Local AI workstation

RTX 5070 Ti 1440p AI + Gaming Alternative

A cooler, lower-cost alternative to the main 4K build while retaining 16GB CUDA memory

Is this build right for me?

AI strength score

For everyday local AI, coding help, and document work.

Value

Modest local-AI capability for the current estimated price.

What this build can handle

Comfortable

  • 7B/8B Q4 models when the memory estimate fits
  • 13B/14B Q4 models at moderate context

Possible with limits

  • Everyday local LLM fit assumes quantization and moderate context; 30B is not a normal target without more VRAM.
  • This build handles 12B-class models better than larger dense models; choose a 24GB+ VRAM build for a practical 27B target.

Choose this build if you want a local AI PC matched to the workloads above.

Estimated parts price history

The chart combines the current estimated baseline with verified market prices. New checks automatically replace estimated points for the matching period.

Latest estimated parts total

€3,237

Final price has service fees included.

Component total

Time range

Tap a point to see its price. Swipe the chart sideways to inspect every date.

The chart slider reports the component total by date.

Estimated parts price historyThe line shows the estimated total for all components using both baseline estimates and available checked market prices. Values for individual dates remain available through the chart slider and data table.€2,913€3,059€3,205€3,350€3,4967 May18 Jun2 Aug

Component total by date
DateComponent totalCheckedEstimatedCPUGPURAMStorageMotherboardPSUCaseCooler
7 May€3,23708€311€1,039€812€605€150€132€144€44
10 May€3,23708€311€1,039€812€605€150€132€144€44
13 May€3,23708€311€1,039€812€605€150€132€144€44
16 May€3,23708€311€1,039€812€605€150€132€144€44
19 May€3,23708€311€1,039€812€605€150€132€144€44
22 May€3,23708€311€1,039€812€605€150€132€144€44
25 May€3,23708€311€1,039€812€605€150€132€144€44
28 May€3,23708€311€1,039€812€605€150€132€144€44
31 May€3,23708€311€1,039€812€605€150€132€144€44
3 Jun€3,23708€311€1,039€812€605€150€132€144€44
6 Jun€3,23708€311€1,039€812€605€150€132€144€44
9 Jun€3,23708€311€1,039€812€605€150€132€144€44
12 Jun€3,23708€311€1,039€812€605€150€132€144€44
15 Jun€3,23708€311€1,039€812€605€150€132€144€44
18 Jun€3,23708€311€1,039€812€605€150€132€144€44
21 Jun€3,23708€311€1,039€812€605€150€132€144€44
24 Jun€3,23708€311€1,039€812€605€150€132€144€44
27 Jun€3,23708€311€1,039€812€605€150€132€144€44
30 Jun€3,23708€311€1,039€812€605€150€132€144€44
3 Jul€3,23708€311€1,039€812€605€150€132€144€44
6 Jul€3,23708€311€1,039€812€605€150€132€144€44
9 Jul€3,23708€311€1,039€812€605€150€132€144€44
12 Jul€3,23708€311€1,039€812€605€150€132€144€44
15 Jul€3,23708€311€1,039€812€605€150€132€144€44
18 Jul€3,23708€311€1,039€812€605€150€132€144€44
21 Jul€3,23708€311€1,039€812€605€150€132€144€44
24 Jul€3,23708€311€1,039€812€605€150€132€144€44
27 Jul€3,23708€311€1,039€812€605€150€132€144€44
30 Jul€3,23780€311€1,039€812€605€150€132€144€44
2 Aug€3,23708€311€1,039€812€605€150€132€144€44

Core Configuration

CPU

AMD Ryzen 7 9700X

GPU

PNY GeForce RTX 5070 Ti 16GB Triple Fan

VRAM

16 GB

RAM

64 GB

Storage

4000 GB

Recommended model class

7B-14B q4 + high-refresh 1440p gaming

Performance & Power

Throughput

Runtime qualification required; no fixed throughput promise

System power

~430 W

Recommended PSU

750 W

Cooling

Dual-tower air cooling

Component Pricing Breakdown

Component rows show Estonian market or reference prices. Service, assembly, and configuration are shown separately below.

Local AI examples

Examples for RTX 5070 Ti 1440p AI + Gaming Alternative, based on GPU VRAM or Apple unified memory plus RAM headroom. System RAM is not treated as VRAM.

Good fit for private chatGood fit for coding helpGood fit for document summariesNot ideal for 70B+ models

Recommended model

Gemma 4 12B

A current multimodal everyday model that makes good use of a 16GB GPU.

It is the strongest comfortable general-purpose starting point for most 16GB builds.

Comfortable GPU fit

Fast

ollama run gemma4:12b-it-qat

Likely good memory headroom for this quantized model at normal context sizes.

  • 64GB system/unified memory available
  • 16GB effective accelerator memory for model weights and cache

Qwen3.5 9B

Private chat, coding help, document summaries, and image questions

Comfortable GPU fit

A strong everyday model for 12GB-class GPUs and a practical coding pick when speed matters.

