RTX 4090 vs V100

Ada LovelacevsVoltaUpdated 40 days ago

The RTX 4090 emerges as the clear winner for most machine learning use cases: its 165 TFLOPS FP16, 82.6 TFLOPS FP32, and average $0.39 per hour pricing outperform the V100's dated 125 TFLOPS FP16, 15.7 TFLOPS FP32, and scarcer $1.92 per hour average across fewer offers. Superior bandwidth and modern features justify selection for training and inference.

RTX 4090 from $0.39/hrV100 from $0.19/hr

Specifications Compared

SpecRTX-4090V100
TDP450W300W
VRAM24 GB16-32 GB
CUDA Cores16,3845,120
Memory TypeGDDR6XHBM2
ArchitectureAda LovelaceVolta
Form FactorsPCIeSXM2, PCIe
InterconnectPCIe 4.0NVLink, PCIe 3.0
Tensor Cores512640
FP8 Performance660 TFLOPS
FP16 Performance165 TFLOPS125 TFLOPS
FP32 Performance82.6 TFLOPS15.7 TFLOPS
FP64 Performance1.3 TFLOPS7.8 TFLOPS
INT8 Performance660 TOPS
Memory Bandwidth1,008 GB/s900 GB/s

Performance Analysis

The RTX 4090 demonstrates superior compute density: its FP32 performance of 82.6 TFLOPS vastly exceeds the V100's 15.7 TFLOPS, accelerating single-precision training workloads common in deep learning. FP16 at 165 TFLOPS on the RTX 4090 outpaces the V100's 125 TFLOPS, benefiting mixed-precision training and inference where half-precision dominates. The RTX 4090's FP8 capability of 660 TFLOPS enables ultra-efficient inference on quantized models, a feature absent in the V100. Memory bandwidth plays a critical role: 1008 GB/s on the RTX 4090 supports larger batch sizes than the V100's 900 GB/s, reducing data loading bottlenecks in transformer models. The RTX 4090's 24 GB VRAM handles modern datasets adequately, though the V100's up to 32 GB HBM2 suits memory-intensive simulations. Higher TDP of 450 W on the RTX 4090 versus 300 W on the V100 implies greater power demands but yields proportional performance gains. PCIe 4.0 interconnect on the RTX 4090 improves data transfer over the V100's PCIe 3.0 or NVLink, enhancing multi-GPU scaling in clouds.

Live Cloud Pricing

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

RTX 4090

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA GeForce RTX 4090
24GB VRAM
$0.39/GPU/hr
Available
Vast.ai
Vast.ai
NVIDIA GeForce RTX 4090
24GB VRAM
$0.44/GPU/hr
Available
Vast.ai
Vast.ai
NVIDIA GeForce RTX 4090
24GB VRAM
$0.47/GPU/hr
Available
TensorDock
TensorDock
NVIDIA GeForce RTX 4090
24GB VRAM
$0.48/GPU/hr
Available
Vast.ai
Vast.ai
NVIDIA GeForce RTX 4090
24GB VRAM
$0.53/GPU/hr
Available

V100

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
TensorDock
TensorDock
NVIDIA Tesla V100 16GB
16GB VRAM
$0.19/GPU/hr
Available
TensorDock
TensorDock
NVIDIA Tesla V100 16GB
16GB VRAM
$0.19/GPU/hr
Available
TensorDock
TensorDock
NVIDIA Tesla V100 32GB
32GB VRAM
$0.29/GPU/hr
Available
TensorDock
TensorDock
NVIDIA Tesla V100 32GB
32GB VRAM
$0.29/GPU/hr
Available
Lambda Labs
Lambda Labs
8×NVIDIA Tesla V100 16GB
16GB VRAM
$0.79/GPU/hr
$6.32/hr total (8×)
Available

Compare real-time pricing across 25+ providers

When to Choose the RTX 4090

The RTX 4090 suits modern AI pipelines requiring high throughput: its 82.6 TFLOPS FP32 and 660 TFLOPS FP8 excel in training large language models and low-latency inference. Abundant cloud availability at $0.27 per hour starting price across 75 offers makes it ideal for scalable deployments. Users benefit from 1008 GB/s bandwidth for batch sizes exceeding V100 limits in diffusion models.

When to Choose the V100

The V100 fits legacy datacenter environments optimized for NVLink interconnects: its 15.7 TFLOPS FP32 supports established HPC codes from 2017-era frameworks. Lower TDP of 300 W reduces cooling costs in dense clusters. Rare low-price instances from $0.05 per hour appeal for budget-sensitive, compatibility-bound tasks like older scientific simulations.

Use Cases

LLM Training
RTX 4090

RTX 4090's 82.6 TFLOPS FP32 and 165 TFLOPS FP16 accelerate convergence on large models. Higher 1008 GB/s bandwidth supports bigger batches than V100's 900 GB/s.

LLM Inference
RTX 4090

RTX 4090's 660 TFLOPS FP8 enables quantized serving at scale. 24 GB VRAM handles common payloads efficiently.

Fine-tuning
RTX 4090

RTX 4090's FP16 at 165 TFLOPS speeds parameter updates. Abundant $0.39/hr average pricing fits iterative workflows.

Stable Diffusion
RTX 4090

RTX 4090's 1008 GB/s bandwidth and 24 GB VRAM manage high-resolution generations. FP32 82.6 TFLOPS outperforms V100's 15.7 TFLOPS.

Scientific Computing
V100

V100's NVLink and up to 32 GB HBM2 suit legacy HPC codes. Lower 300 W TDP aids power-constrained simulations.

Frequently Asked Questions

Which GPU has more VRAM?

The V100 offers up to 32 GB HBM2, exceeding the RTX 4090's 24 GB GDDR6X. However, RTX 4090's 1008 GB/s bandwidth often compensates for memory-intensive tasks.

Is RTX 4090 faster than V100?

RTX 4090 delivers 165 TFLOPS FP16 versus V100's 125 TFLOPS and 82.6 TFLOPS FP32 against 15.7 TFLOPS. This yields 30-400% gains in AI workloads.

What are the cloud prices?

RTX 4090 starts at $0.27 per hour with $0.39 average across 75 offers. V100 starts at $0.05 per hour but averages $1.92 across 6 offers.

RTX 4090 or V100 for training?

RTX 4090 excels with 82.6 TFLOPS FP32 for precise training. V100's 15.7 TFLOPS suits only legacy setups.

Power consumption comparison?

RTX 4090 requires 450 W TDP, higher than V100's 300 W. This supports greater performance but demands robust cooling.

Multi-GPU support?

V100 uses NVLink for datacenter scaling, while RTX 4090 relies on PCIe 4.0. PCIe suits most cloud instances with 75 RTX 4090 offers.

Which is cheaper to rent, the RTX 4090 or the V100?

Cloud rental prices for both the RTX 4090 and V100 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 4090 have compared to the V100?

The RTX 4090 has 24 GB of GDDR6X memory. The V100 has 16 to 32 GB of HBM2 memory.

Can I find RTX 4090 and V100 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 4090 and the V100?

The RTX 4090 uses the Ada Lovelace architecture (2022) while the V100 uses Volta (2017). The V100 delivers 0.8x the FP16 throughput and 0.9x the memory bandwidth of the RTX 4090.