GTX 1080 vs RTX A4000

PascalvsAmpereUpdated 36 days ago

The RTX A4000 emerges as the clear winner for most use cases, offering 19.2 TFLOPS versus 8.9 TFLOPS, 16 GB VRAM against 8 to 11 GB, and pricing from $0.08 per hour. These specs deliver superior performance and efficiency for AI training, inference, and generation tasks at a fraction of the GTX 1080's cost per hour.

GTX 1080 from $0.30/hrRTX A4000 from $0.08/hr

Specifications Compared

SpecGTX-1080RTX-A4000
TDP180W140W
VRAM8-11 GB16 GB
CUDA Cores2,5606,144
Memory TypeGDDR5XGDDR6
ArchitecturePascalAmpere
Form FactorsPCIePCIe
Interconnect
FP16 Performance8.9 TFLOPS19.2 TFLOPS
FP32 Performance8.9 TFLOPS19.2 TFLOPS
Memory Bandwidth320 GB/s448 GB/s

Performance Analysis

The RTX A4000's 19.2 TFLOPS in FP16 and FP32 dwarfs the GTX 1080's 8.9 TFLOPS, delivering over twice the compute throughput for machine learning training and inference tasks. This delta translates to faster model convergence in training and higher requests per second in inference, especially for half-precision workloads common in deep learning.

Memory specifications further advantage the RTX A4000: 16 GB GDDR6 supports larger batch sizes than the GTX 1080's 8 to 11 GB GDDR5X, reducing out-of-memory errors for models exceeding 10 GB. The 448 GB/s bandwidth versus 320 GB/s enables sustained data flow, minimizing bottlenecks in data-heavy operations like Stable Diffusion generation or scientific simulations.

Efficiency gains appear in TDP: the RTX A4000's 140 W versus 180 W allows denser cloud deployments. Both use PCIe form factors with no specified interconnects, suiting single-GPU setups.

Live Cloud Pricing

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

GTX 1080

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
LeaderGPU
LeaderGPU
4×NVIDIA GeForce GTX 1080
8GB VRAM
$0.30/GPU/hr
$1.20/hr total (4×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA GeForce GTX 1080 Ti
11GB VRAM
$0.60/GPU/hr
$4.80/hr total (8×)
Available

RTX A4000

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.08/GPU/hr
Available
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.10/GPU/hr
Available
TensorDock
TensorDock
NVIDIA RTX A4000
16GB VRAM
$0.11/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
2×NVIDIA RTX A4000
16GB VRAM
$0.15/GPU/hr
$0.30/hr total (2×)
Available

Compare real-time pricing across 25+ providers

When to Choose the GTX 1080

The GTX 1080 suits legacy applications optimized for Pascal architecture, where software compatibility demands its specific features. At $0.30 per hour minimum pricing, it fits ultra-low-budget experiments with models under 8 GB VRAM, such as basic inference on older networks. Power-tolerant environments may prefer its 8.9 TFLOPS for simple tasks avoiding Ampere-specific optimizations.

When to Choose the RTX A4000

The RTX A4000 excels in modern AI workflows requiring 16 GB VRAM for large language models or high-resolution Stable Diffusion. Its 19.2 TFLOPS and 448 GB/s bandwidth accelerate training and inference by over 2x compared to the GTX 1080. Superior value at $0.08 per hour starting price across 28 offers makes it ideal for production-scale cloud usage with lower 140 W TDP.

Use Cases

LLM Training
RTX A4000

The RTX A4000's 16 GB VRAM and 19.2 TFLOPS handle larger models and batches better than the GTX 1080's 8-11 GB and 8.9 TFLOPS.

LLM Inference
RTX A4000

Higher 448 GB/s bandwidth and 19.2 TFLOPS on the RTX A4000 support greater throughput for real-time queries versus the GTX 1080's 320 GB/s.

Fine-tuning
RTX A4000

RTX A4000's doubled FP32 performance at 19.2 TFLOPS speeds convergence on datasets fitting 16 GB VRAM.

Stable Diffusion
RTX A4000

16 GB GDDR6 enables high-resolution image generation without swapping, unlike GTX 1080's limited 8-11 GB.

Scientific Computing
Either

GTX 1080 suffices for small-scale simulations at 8.9 TFLOPS; RTX A4000 scales better for complex ones with 19.2 TFLOPS.

Frequently Asked Questions

Which GPU has more VRAM?

The RTX A4000 provides 16 GB GDDR6, exceeding the GTX 1080's 8 to 11 GB GDDR5X. This allows larger models on the RTX A4000. Batch sizes increase accordingly.

What is the performance difference in TFLOPS?

RTX A4000 achieves 19.2 TFLOPS in FP16 and FP32, more than double the GTX 1080's 8.9 TFLOPS. Training times halve on the newer GPU. Inference speeds follow suit.

How do prices compare in the cloud?

RTX A4000 starts at $0.08 per hour with 28 offers averaging $0.31 per hour. GTX 1080 begins at $0.30 per hour averaging $0.45 over 2 offers. RTX A4000 offers better value.

Which has higher power efficiency?

RTX A4000 uses 140 W TDP versus GTX 1080's 180 W. This enables more GPUs per server. Costs drop in dense cloud setups.

Are they compatible with the same software?

Both support PCIe and major frameworks like PyTorch. RTX A4000 benefits from Ampere optimizations. Legacy Pascal code runs on GTX 1080 without issues.

What about memory bandwidth?

RTX A4000 delivers 448 GB/s, surpassing GTX 1080's 320 GB/s. Data transfer accelerates in bandwidth-bound tasks. Larger batches process faster.

Which is cheaper to rent, the GTX 1080 or the RTX A4000?

Cloud rental prices for both the GTX 1080 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 GTX 1080 have compared to the RTX A4000?

The GTX 1080 has 8 to 11 GB of GDDR5X memory. The RTX A4000 has 16 GB of GDDR6 memory.

Can I find GTX 1080 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 GTX 1080 and the RTX A4000?

The GTX 1080 uses the Pascal architecture (2016) while the RTX A4000 uses Ampere (2021). The RTX A4000 delivers 2.2x the FP16 throughput and 1.4x the memory bandwidth of the GTX 1080.

GTX 1080 vs RTX A4000: 2.2x FP16 Gap, 16GB vs 11GB | GPUPerHour