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Quadro RTX 4000 vs Quadro RTX 5000

Workstation Verdict

The Quadro RTX 5000 has more VRAM (16GB vs 8GB), making it better suited for large models and memory-intensive workloads. The Quadro RTX 4000 is $235 USD cheaper than the Quadro RTX 5000.

Maximum Capacity Reached. Remove a model to add another. (2/2)

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Quadro RTX 4000 vs Quadro RTX 5000: In-Depth Breakdown

VRAM: Quadro RTX 4000 vs Quadro RTX 5000

The Quadro RTX 5000 carries 16GB of VRAM versus 8GB on the Quadro RTX 4000. VRAM capacity is the primary constraint for running AI models without quantization — a 70B-parameter model in FP16 requires roughly 140GB, and even smaller models benefit from extra headroom. The 8GB advantage here means the Quadro RTX 5000 can run larger models natively and handle bigger batch sizes in production.

Inference Speed: Memory Bandwidth

The rate data moves to the compute units — memory bandwidth — is what caps autoregressive inference speed (token generation in LLMs). Here the Quadro RTX 5000 reaches 448 GB/s against 416 GB/s for the Quadro RTX 4000, a 8% advantage. Once a model is resident in VRAM, token throughput tracks this figure closely, so the Quadro RTX 5000 generates tokens proportionally faster on bandwidth-bound workloads.

AI Training & Compute

For model training, scientific simulation, and rendering, FP32 throughput is the key metric. The Quadro RTX 5000 delivers 11.2 TFLOPS against 7.1 TFLOPS for the Quadro RTX 4000 — a 58% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the Quadro RTX 5000.

Price & Value

Pricing starts at $240 USD for the Quadro RTX 4000, a $235 USD saving over the Quadro RTX 5000's $475 USD. Teams working within a tighter budget may find that saving worth more than the spec gap, particularly if the smaller card already covers their typical workload.

Which should you buy: Quadro RTX 4000 or Quadro RTX 5000?

Choose the Quadro RTX 5000 for maximum capacity — it leads on VRAM, bandwidth, and compute, making it the better fit for large models and training jobs. The Quadro RTX 4000 is the more budget-friendly option ($235 USD less) — a solid choice if your models fit within its 8GB and inference volume is moderate.

Frequently Asked Questions

Can the Quadro RTX 4000 or Quadro RTX 5000 run large language models?

Yes, both are capable, though the Quadro RTX 5000 (16GB) can handle bigger models without needing quantization. The Quadro RTX 4000 (8GB) is better suited to smaller or more heavily quantized models.

Which is faster for LLM inference, the Quadro RTX 4000 or the Quadro RTX 5000?

The Quadro RTX 5000 is faster for token generation — its 448 GB/s memory bandwidth vs 416 GB/s on the Quadro RTX 4000 is the primary driver of inference throughput in autoregressive models.

Which is better for AI training?

The Quadro RTX 5000 leads at 11.2 TFLOPS versus 7.1 TFLOPS, so training runs finish proportionally sooner than on the Quadro RTX 4000.

Which should you buy: Quadro RTX 4000 or Quadro RTX 5000?

Choose the Quadro RTX 5000 for maximum capacity — it leads on VRAM, bandwidth, and compute, making it the better fit for large models and training jobs. The Quadro RTX 4000 is the more budget-friendly option ($235 USD less) — a solid choice if your models fit within its 8GB and inference volume is moderate.

Technical Specifications Comparison

Architecture & Cores

Architecture & Cores specifications comparison between Quadro RTX 4000 and Quadro RTX 5000
SpecificationQuadro RTX 4000Quadro RTX 5000
ArchitectureTuringTuring
CUDA Cores (CUDA Cores / CUDA Cores)2,3043,072✓

Memory

Memory specifications comparison between Quadro RTX 4000 and Quadro RTX 5000
SpecificationQuadro RTX 4000Quadro RTX 5000
VRAM Capacity8 GB16 GB✓
Memory TypeGDDR6GDDR6
Memory Bus256-bit256-bit
Bandwidth416 GB/s448 GB/s✓

Connectivity & Power

Connectivity & Power specifications comparison between Quadro RTX 4000 and Quadro RTX 5000
SpecificationQuadro RTX 4000Quadro RTX 5000
InterfacePCIe 3.0 x16PCIe 3.0 x16
TDP160 W✓230 W
ReleasedOct 2018Oct 2018

Workstation

Workstation specifications comparison between Quadro RTX 4000 and Quadro RTX 5000
SpecificationQuadro RTX 4000Quadro RTX 5000
FP32 (TFLOPS)7.1 TFLOPS11.2 TFLOPS✓
ECCYesYes
NVLinkNoNo
Form factorsingle-slotdual-slot