Expected experience: Fast

Likely good memory headroom for this quantized model at normal context sizes.

  • 64GB system/unified memory available
  • 16GB effective accelerator memory for model weights and cache

Qwen3.6 27B

Serious coding help, complex reasoning, and longer document analysis

Partial GPU offload only

A strong dense model for 24GB to 32GB GPUs and higher-memory Apple systems.

Expected experience: Very slow

Offload-heavy experiment only: expect slower responses and keep context short. This is not a normal recommended target.

  • 64GB system/unified memory available
  • 16GB effective accelerator memory for model weights and cache

Llama 3.3 70B Instruct

High-end local chat experiments on 48GB GPUs or 96GB+ Apple systems

Not realistic here

A clear upper-limit example for checking whether a machine can attempt a 70B-class model.

Expected experience: Not recommended

This model needs roughly 51GB GPU memory at Q4_K_M with moderate context; this machine has about 16GB VRAM.

  • 64GB system/unified memory available
  • 16GB effective accelerator memory for model weights and cache

Qwen3.5 4B

Fast private chat, short summaries, and first local-AI experiments

Comfortable GPU fit

A current compact model for learning local AI, multilingual chat, and short document work.

Expected experience: Fast

Likely good memory headroom for this quantized model at normal context sizes.

  • 64GB system/unified memory available
  • 16GB effective accelerator memory for model weights and cache
Expandable technical details

Assumptions

  • GPU VRAM assumption: 16GB from PNY GeForce RTX 5070 Ti 16GB Triple Fan.
  • System RAM: 64GB.
  • Ratings include model weights, estimated KV cache, runtime overhead, and safety margin for one local model running at a time. Treat them as fit guidance, not a speed guarantee.
Gemma 4 12B technical details

Family: Google Gemma 4

Parameters: 11.95B

Structure: 11.95B dense

License: Apache License 2.0; allowed. For guidance only; review the model licence before commercial use.

Native context: 262,144 tokens

Quantization: Q4_0 QAT

Approx. Q4 weights: 7.2 GB

Default estimate: 11.5 GB @ 8,192 tokens

Weights / KV / runtime / margin: 7.2 GB / 1.5 GB / 1.2 GB / 1.5 GB

CPU/RAM fallback: Not recommended

VRAM: 12 GB minimum / 16 GB recommended

RAM: 24 GB minimum / 32 GB recommended

Current run mode: Comfortable GPU fit

Expected experience: Fast

Full GPU offload: Only when the memory estimate and context fit

Context warning: Its large context window still requires substantial KV-cache headroom.

ContextWeightsKVRuntimeMarginEstimated GPU memory
4K7.2 GB1 GB1.2 GB1.5 GB11 GB
8K7.2 GB1.5 GB1.2 GB1.5 GB11.5 GB
16K7.2 GB2.5 GB1.2 GB1.5 GB12.5 GB
32K7.2 GB5 GB1.2 GB2 GB15.5 GB
Qwen3.5 9B technical details

Family: Qwen3.5

Parameters: 9B

Structure: 9B dense

License: Apache License 2.0; allowed. For guidance only; review the model licence before commercial use.

Native context: 262,144 tokens

Extended context: 1,010,000 via YaRN; not a default fit assumption

Quantization: Q4_K_M

Approx. Q4 weights: 6.6 GB

Default estimate: 11 GB @ 8,192 tokens

Weights / KV / runtime / margin: 6.6 GB / 1.5 GB / 1.2 GB / 1.5 GB

CPU/RAM fallback: Not recommended

VRAM: 8 GB minimum / 12 GB recommended

RAM: 16 GB minimum / 32 GB recommended

Current run mode: Comfortable GPU fit

Expected experience: Fast

Full GPU offload: Only when the memory estimate and context fit

Context warning: Start around 8K context even though the model supports much more.

ContextWeightsKVRuntimeMarginEstimated GPU memory
4K6.6 GB1 GB1.2 GB1.5 GB10.5 GB
8K6.6 GB1.5 GB1.2 GB1.5 GB11 GB
16K6.6 GB2.5 GB1.2 GB1.5 GB12 GB
32K6.6 GB5 GB1.2 GB2 GB15 GB

Research sources

Researched: 2026-07-30

Qwen3.6 27B technical details

Family: Qwen3.6

Parameters: 27B

Structure: 27B dense

License: Apache License 2.0; allowed. For guidance only; review the model licence before commercial use.

Native context: 262,144 tokens

Extended context: 1,010,000 via YaRN; not a default fit assumption

Quantization: Q4_K_M

Approx. Q4 weights: 17 GB

Default estimate: 23 GB @ 8,192 tokens

Weights / KV / runtime / margin: 17 GB / 2 GB / 1.5 GB / 2.5 GB

CPU/RAM fallback: Not recommended

VRAM: 24 GB minimum / 32 GB recommended

RAM: 48 GB minimum / 64 GB recommended

Current run mode: Partial GPU offload only

Expected experience: Very slow

Full GPU offload: Only when the memory estimate and context fit

Context warning: Repository-scale or very long document context can push a 24GB card beyond a comfortable fit.

