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GeForce RTX 4090D 48GB Price & Used Prices: Which Local LLMs Can It Run?

The GeForce RTX 4090D 48GB has 48GB of GDDR6X memory with 1,008 GB/s of bandwidth. The median asking price is about $3,526 on Xianyu. At 4-bit quantization and 8K context it fits a dense model of up to about 79B parameters, at roughly 15 tokens/s.

GeForce RTX 4090D 48GB price history

Price updated
$3,800$3,659$3,519$3,378$3,237
Low $3,318High $3,719
Sep 28, 06:00 AMSep 28, 06:00 PMSep 29, 06:00 AM

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Full GeForce RTX 4090D 48GB specifications

  • Memory48 GB · GDDR6X
  • Bandwidth1,008 GB/s
  • FP16 / BF16294.3 TFLOPS
  • FP8 / INT8588.5 / 588.5 TOPS
Bus width
384-bit
Architecture
Ada Lovelace (AD102)
Cores
14,592
Tensor cores
456
Ecosystem
CUDA
Interface
PCIe 4.0 x16
NVLink
Not supported
Power
425 W
Power connector
16-pin 12VHPWR
Slots
2
Type
Consumer
Launch date
Dec 28, 2023

What LLMs can the GeForce RTX 4090D 48GB run?

Models up to 50B parameters on a single GeForce RTX 4090D 48GB, versions released since 2026 only

ModelSizeRuns?Speed t/sMax context
Gemma 4 E4B8B5 GBRuns130.7128K
Qwen3.5 9B9.7B5.7 GBRuns115.3256K
Gemma 4 12B12B7.1 GBRuns93.5256K
Gemma 4 26B A4B25.2B (3.8B active)16.9 GBRuns130.1256K
Qwen3.6 27B27.8B16.8 GBRuns42256K
Qwen3.8 27B27.8B16.5 GBRuns42.7256K
GLM 4.7 Flash30B (3B active)18.3 GBRuns147.9198K
Gemma 4 31B30.7B18.3 GBRuns37.7256K
Qwen3.6 35B A3B36B (3B active)22.1 GBRuns151.5256K

RunsFits fully in VRAM; speed is estimated from VRAM bandwidth.

Needs RAM offloadMoE only: expert weights sit in system RAM, so speed is estimated from 70 GB/s RAM bandwidth.

Too bigWon’t fit on one card at this quantization, even with RAM offload.

Dual, 4x and 8x GeForce RTX 4090D 48GB for LLMs: which models fit?

Cards needed for 50B+ models released since 2026, with vLLM tensor parallelism at 32K context

ModelSizeCardsTotal priceTotal VRAMSpeed t/sTotal power
Qwen3.8 Flash Next176B (6B active)111.3 GB4 cards$14,104192 GB103.61,700 W
DeepSeek V4 Flash284B (13B active)155.1 GB4 cards$14,104192 GB731,700 W
Hy3295B (21B active)182.2 GB8 cards$28,208384 GB353,400 W
GLM 5.3 Flash320B (18B active)199.7 GB8 cards$28,208384 GB51.53,400 W

Card counts are 1 / 2 / 4 / 8, each using 90% of its VRAM. Speed is based on one card’s bandwidth; price covers GPUs only. No NVLink; cards talk over PCIe. Whether it runs also depends on vLLM support.

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FAQ

How large a model can the GeForce RTX 4090D 48GB run?

A single GeForce RTX 4090D 48GB has 48GB of GDDR6X VRAM. At 4-bit quantization and 8K context it fits a dense model of up to about 79B parameters, or about 43B at 8-bit.

Can the GeForce RTX 4090D 48GB run a 70B model?

Yes. At 4-bit with an 8K context a 70B dense model needs about 43GB, which fits in the GeForce RTX 4090D 48GB's 48GB.

What are the best LLMs to run on the GeForce RTX 4090D 48GB?

Among models released in 2026, the largest dense model that fits entirely in VRAM at 4-bit is Gemma 4 31B, at an estimated 37.7 tokens/s. Among MoE models, Qwen3.6 35B A3B is the fastest at about 151.5 tokens/s. The full list is in the table above.

How many tokens per second does the GeForce RTX 4090D 48GB get on LLMs?

Estimated from memory bandwidth at 4-bit and 8K context: 8B dense: about 125.5 tokens/s, 14B dense: about 76.3 tokens/s, 32B dense: about 35.6 tokens/s, and 70B dense: about 16.9 tokens/s. MoE models read only the active parameters for each token, so they run much faster. Real-world results are usually 70%–100% of the estimate.

What LLMs can dual GeForce RTX 4090D 48GB cards run?

With vLLM tensor parallelism at 4-bit and 32K context, two GeForce RTX 4090D 48GB cards cannot fit any model of 50B or larger released in 2026. At 4-bit with 32K context the minimum is 4 cards, which fits Qwen3.8 Flash Next and DeepSeek V4 Flash.

How much does a GeForce RTX 4090D 48GB cost?

As of Sep 29, 2026: Xianyu median $3,526 (9 listings). Figures are medians of live listings, refreshed every 6 hours.

Is the GeForce RTX 4090D 48GB price going up or down?

As of Sep 29, 2026, the Xianyu median is down 2.5% over 7 days, down 1.3% over 30 days.

GeForce RTX 4090D 48GB vs RTX PRO 4500: which is better for LLMs?

The RTX PRO 4500 has 32GB of VRAM and 896 GB/s of bandwidth; the GeForce RTX 4090D 48GB has 48GB and 1,008 GB/s. At the Xianyu median, the RTX PRO 4500 costs about $3,622, 2.7% more than the GeForce RTX 4090D 48GB ($3,526). For 32B dense models at 4-bit, the GeForce RTX 4090D 48GB is estimated at about 35.6 tokens/s and the RTX PRO 4500 at about 31.8 tokens/s.