RTX A4000 vs T4

AmperevsTuringUpdated 35 days ago

The RTX A4000 emerges as the superior choice for most machine learning use cases. It delivers 19.2 TFLOPS FP16/FP32 performance and 448 GB/s bandwidth against the T4's 8.1 TFLOPS and 320 GB/s, at a fraction of the cost with $0.08 per hour starting pricing across more providers. This combination ensures better value and speed for training and inference.

RTX A4000 from $0.08/hrT4 from $0.53/hr

Specifications Compared

SpecRTX-A4000T4
TDP140W70W
VRAM16 GB16 GB
CUDA Cores6,1442,560
Memory TypeGDDR6GDDR6
ArchitectureAmpereTuring
Form FactorsPCIePCIe
Interconnect
Tensor Cores192320
FP16 Performance19.2 TFLOPS8.1 TFLOPS
FP32 Performance19.2 TFLOPS8.1 TFLOPS
Memory Bandwidth448 GB/s320 GB/s

Performance Analysis

The RTX A4000's 19.2 TFLOPS in FP16 and FP32 dwarfs the T4's 8.1 TFLOPS, enabling roughly 2.4 times faster matrix operations critical for deep learning. This delta translates to quicker model training epochs and higher inference throughput, particularly in FP16-optimized frameworks like TensorFlow or PyTorch. For training, the RTX A4000 handles larger models without proportional time increases that plague the T4. Inference benefits similarly, with the RTX A4000 supporting more simultaneous requests due to its compute edge. Memory bandwidth plays a key role: the RTX A4000's 448 GB/s versus 320 GB/s allows larger batch sizes in data-heavy tasks, reducing overhead from memory bottlenecks. The T4's lower 70W TDP contrasts the RTX A4000's 140W, potentially suiting power-constrained setups, but the performance uplift justifies higher consumption for most workloads.

Live Cloud Pricing

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

RTX A4000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.08/GPU/hr
Available
Vast.ai
Vast.ai
8×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$1.17/hr total (8×)
Available
Hyperstack
Hyperstack
4×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.60/hr total (4×)
Available
Hyperstack
Hyperstack
2×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.30/hr total (2×)
Available
Hyperstack
Hyperstack
NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
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 A4000

Opt for the RTX A4000 in compute-intensive scenarios like deep learning training or high-throughput inference. Its 19.2 TFLOPS FP16/FP32 performance and 448 GB/s bandwidth outperform the T4, enabling larger batch sizes and faster iterations. Cloud pricing at $0.08 per hour from 28 offers provides cost efficiency absent in the T4's higher rates.

When to Choose the T4

Select the T4 for low-power environments or legacy Turing-optimized software. Its 70W TDP halves the RTX A4000's 140W draw, ideal for dense cloud deployments with thermal limits. Despite 8.1 TFLOPS and 320 GB/s bandwidth, it suffices for lightweight inference where power savings offset performance gaps.

Use Cases

LLM Training
RTX A4000

The RTX A4000's 19.2 TFLOPS FP16 performance accelerates large model training over the T4's 8.1 TFLOPS. Higher 448 GB/s bandwidth supports bigger batches essential for LLMs.

LLM Inference
RTX A4000

RTX A4000 handles more queries per second with 19.2 TFLOPS versus T4's 8.1 TFLOPS. Its bandwidth edge aids real-time serving.

Fine-tuning
RTX A4000

Fine-tuning benefits from RTX A4000's doubled FP32 throughput at 19.2 TFLOPS. Cost savings at $0.31 average hourly rate enhance viability.

Stable Diffusion
RTX A4000

RTX A4000's Ampere architecture and 448 GB/s bandwidth speed image generation over T4. 16 GB VRAM matches, but compute wins.

Scientific Computing
Either

Both offer 16 GB VRAM for simulations. T4 suits low-power needs at 70W; RTX A4000 excels in FP32-heavy tasks at 19.2 TFLOPS.

Frequently Asked Questions

What is the performance difference between RTX A4000 and T4?

The RTX A4000 achieves 19.2 TFLOPS in FP16 and FP32, over twice the T4's 8.1 TFLOPS. Memory bandwidth stands at 448 GB/s for A4000 versus 320 GB/s for T4.

Which GPU has better cloud pricing?

RTX A4000 starts at $0.08 per hour with $0.31 average across 28 offers. T4 begins at $0.53 per hour averaging $1.66 across 6 offers.

How much VRAM do RTX A4000 and T4 have?

Both GPUs provide 16 GB GDDR6 VRAM. This equality suits memory-bound ML tasks equally.

What are the TDPs of these GPUs?

RTX A4000 consumes 140W TDP. T4 uses 70W TDP, halving power needs.

Which is newer, RTX A4000 or T4?

RTX A4000 uses 2021 Ampere architecture. T4 relies on 2018 Turing architecture.

Are both GPUs PCIe compatible?

Yes, both support PCIe form factors. No interconnect differences noted.

Which is cheaper to rent, the RTX A4000 or the T4?

Cloud rental prices for both the RTX A4000 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 A4000 have compared to the T4?

The RTX A4000 has 16 GB of GDDR6 memory. The T4 has 16 GB of GDDR6 memory.

Can I find RTX A4000 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 A4000 and the T4?

The RTX A4000 uses the Ampere architecture (2021) while the T4 uses Turing (2018). The RTX A4000 delivers 2.4x the FP16 throughput and 1.4x the memory bandwidth of the T4.