ContextWeightsKVRuntimeMarginEstimated GPU memory
4K17 GB1 GB1.5 GB2.5 GB22 GB
8K17 GB2 GB1.5 GB2.5 GB23 GB
16K17 GB4 GB1.5 GB3 GB25.5 GB
32K17 GB8 GB1.5 GB3.5 GB30 GB

Research sources

Researched: 2026-07-30

Llama 3.3 70B Instruct technical details

Family: Meta Llama 3.3

Parameters: 70.60B

Structure: 70.6B dense

License: Llama 3.3 Community License; allowed with terms; gated access. For guidance only; review the model licence before commercial use.

Native context: 131,072 tokens

Quantization: Q4_K_M

Approx. Q4 weights: 42.5 GB

Default estimate: 51 GB @ 4,096 tokens

Weights / KV / runtime / margin: 42.5 GB / 3 GB / 1.5 GB / 4 GB

CPU/RAM fallback: Not recommended

VRAM: 48 GB minimum / 64 GB recommended

RAM: 64 GB minimum / 96 GB recommended

Current run mode: Not realistic here

Expected experience: Not recommended

Full GPU offload: Often limited

Context warning: The Q4 weights alone use about 42.5GB before KV cache, runtime overhead, and desktop headroom.

ContextWeightsKVRuntimeMarginEstimated GPU memory
4K42.5 GB3 GB1.5 GB4 GB51 GB
8K42.5 GB6 GB1.5 GB4 GB54 GB
16K42.5 GB12 GB1.5 GB4.5 GB60.5 GB
32K42.5 GB24 GB1.5 GB5.5 GB73.5 GB

Research sources

Researched: 2026-07-30

Qwen3.5 4B technical details

Family: Qwen3.5

Parameters: 4B

Structure: 4B dense

License: Apache License 2.0; allowed. For guidance only; review the model licence before commercial use.

Native context: 262,144 tokens

Extended context: 1,010,000 via YaRN; not a default fit assumption

Quantization: Q4_K_M

Approx. Q4 weights: 3.4 GB

Default estimate: 6 GB @ 8,192 tokens

Weights / KV / runtime / margin: 3.4 GB / 0.5 GB / 0.8 GB / 1 GB

CPU/RAM fallback: Small-model fallback only

VRAM: 4 GB minimum / 8 GB recommended

RAM: 8 GB minimum / 16 GB recommended

Current run mode: Comfortable GPU fit

Expected experience: Fast

Full GPU offload: Only when the memory estimate and context fit

Context warning: The advertised long context is not a practical default on low-memory machines.

ContextWeightsKVRuntimeMarginEstimated GPU memory
4K3.4 GB0.5 GB0.8 GB1 GB6 GB
8K3.4 GB0.5 GB0.8 GB1 GB6 GB
16K3.4 GB1 GB0.8 GB1 GB6.5 GB
32K3.4 GB2 GB0.8 GB1 GB7.5 GB

Research sources

Researched: 2026-07-30

Local AI performance is approximate. Results depend on quantization, context length, backend, drivers, and whether the model plus KV cache fits in VRAM or Apple unified memory.

AI terms in plain language

VRAM

Memory on the graphics card; usually the main limit for local AI model size.

System RAM vs GPU memory

RAM helps apps and data work; GPU memory usually decides which model size can run quickly.

CUDA

NVIDIA’s software layer for many AI tools. Macs and AMD GPUs do not run CUDA workflows the same way.

Apple unified memory

Apple Silicon memory shared by CPU, GPU, macOS, and apps. Useful for Mac AI, but not the same as NVIDIA VRAM.

7B / 8B / 14B / 70B

Approximate model size in billions of parameters. Larger numbers usually need more memory and may run slower.

Quantized models

Compressed models, such as Q4, that use less memory with possible quality or speed tradeoffs.

Context length

How much text the model can keep in mind at once. Longer context uses more memory.

Inference

Running an existing model for chat, coding help, summaries, or document workflows.

Fine-tuning vs adapter tuning

Fine-tuning adapts a model; adapter tuning, such as LoRA/QLoRA, is a lighter way to steer an existing model with examples.

Dual-GPU limitations

Two GPUs do not automatically combine VRAM into one large pool. Software must explicitly support multiple GPUs.

eGPU limitations

External GPUs need enclosure, driver, and runtime validation, and usually do not mean macOS graphics or gaming acceleration.

Planning estimate / written quote

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Planning estimate

About €3,860

Estimated component total
€3,238
Service / assembly / configuration fee (19.22%)
€622
Estimated build total
€3,860

The displayed amount is a planning estimate. The written quote includes the exact total and confirmed availability.

The chart shows the estimated Estonian parts total before service and assembly. New price checks replace baseline estimates automatically. No payment is collected when you request a quote.

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