Chat
SQwen 3.5 4B
This model is a direct match for chat. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, ollama, lm-studio.
NVIDIA
Operating mode
Use this to bias workload recommendations toward responsiveness, background autonomy, lighter serving, or multi-GPU scale-out.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
The RTX 4070 Laptop GPU brings Ada Lovelace efficiency to mobile workstations with 8 GB of GDDR6 and a configurable 35–115W TGP. Compared to the desktop RTX 4070 (12 GB, 200W), the laptop variant runs at roughly 50–60% of desktop TDP with half the VRAM, trading capacity and speed for portability. It is a practical card for running 7B models at FP16 on the go and handles quantized 13B models, though the 8 GB ceiling is a hard constraint for anything larger.
Beyond LLMs
What AI tasks this GPU can handle — from text generation to image and video creation.
| Capability | Status | Representative Model |
|---|---|---|
| LLM Chat (7B) | Runs natively | Llama 3.1 8B Q4 |
| LLM Coding (30B) | Won’t fit | Qwen 3 30B Q4 |
| LLM Large (70B) | Won’t fit | Llama 3.1 70B Q4 |
| Image Gen (SDXL) | Runs with sequential offload | SDXL 1.0 FP16 |
| Image Gen (Flux) | Won't fit | Flux.1 Dev FP16 |
| Image Gen (SD 3.5) | Won't fit | SD 3.5 Large FP16 |
| Video Short (25f) | Won't fit | LTX Video 2B |
| Video Long (100f) | Won't fit | Wan Video 14B |
Architecture
Ada Lovelace is NVIDIA's fourth-generation RTX architecture, manufactured on TSMC's custom 4N process. It introduces 4th-generation Tensor Cores with FP8 support, 3rd-generation ray tracing cores, and the Shader Execution Reordering (SER) engine for improved workload scheduling.
AI Relevance
FP8 Tensor Core operations provide a significant uplift for quantized LLM inference compared to Ampere's FP16-only Tensor Cores. DLSS 3 Frame Generation demonstrates the architecture's AI processing capabilities.
Consejo de compra
Usable para IA local con limitaciones
Puede ejecutar 7 de 50 modelos principales, mayormente los más pequeños. Los modelos más grandes necesitan cuantización fuerte o no cabrán.
8.0 GB
VRAM
Mejores modelos para esta GPU
What will limit you first
Este setup está bastante equilibrado para este modelo.
No hay grandes señales de alerta
Esta recomendación tiene margen de memoria suficiente y una velocidad estimada razonable para la carga de trabajo seleccionada.
Best upgrade itinerary
Desbloquea 33 modelos adicionales que hoy no caben en tu setup.
¿Quieres más margen? RTX 3080 10GB (10.0 GB VRAM) es el siguiente paso.
Chat
SThis model is a direct match for chat. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, ollama, lm-studio.
Coding
SThis model is a direct match for coding. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, ollama, lm-studio.
Agentic Coding
AThis model is still usable for agentic-coding, but it is not the most specialized pick. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, ollama, lm-studio.
Reasoning
SThis model is a direct match for reasoning. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, ollama.
RAG
AThis model is a direct match for rag. It sits in the middle of the current model mix. It fits natively with comfortable headroom. Known channels: huggingface, ollama.
Casi al alcance
Modelos de alta calidad que necesitan un poco más de memoria
Image & Video Generation
21 of 52 models can generate images or video on your RTX 4070 Laptop 8GB
| Model | Max Resolution | Gen Time | Grade |
|---|---|---|---|
| SD TurboImage | 512×512 | ~1.9s | S |
| Stable Diffusion 1.5Image | 512×768 | ~3.7s | S |
| Realistic Vision v5.1Image | 512×768 | ~3.7s | S |
| DreamShaper 8Image | 512×768 | ~3.7s | S |
| LCM DreamShaper v7Image | 512×768 | ~1.1s | S |
| PixArt-SigmaImage | 256×256 | ~14.9s | S |
| FramePack I2VVideo | 256×256 | ~27.4s/frame | A |
| SDXL TurboImage | 256×256 | ~4.9s | A |
| SDXL LightningImage | 256×256 | ~14.8s | B |
| Stable Diffusion XL 1.0Image | 256×256 | ~39.6s | B |
| Playground v2.5Image | 256×256 | ~22.4s | B |
| RealVisXL v5.0Image | 256×256 | ~44.5s | B |
| DreamShaper XLImage | 256×256 | ~44.5s | B |
| Juggernaut XL v9Image | 256×256 | ~44.5s | B |
| Animagine XL 3.1Image | 256×256 | ~44.5s | B |
| Pony Diffusion V6 XLImage | 256×256 | ~44.5s | B |
| Animagine XL 4.0Image | 256×256 | ~44.5s | B |
| Illustrious XLImage | 256×256 | ~44.5s | B |
| Wan Video 2.1 1.3BVideo | 256×256 | ~10.9s/frame | D |
| Stable Diffusion 3.5 MediumImage | 256×256 | ~26.1s | D |
| Flux.2 Klein 4BImage | 256×256 | ~4.5s | D |
| LTX Video 2BVideo | 256×256 | ~12.9s/frame | F |
| KolorsImage | 256×256 | ~29.8s | F |
| Stable CascadeImage | 256×256 | ~37.3s | F |
