RTX 3090 vs T4

AmperevsTuringUpdated 36 days ago

The RTX 3090 emerges as the clear winner for most cloud AI workloads. Its 35.6 TFLOPS compute, 24 GB VRAM, and 936 GB/s bandwidth outperform the T4's specs, while pricing from $0.08 per hour yields better value than the T4's $0.53 per hour minimum.

RTX 3090 from $0.20/hrT4 from $0.53/hr

Specifications Compared

SpecRTX-3090T4
TDP350W70W
VRAM24 GB16 GB
CUDA Cores10,4962,560
Memory TypeGDDR6XGDDR6
ArchitectureAmpereTuring
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores328320
FP16 Performance35.6 TFLOPS8.1 TFLOPS
FP32 Performance35.6 TFLOPS8.1 TFLOPS
Memory Bandwidth936 GB/s320 GB/s

Performance Analysis

Compute performance defines key advantages: the RTX 3090's 35.6 TFLOPS in FP16 and FP32 accelerates training and inference by approximately 4.4 times over the T4's 8.1 TFLOPS. For deep learning training, this delta shortens epochs on large datasets; inference benefits similarly with higher throughput for real-time applications.

Memory specs impact workload scalability. The RTX 3090's 24 GB GDDR6X VRAM supports larger models or batch sizes than the T4's 16 GB GDDR6, preventing out-of-memory errors in transformer-based tasks. Bandwidth at 936 GB/s on the RTX 3090 versus 320 GB/s on the T4 reduces bottlenecks during data transfers, allowing bigger batches without performance drops.

Power consumption varies widely: the RTX 3090 draws 350W TDP, suitable for high-end setups, while the T4's 70W enables dense server packing. Both use PCIe form factors, but the RTX 3090 adds NVLink for multi-GPU scaling absent on the T4.

Live Cloud Pricing

Real-time prices from 25+ providers. Updated every 60 seconds.

RTX 3090

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA GeForce RTX 3090
24GB VRAM
$0.20/GPU/hr
Available
TensorDock
TensorDock
NVIDIA GeForce RTX 3090
24GB VRAM
$0.21/GPU/hr
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 3090
24GB VRAM
$0.25/GPU/hr
$1.01/hr total (4×)
Available
Vast.ai
Vast.ai
4×NVIDIA GeForce RTX 3090
24GB VRAM
$0.27/GPU/hr
$1.07/hr total (4×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA GeForce RTX 3090
24GB VRAM
$0.29/GPU/hr
$2.29/hr total (8×)
Available

T4

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
AWS
AWS
NVIDIA Tesla T4
16GB VRAM
$0.53/GPU/hr
AWS
AWS
NVIDIA Tesla T4
16GB VRAM
$0.75/GPU/hr
AWS
AWS
4×NVIDIA Tesla T4
16GB VRAM
$0.98/GPU/hr
$3.91/hr total (4×)
AWS
AWS
NVIDIA Tesla T4
16GB VRAM
$1.20/GPU/hr
AWS
AWS
NVIDIA Tesla T4
16GB VRAM
$2.18/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the RTX 3090

The RTX 3090 excels in demanding AI training and generation tasks. Its 24 GB VRAM handles large language models or high-resolution Stable Diffusion runs, where the T4's 16 GB falls short. At 35.6 TFLOPS FP16 and $0.08 per hour starting price, it delivers superior performance per dollar for batch processing.

When to Choose the T4

The T4 fits low-power inference and edge deployments. Its 70W TDP allows more units per server than the RTX 3090's 350W, ideal for scalable serving. Despite higher $0.53 per hour pricing, it suffices for lightweight models under 16 GB VRAM with 8.1 TFLOPS efficiency.

Use Cases

LLM Training
RTX 3090

The RTX 3090's 24 GB VRAM and 35.6 TFLOPS FP16 handle large models and batches better than the T4's 16 GB and 8.1 TFLOPS.

LLM Inference
RTX 3090

RTX 3090's higher 936 GB/s bandwidth supports faster token generation; T4 works for small models but limits scale.

Fine-tuning
RTX 3090

35.6 TFLOPS FP32 on RTX 3090 speeds iterations over T4's 8.1 TFLOPS, with more VRAM for parameter-efficient methods.

Stable Diffusion
RTX 3090

24 GB VRAM enables high-resolution image generation without swapping, unlike T4's 16 GB constraint.

Scientific Computing
Either

RTX 3090 suits FP32-heavy simulations at 35.6 TFLOPS; T4's 70W efficiency fits low-intensity parallel jobs.

Frequently Asked Questions

Is RTX 3090 better than T4 for ML training?

Yes, the RTX 3090 offers 35.6 TFLOPS FP16 versus T4's 8.1 TFLOPS and 24 GB VRAM against 16 GB. This enables faster training on larger models.

What is the VRAM difference between RTX 3090 and T4?

RTX 3090 has 24 GB GDDR6X; T4 has 16 GB GDDR6. The extra 8 GB on RTX 3090 supports bigger batches or models.

RTX 3090 vs T4 cloud pricing?

RTX 3090 starts at $0.08 per hour, average $0.41 across 51 offers. T4 starts at $0.53 per hour, average $1.66 across 6 offers.

T4 power consumption compared to RTX 3090?

T4 uses 70W TDP for efficient scaling; RTX 3090 requires 350W, better for single high-perf instances.

Can T4 handle Stable Diffusion?

T4's 16 GB VRAM manages basic Stable Diffusion at lower resolutions. RTX 3090's 24 GB excels for advanced generations.

RTX 3090 memory bandwidth vs T4?

RTX 3090 provides 936 GB/s; T4 offers 320 GB/s. Higher bandwidth on RTX 3090 reduces data loading delays.

Which is cheaper to rent, the RTX 3090 or the T4?

Cloud rental prices for both the RTX 3090 and T4 vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.

How much VRAM does the RTX 3090 have compared to the T4?

The RTX 3090 has 24 GB of GDDR6X memory. The T4 has 16 GB of GDDR6 memory.

Can I find RTX 3090 and T4 GPUs available to rent right now?

Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.

What is the main difference between the RTX 3090 and the T4?

The RTX 3090 uses the Ampere architecture (2020) while the T4 uses Turing (2018). The RTX 3090 delivers 4.4x the FP16 throughput and 2.9x the memory bandwidth of the T4.