

Specs

Specification
NVIDIA Quadro RTX A6000
NVIDIA Quadro RTX A6000
NVIDIA GeForce RTX 4090 D
NVIDIA GeForce RTX 4090 D
GPU BrandNVIDIANVIDIA
SeriesRTX Ampere GenerationGeForce RTX 40
Board PartnerNVIDIA Reference (workstation, no AIB partners)NVIDIA Reference (China-market AIB partners: ASUS, MSI, Gigabyte, Colorful, Galax)
VRAM48 GB24 GB-50%
TierFlagshipFlagship
Memory TypeGDDR6GDDR6X
Boost Clock1800 MHz-21%2280 MHz
Ray Tracing Supporttruetrue
TDP300 W425 W-42%
ArchitectureAmpereAda Lovelace
Process NodeSamsung 8nmTSMC 4N
Card Length267 mm304 mm-14%
Slot Width23.5-75%
Memory Bus Width384 bit384 bit
Memory Bandwidth768 GB/s-24%1008 GB/s
Recommended PSU550 W675 W-23%
Power Connector1x 8-pin1x 16-pin (12VHPWR)
MSRP46501599
Launch Date2020-102023-12
Base / Game Clock1410 MHz1590 MHz
PCIe InterfacePCIe 4.0 x16PCIe 4.0 x16
CUDA Cores1075214592
Display Outputs4x DisplayPort 1.4a3x DisplayPort 1.4a, 1x HDMI 2.1a
Media Engine2x NVENC (7th gen), 2x NVDEC2x NVENC (8th gen), 1x NVDEC, AV1 encode/decode

Verdict

NVIDIA Quadro RTX A6000

7.9 / 10 Expert Rating

Still a genuinely useful 48GB workstation card on the secondhand market, even four years after launch - just expect a real gap versus current RTX PRO Blackwell cards in ray tracing and AI performance.

NVIDIA GeForce RTX 4090 D

8.7 / 10 Expert Rating

A slightly cut-down RTX 4090 that's now been succeeded by the RTX 5090 D - still a very fast card for anyone who already owns one or finds one at a discount.

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