| AuraFlow v0.3Image | 256×256 | ~1m 7s | F |
| Stable Diffusion 3.5 LargeImage | 256×256 | ~1m 22s | F |
| Stable Diffusion 3.5 Large TurboImage | 256×256 | ~14.9s | F |
| CogVideoX 2BVideo | 256×256 | ~12.9s/frame | F |
| HunyuanVideoVideo | 256×256 | ~27.4s/frame | F |
| ChromaImage | 256×256 | ~14.9s | F |
| Z-Image TurboImage | 256×256 | ~15.4s | F |
| Flux.1 DevImage | 256×256 | ~1m 7s | F |
| Flux.1 SchnellImage | 256×256 | ~13s | F |
| LTX Video 13BVideo | 256×256 | ~27.4s/frame | F |
| Flux.1 Kontext DevImage | 256×256 | ~1m 15s | F |
| AnimateDiff v1.5.3Video | 512×768 | ~6.8s/frame | F |
| Cosmos Diffusion 7BVideo | 256×256 | ~21.4s/frame | F |
| CogVideoX 5BVideo | 256×256 | ~18.7s/frame | F |
| Wan2.2 TI2V 5BVideo | 256×256 | ~18.7s/frame | F |
| Flux.2 Klein 9BImage | 256×256 | ~7.5s | F |
| Flux.1 Fill DevImage | 256×256 | ~1m 3s | F |
| Mochi 1 PreviewVideo | 256×256 | ~24.6s/frame | F |
| HunyuanVideo 1.5Video | 256×256 | ~22.9s/frame | F |
| Helios 14BVideo | 256×256 | ~28.2s/frame | F |
| SkyReels V2 14BVideo | 256×256 | ~28.2s/frame | F |
| Wan Video 2.1 14BVideo | 256×256 | ~28.2s/frame | F |
| Wan Video 2.2 14BVideo | 256×256 | ~28.2s/frame | F |
| Qwen ImageImage | 256×256 | ~25.1s | F |
| Qwen Image EditImage | 256×256 | ~25.1s | F |
| Flux.2 DevImage | 256×256 | ~11m 45s | F |
| MAGI-1Video | 256×256 | ~35s/frame | F |
| HunyuanImage 3.0Image | 256×256 | ~44.2s | F |
Image models estimated at 1024×1024 (28 steps, FP16). Video models estimated at 768×512 (25 frames, 30 steps, FP16). Actual performance varies with runtime and system load.
Upgrade paths
See what you unlock with more powerful hardware
Opciones de mejora
Desbloquea 33 modelos adicionales que hoy no caben en tu setup.
Eleva la velocidad media de decodificación en torno a un 69% en los modelos que sí caben.
~$699 MSRP
Desbloquea 34 modelos adicionales que hoy no caben en tu setup.
Eleva la velocidad media de decodificación en torno a un 69% en los modelos que sí caben.
~$999 MSRP
Desbloquea 74 modelos adicionales que hoy no caben en tu setup.
~$329 MSRP
Desbloquea 155 modelos adicionales que hoy no caben en tu setup.
Eleva la velocidad media de decodificación en torno a un 319% en los modelos que sí caben.
~$8,000 MSRP
RTX 4070 Laptop 8GB (8 GB VRAM) can run these top models: Qwen 3.5 4B (score: 96/100), Phi-4 Mini Reasoning 4B (score: 92/100), Jina Embeddings v3 (score: 84/100). See the full compatibility list above.
RTX 4070 Laptop 8GB has 8 GB of VRAM available for AI model inference. This determines which models and quantization levels you can run locally.
Yes, RTX 4070 Laptop 8GB is excellent for running LLMs locally with top compatibility scores above 80/100.
For coding on RTX 4070 Laptop 8GB, we recommend Qwen 3.5 4B. It achieves 64.0 tokens per second with 28K context window. This model is a direct match for coding. It belongs to a current frontier family for local AI. It fits natively with comfortable headroom. Known channels: huggingface, ollama, lm-studio.
There are 4 upgrade path(s) from RTX 4070 Laptop 8GB: RTX 3080 10GB, RTX 2080 Ti 11GB. Upgrading would unlock larger models and faster inference speeds.
Flux.1 Dev requires around 24 GB of usable memory at FP16. With 8 GB, RTX 4070 Laptop 8GB cannot run Flux natively. Consider quantized GGUF variants or the smaller Schnell model with aggressive offloading.
RTX 4070 Laptop 8GB (8 GB VRAM) can handle various AI generation tasks beyond LLMs. For image generation, SDXL and Stable Diffusion 3.5 run well. For video, video generation is limited by available memory. Check the AI Capability Matrix above for detailed compatibility.
RTX 4070 Laptop 8GB can handle basic AI image generation with SDXL and SD 1.5. With 8 GB of usable memory, larger models like Flux will need quantization or offloading. Best suited for standard resolution (512-1024px) generation.
Qwen 3.5 27B does not fit on RTX 4070 Laptop 8GB with 8 GB. However, Qwen 3.5 9B at Q4 (5.5 GB) or Q5 (6.5 GB) runs well on your GPU. The 4B variant fits at Q8 for near-lossless quality.
With 8 GB on RTX 4070 Laptop 8GB, use Q4_K_M for 8B models and Q4_K_M with tight context for 14B models. Q5_K_M is a good middle ground when the model fits. For the best quality-to-size ratio, Q4_K_M is the most popular choice.
On RTX 4070 Laptop 8GB, capacity is usually the first gate: if the model does not fit, bandwidth does not matter. But once a model fits, memory bandwidth is what largely determines tokens per second. In practice, you want enough memory to fit the model plus headroom, then as much bandwidth as your budget allows.
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