L4 vs RTX 5070

Ada LovelacevsBlackwellUpdated 36 days ago

For prevalent AI inference and training use cases, L4 emerges as the winner: 24 GB VRAM and 121 TFLOPS FP16 outperform RTX 5070's 12 GB and 40.6 TFLOPS, enabling larger models without compromise despite higher $0.68 per hour average pricing.

L4 from $0.33/hr

Specifications Compared

SpecL4RTX-5070
TDP72W250W
VRAM24 GB12 GB
CUDA Cores7,4246,144
Memory TypeGDDR6GDDR7
ArchitectureAda LovelaceBlackwell
Form FactorsPCIePCIe
InterconnectPCIe 4.0
Tensor Cores232192
FP8 Performance242 TFLOPS
FP16 Performance121 TFLOPS40.6 TFLOPS
FP32 Performance30.3 TFLOPS40.6 TFLOPS
FP64 Performance0.5 TFLOPS
INT8 Performance242 TOPS650 TOPS
Memory Bandwidth300 GB/s448 GB/s

Performance Analysis

FP16 performance favors the L4 decisively: 121 TFLOPS compared to 40.6 TFLOPS on RTX 5070, accelerating half-precision training and inference prevalent in modern neural networks. L4's FP8 capability at 242 TFLOPS further enhances quantized inference efficiency. FP32 rates show RTX 5070 ahead at 40.6 TFLOPS over L4's 30.3 TFLOPS, benefiting single-precision tasks like scientific simulations or graphics rendering.

Memory bandwidth gives RTX 5070 an edge at 448 GB/s versus L4's 300 GB/s: this allows larger batch sizes in training pipelines where data transfer limits throughput. However, L4's 24 GB VRAM handles models exceeding 12 GB on RTX 5070, reducing the need for model parallelism or offloading. In real-world terms, L4 suits memory-bound inference with high tensor core utilization, while RTX 5070 excels in bandwidth-sensitive generation tasks.

Power efficiency underscores L4's 72W TDP against RTX 5070's 250W: lower consumption enables denser cloud deployments without excessive cooling demands.

Live Cloud Pricing

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

L4

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vast.ai
Vast.ai
NVIDIA L4
24GB VRAM
$0.33/GPU/hr
Available
RunPod
RunPod
NVIDIA L4
24GB VRAM
$0.39/GPU/hr
TensorDock
TensorDock
NVIDIA L40S
48GB VRAM
$0.55/GPU/hr
Available
RunPod
RunPod
NVIDIA L40
48GB VRAM
$0.82/GPU/hr
RunPod
RunPod
NVIDIA L40S
48GB VRAM
$0.86/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the L4

The L4 is the superior choice for memory-intensive workloads such as large language model inference: 24 GB VRAM accommodates models up to that size without sharding, paired with 121 TFLOPS FP16 and 242 TFLOPS FP8 for rapid quantized serving. Its 72W TDP supports high-density server racks, ideal for enterprise-scale deployments where power and space constraints apply.

Datacenter users prioritizing reliability over cost select L4, given its PCIe 4.0 interconnect and proven Ada Lovelace optimizations for sustained AI inference.

When to Choose the RTX 5070

RTX 5070 appeals to budget-driven developers: cloud pricing from $0.08 per hour averaging $0.17 per hour undercuts L4's $0.32 to $0.68 per hour range. Higher 448 GB/s bandwidth boosts performance in image generation or fine-tuning with moderate batch sizes.

Newer Blackwell architecture positions RTX 5070 for graphics-heavy or FP32-dominant tasks at 40.6 TFLOPS, suitable for prototyping where 12 GB VRAM suffices and low cost accelerates iteration.

Use Cases

LLM Training
L4

L4's 24 GB VRAM supports larger batch sizes for extensive models, exceeding RTX 5070's 12 GB limit. Higher 121 TFLOPS FP16 accelerates half-precision training phases.

LLM Inference
L4

24 GB VRAM fits full large language models without partitioning, with 242 TFLOPS FP8 optimizing quantized serving. L4's efficiency suits high-throughput deployments.

Fine-tuning
Either

RTX 5070's 448 GB/s bandwidth aids moderate datasets at low $0.17 per hour cost, while L4's 24 GB VRAM handles parameter-heavy adapters. Choice depends on model scale.

Stable Diffusion
RTX 5070

RTX 5070's 448 GB/s bandwidth and Blackwell architecture enhance image generation throughput. Lower 250W TDP is manageable, with pricing at $0.08 per hour enabling extended runs.

Scientific Computing
RTX 5070

RTX 5070 matches 40.6 TFLOPS FP32 needs for simulations, surpassing L4's 30.3 TFLOPS. Cost efficiency at average $0.17 per hour favors exploratory computations.

Frequently Asked Questions

What is the VRAM difference between L4 and RTX 5070?

L4 provides 24 GB GDDR6 VRAM, doubling RTX 5070's 12 GB GDDR7. This enables L4 to load larger AI models without splitting across GPUs. RTX 5070 suffices for smaller workloads.

How do cloud prices compare for L4 and RTX 5070?

L4 starts at $0.32 per hour averaging $0.68 per hour across 15 offers. RTX 5070 is cheaper at $0.08 per hour averaging $0.17 per hour across 4 offers. Price gaps influence budget selections.

Which GPU has higher FP16 performance?

L4 delivers 121 TFLOPS FP16, far exceeding RTX 5070's 40.6 TFLOPS. This benefits deep learning inference and training. L4 also offers 242 TFLOPS FP8 for quantization.

What are the TDP ratings?

L4 consumes 72W, much lower than RTX 5070's 250W. Lower TDP aids dense cloud racks for L4. RTX 5070 requires more power infrastructure.

How does memory bandwidth differ?

RTX 5070 achieves 448 GB/s, surpassing L4's 300 GB/s. Higher bandwidth supports larger batches in RTX 5070. L4 compensates with greater VRAM capacity.

What architectures do they use?

L4 employs Ada Lovelace from 2023 with PCIe 4.0. RTX 5070 uses Blackwell from 2025. Newer architecture may offer future-proofing in RTX 5070.

Which is cheaper to rent, the L4 or the RTX 5070?

Cloud rental prices for both the L4 and RTX 5070 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 L4 have compared to the RTX 5070?

The L4 has 24 GB of GDDR6 memory. The RTX 5070 has 12 GB of GDDR7 memory.

Can I find L4 and RTX 5070 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 L4 and the RTX 5070?

The L4 uses the Ada Lovelace architecture (2023) while the RTX 5070 uses Blackwell (2025). The L4 delivers 3.0x the FP16 throughput and 1.5x the memory bandwidth of the RTX 5070.

L4 vs RTX 5070: 3.0x FP16 Gap, 24GB vs 12GB | GPUPerHour