Consumer NVIDIA

RTX 4090

Q: How much does RTX 4090 cost?

The RTX 4090 has a market price of approximately $1.8k (MSRP: $1.6k). Cloud rental starts at $0.268/hr. Prices may vary based on retailer, region, and availability.

Q: Is RTX 4090 good for AI and machine learning?

Yes, the RTX 4090 with 24GB VRAM is suitable for many AI/ML workloads. It's particularly recommended for AI Inference. For large language models, you may need multiple GPUs or consider higher-VRAM options like A100 or H100.

Q: Should I buy RTX 4090 or rent from cloud?

The breakeven point is approximately 6,711 hours of usage. Buy if you'll use it more than this; rent for shorter projects or variable workloads. Cloud rental from Vast.ai starts at $0.268/hr.

Q: What can I run on RTX 4090?

With 24GB VRAM and 165.2 FP16 TFLOPS, the RTX 4090 can run: Large language models (7B-13B), Stable Diffusion XL, video AI, and professional 3D rendering.

Q: RTX 4090 vs alternatives - which is better?

The RTX 4090 offers 24GB VRAM and 165.2 FP16 performance at $1.8k. Compare with similar GPUs using our comparison tool above. Key factors: VRAM for model size, TFLOPS for speed, and price for budget.

Ada Lovelace Architecture · 24GB GDDR6X · PCIe

VRAM

24GB

FP16

165.2

TDP

450W

Hardware Price

$1.8k

MSRP: $1.6k

Cloud from

$0.268/hr

3 providers

Cheapest at Vast.ai →

Quick Insights

Performance/Dollar

91.78 TFLOPS/$k

FP16 performance per $1000

VRAM/Dollar

13.3 GB/$k

VRAM per $1000

vs Consumer Average

+51% perf

FP16 TFLOPS comparison

Cloud Availability

3 providers

from $0.268/hr

Specifications

VRAM	24GB GDDR6X
Memory Bandwidth	1.0 TB/s
FP16 TFLOPS	165.2
Tensor TFLOPS	-
FP32 TFLOPS	82.6

TDP	450W
Form Factor	PCIe
Architecture	Ada Lovelace
NVLink	No
Release Date	2022-10

Buy vs Rent Analysis

Buy Hardware

$1.8k

One-time cost, unlimited usage
Full control over hardware
Electricity & cooling costs extra
Depreciation over 2-3 years

Best if using >6711 hours total

Rent Cloud GPU

$0.268/hr

Pay only for what you use
No upfront investment
Scale up/down instantly
No maintenance required

Best for <6711 hours or variable usage

Breakeven Point

6,711

hours of usage

At $0.268/hr cloud pricing, buying the hardware pays off after 6,711 hours (~280 days or 9.3 months of 24/7 usage).

Usage	Monthly Cloud Cost	Months to Breakeven
100 hrs/month	$26.82	68 months
200 hrs/month	$53.64	34 months
500 hrs/month	$134.10	14 months

Cloud GPU Pricing

Rent RTX 4090 from 3 cloud providers. Prices shown per GPU per hour.

Provider	Type	Instance	GPUs	On-Demand	Per GPU	Spot	Availability
Vast.ai	marketplace	vastai-rtx-4090	1x	$0.268/hr	$0.268/hr Cheapest	$0.134/hr (-50%)	-
TensorDock	marketplace	tensordock-rtx-4090	1x	$0.350/hr	$0.350/hr	-	-
RunPod	gpu-cloud	NVIDIA GeForce RTX 4090	1x	$0.740/hr	$0.740/hr	$0.740/hr	-

Best Spot Deal: Vast.ai offers spot pricing at $0.134/hr (50% off on-demand).

RTX 4090 vs Alternatives

Compare RTX 4090 with similar GPUs from other brands.

GPU	VRAM	FP16 TFLOPS	Bandwidth	Hardware Price	Cloud Price
RTX 4090 Current	24GB	165.2	1.0 TB/s	$1.8k	-	-
AMD Radeon RX 7900 XTX AMD	24GB (+0%)	122.0 (-26%)	960 GB/s	-	-	Compare
AMD Radeon RX 7900 XT AMD	20GB (-17%)	104.0 (-37%)	800 GB/s	-	-	Compare
AMD Instinct MI100 AMD	32GB (+33%)	184.6 (+12%)	1.2 TB/s	-	-	Compare

Best Use Cases for RTX 4090

⚡

AI Inference

5/5

Best price-performance for inference

🎨

Stable Diffusion

5/5

Best for Stable Diffusion

🖼️

3D Rendering

5/5

3D rendering powerhouse

🔧

Fine-tuning

4/5

Small model fine-tuning

Compare RTX 4090

Popular Comparisons

Other NVIDIA GPUs

B200 192GB · $45k
H200 141GB · $38k
H100 80GB · $32k
H100 PCIe 80GB · $28k
H100 NVL 93GB · $35k

Alternatives

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Frequently Asked Questions about RTX 4090