Can DeepSeek R1 Distill Qwen 1.5B run on RTX 5050 8GB?

YES — Runs Great

C45Usable

Estimated from fit model

DeepSeek R1 Distill Qwen 1.5B needs ~2.8 GB VRAM. RTX 5050 8GB has 8.0 GB. With Q4_K_M quantization, expect ~21 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: Very lowStack: StandardBottleneck: Memory bandwidth

Operating mode

Choose the run profile you care about

Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.

Current mode

Balanced

Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 2.8 GB, 28.5 tok/s, Runs well

2.8 GB required8.0 GB available

35% VRAM used

Fit status

Runs well

Decode

28.5 tok/s

TTFT

6793 ms

Safe context

490K

Memory

2.8 GB / 8.0 GB

Memory breakdown

Weights0.9 GB

KV Cache0.2 GB

Runtime0.9 GB

Headroom0.8 GB

See how fast it feels

See how fast it feelsDeepSeek R1 Distill Qwen 1.5B on RTX 5050 8GB
1st promptCold start — includes initialization
>Solve: If a train travels at 60 mph for 2.5 hours, how far does it go?
Let me work through this step by step.

Given information:
  - Speed = 60 mph (miles per hour)
  - Time  = 2.5 hours

Formula: Distance = Speed x Time

Calculation:
  Distance = 60 mph x 2.5 h
           = 150 miles

The train travels 150 miles.

Double-check: at 60 mph the train covers 60 miles each hour. In half an hour it covers 30 miles. So in 2.5 hours: 60 + 60 + 30 = 150 miles. Confirmed.
2nd promptWarm — model ready, no init overhead
>What if the train stops for 20 minutes halfway?
The stop doesn't change the total distance covered while moving, but it affects total trip time.

Breakdown:
  - First half: 1.25 hours at 60 mph = 75 miles
  - Stop: 20 minutes (no distance)
  - Second half: 1.25 hours at 60 mph = 75 miles

Total distance: 150 miles (same)
Total time: 2.5 h + 0.33 h = 2.83 hours
Average speed: 150 / 2.83 = 53 mph

The distance stays the same but average speed drops to 53 mph because of the stop.
Estimated: 28.5 tok/s decode · 6.8s TTFT (warm) · 71 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

No major red flags

This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.

Best improvement path

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	C	Runs well	28.5 tok/s	3705 ms	431K
Coding	C	Runs well	21.0 tok/s	9219 ms	490K
Agentic Coding	C	Runs well	28.5 tok/s	9881 ms	490K
Reasoning	C	Runs well	28.5 tok/s	8028 ms	490K
RAG	C	Runs well	28.5 tok/s	12351 ms	490K

Quantization options

How DeepSeek R1 Distill Qwen 1.5B (1.5B params) fits at each quantization level on RTX 5050 8GB (8.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	0.6 GB	Low	C49
Q3_K_S	3	0.7 GB	Low	C50
NVFP4	4

Get started

Copy-paste commands to run DeepSeek R1 Distill Qwen 1.5B on your machine.

Run

lms load hf-unsloth--deepseek-r1-distill-qwen-1-5b-gguf && lms server start

Frequently asked questions

Can RTX 5050 8GB run DeepSeek R1 Distill Qwen 1.5B?

Yes, RTX 5050 8GB can run DeepSeek R1 Distill Qwen 1.5B with a C grade (Runs well). Expected decode speed: 21.0 tok/s.

How much VRAM does DeepSeek R1 Distill Qwen 1.5B need?

DeepSeek R1 Distill Qwen 1.5B (1.5B parameters) requires approximately 2.8 GB of memory with Q4_K_M quantization.

What is the best quantization for DeepSeek R1 Distill Qwen 1.5B?

The recommended quantization for DeepSeek R1 Distill Qwen 1.5B is Q4_K_M, which balances quality and memory efficiency.

What speed will DeepSeek R1 Distill Qwen 1.5B run at on RTX 5050 8GB?

On RTX 5050 8GB, DeepSeek R1 Distill Qwen 1.5B achieves approximately 21.0 tokens per second decode speed with a time-to-first-token of 9219ms using Q4_K_M quantization.

Can RTX 5050 8GB run DeepSeek R1 Distill Qwen 1.5B for coding?

For coding workloads, DeepSeek R1 Distill Qwen 1.5B on RTX 5050 8GB receives a C grade with 21.0 tok/s and 490K context.

What context window can DeepSeek R1 Distill Qwen 1.5B use on RTX 5050 8GB?

On RTX 5050 8GB, DeepSeek R1 Distill Qwen 1.5B can safely use up to 490K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for RTX 5050 8GB See all hardware for DeepSeek R1 Distill Qwen 1.5B

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