RTX 2080 Ti vs RTX A4000

TuringvsAmpereUpdated 35 days ago

The RTX A4000 emerges as the winner for prevalent machine learning tasks. Its 16 GB VRAM and 19.2 TFLOPS handle large-scale training and inference effectively, surpassing the RTX 2080 Ti's 10.1 TFLOPS and 8-11 GB despite higher average cost of $0.36 per hour versus $0.11.

RTX 2080 Ti from $0.13/hrRTX A4000 from $0.08/hr

Specifications Compared

SpecRTX-2080RTX-A4000
TDP215W140W
VRAM8-11 GB16 GB
CUDA Cores2,9446,144
Memory TypeGDDR6GDDR6
ArchitectureTuringAmpere
Form FactorsPCIePCIe
InterconnectNVLink
Tensor Cores368192
FP16 Performance10.1 TFLOPS19.2 TFLOPS
FP32 Performance10.1 TFLOPS19.2 TFLOPS
Memory Bandwidth616 GB/s448 GB/s

Performance Analysis

Compute performance favors the RTX A4000 decisively: 19.2 TFLOPS FP16 and FP32 versus 10.1 TFLOPS on the RTX 2080 Ti. This advantage accelerates machine learning training, where FP16 mixed precision halves memory use while boosting speed by nearly 90 percent. Inference workloads similarly benefit from higher throughput on larger models.

VRAM capacity defines model scalability: 16 GB on the A4000 supports batch sizes twice those feasible on 8-11 GB of the 2080 Ti, reducing overhead in deep learning pipelines. Memory bandwidth tells another story, with 616 GB/s on the 2080 Ti outperforming 448 GB/s on the A4000 for data-heavy tasks like large matrix multiplications.

TDP differences promote cloud density: A4000 at 140W versus 2080 Ti at 215W enables more GPUs per server, lowering effective costs for sustained loads.

Live Cloud Pricing

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

RTX 2080 Ti

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA GeForce RTX 2080 Ti
11GB VRAM
$0.13/GPU/hr
Available

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

Compare real-time pricing across 25+ providers

When to Choose the RTX 2080 Ti

Select the RTX 2080 Ti for budget-driven projects emphasizing bandwidth. Cloud pricing from $0.06 per hour, averaging $0.11 per hour, provides strong value against the A4000's $0.36 average. Its 616 GB/s bandwidth excels in memory-intensive simulations or rendering where datasets fit within 8-11 GB VRAM.

It suits legacy applications optimized for Turing or multi-GPU setups via NVLink interconnect.

When to Choose the RTX A4000

The RTX A4000 shines in modern AI pipelines demanding capacity. 16 GB VRAM accommodates large models and batches beyond the 2080 Ti's 8-11 GB limit. 19.2 TFLOPS FP16/FP32 delivers near-double speed for training and inference over 10.1 TFLOPS.

Ampere efficiency at 140W TDP and broader availability across 29 cloud offers justify the $0.36 average hourly rate for professional workflows.

Use Cases

LLM Training
RTX A4000

RTX A4000's 16 GB VRAM fits large LLM parameters, unlike 8-11 GB on RTX 2080 Ti. 19.2 TFLOPS doubles training throughput over 10.1 TFLOPS.

LLM Inference
RTX A4000

16 GB VRAM enables full-model inference without heavy quantization. Higher 19.2 TFLOPS ensures lower latency than 10.1 TFLOPS.

Fine-tuning
Either

Fine-tuning mid-sized models fits both 8-11 GB and 16 GB VRAM. Compute gap narrows for brief sessions.

Stable Diffusion
RTX A4000

Ampere's 19.2 TFLOPS accelerates diffusion steps faster than 10.1 TFLOPS. 16 GB VRAM supports high-resolution generations.

Scientific Computing
RTX 2080 Ti

RTX 2080 Ti's 616 GB/s bandwidth outperforms 448 GB/s for memory-bound simulations. Sufficient 8-11 GB VRAM handles most datasets.

Frequently Asked Questions

Which GPU has more VRAM?

RTX A4000 provides 16 GB GDDR6 VRAM. RTX 2080 Ti offers 8-11 GB GDDR6. This enables larger models on A4000.

What is the FP32 performance comparison?

RTX A4000 delivers 19.2 TFLOPS FP32. RTX 2080 Ti achieves 10.1 TFLOPS FP32. A4000 processes computations nearly twice as fast.

Which is cheaper on cloud providers?

RTX 2080 Ti starts at $0.06 per hour, averaging $0.11 per hour across 6 offers. RTX A4000 is $0.08 per hour, averaging $0.36 per hour across 29 offers.

Which has higher memory bandwidth?

RTX 2080 Ti leads with 616 GB/s bandwidth. RTX A4000 has 448 GB/s. Bandwidth aids data transfer in 2080 Ti.

What are the power consumption levels?

RTX 2080 Ti TDP is 215W. RTX A4000 TDP is 140W. Lower TDP improves A4000 density in cloud servers.

Does either support NVLink?

RTX 2080 Ti includes NVLink interconnect. RTX A4000 lacks specified interconnect support. NVLink enables multi-GPU scaling on 2080 Ti.

Which is cheaper to rent, the RTX 2080 or the RTX A4000?

Cloud rental prices for both the RTX 2080 and RTX A4000 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 2080 have compared to the RTX A4000?

The RTX 2080 has 8 to 11 GB of GDDR6 memory. The RTX A4000 has 16 GB of GDDR6 memory.

Can I find RTX 2080 and RTX A4000 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 2080 and the RTX A4000?

The RTX 2080 uses the Turing architecture (2018) while the RTX A4000 uses Ampere (2021). The RTX A4000 delivers 1.9x the FP16 throughput and 1.4x the memory bandwidth of the RTX 2080.

RTX 2080 Ti vs RTX A4000: 16GB GDDR6 vs 11GB GDDR6 | GPUPerHour