llmrun

NVIDIA · Ampere

Best AI Models for NVIDIA GeForce RTX 2050 (4 GB)

Runs only small models well; 7–9B doesn't fit in 4 GB.

4 GB GDDR6112 GB/s12 TFLOPS FP1645 WAmpere 2022

Laptop-only 4 GB Ampere chip (GA107) with a 64-bit bus - despite the name it is NOT Turing. Its 4 GB limits it to ~3B-class Q4 models; bandwidth is only 112 GB/s.

What LLMs can the RTX 2050 run?

#ModelSpeedllmrun ScoreQuant · VRAM
1
Q4_K_M · 3.4 GB · 22.3 t/s
22.3 tok/sQ4_K_M · 3.4 GB
2
Qwen3.5 2BAlibaba
Q4_K_M · 1.9 GB · 41.1 t/s
41.1 tok/sQ4_K_M · 1.9 GB
3
Q4_K_M · 2.5 GB · 38.3 t/s
38.3 tok/sQ4_K_M · 2.5 GB
4
Q4_K_M · 3.5 GB · 21.2 t/s
21.2 tok/sQ4_K_M · 3.5 GB
5
LFM3 1.7BLiquid AI
Q4_K_M · 2.1 GB · 50.6 t/s
50.6 tok/sQ4_K_M · 2.1 GB
See all 151 models on the RTX 2050 →Best quant that fits · speeds estimated on this card

About the RTX 2050

The RTX 2050 runs only small models well. Ampere generation, released 2022.

GenerationAmperereleased 2022

RTX 2050 strengths and weaknesses

Strengths

  • Low power draw: 45 W board power; a 100 W PSU is enough

Weaknesses

  • 7–9B models don't fit: Qwen3.5 9B needs 6.6 GB at Q4 vs 4 GB here
  • Slow prompt reading: A 4K-token prompt on Qwen3.5 4B waits 7.0 s for the first token
  • No FP8 or NVFP4: Ampere predates both; use GGUF, AWQ or GPTQ builds

Similar GPUs

Cards people weigh against the RTX 2050, each with the one reason it is worth a look. Speeds on Qwen3.5 9B.

RTX 2050 tokens per second by model size

Output speed depends on memory bandwidth (112 GB/s). Grey rows need more than 4 GB.

  1. 9BQwen3.5 9B · not at 4-bit
    needs 6.6 GB
  2. 14BQwen3 14B · not at 4-bit
    needs 11.9 GB
  3. 27–31BQwen3.8 27B · not at 4-bit
    needs 17.9 GB
  4. 35B MoEQwen3.6 35B A3B · not at 4-bit
    needs 22.0 GB
  5. 70BLlama 3.3 70B Instruct · not at 4-bit
    needs 51.3 GB
  6. 120B MoEGPT OSS 120B · not at 4-bit
    needs 70.8 GB

Estimated speeds: Q4_K_M, 4K context, one user. How we estimate

All 562 models on the RTX 2050

Featured only

Best quant that fits, ordered by llmrun Score. Fit grades how well it runs here, S best. How ranking works

LLM models compatible with NVIDIA GeForce RTX 2050 — ranked by Score, recency and Fit
ModelVRAMScoreFit
Q4_K_M·56.9 t/s
1.7 GBA82, Runs well
GLM 4.6V Flash
IQ2_XXS·22.7 t/s
3.8 GBC40, Usable
IQ3_M·21.0 t/s
3.8 GBC37, Usable
SmolLM 360M
Q4_K_M·121.3 t/s
0.6 GBS95, Runs great
IQ3_XXS·39.8 t/s
4.0 GBC44, Usable
Q4_K_M·808.9 t/s
0.1 GBS100, Runs great
Gemma 2 2B
Q4_K_M·42.1 t/s
3.6 GBB62, Decent
Q2_K·99.8 t/s
3.8 GBB62, Decent
CAJAL 4B
Q2_K·38.9 t/s
4.0 GBC43, Usable
Qwopus3.5 9B v3
IQ2_S·20.3 t/s
3.9 GBC34, Usable
Q4_K_M·24.5 t/s
3.2 GBB64, Decent
Qwen3 4B Thinking 2507
IQ4_XS·27.5 t/s
4.0 GBC38, Usable
Q4_K_M·7280.0 t/s
0.2 GBS100, Runs great
UI TARS 1.5 7B
IQ2_S·24.2 t/s
3.8 GBC40, Usable
SmolLM 1.7B
Q4_K_M·42.1 t/s
1.7 GBA76, Runs well

RTX 2050 specs, power and PSU

Specs

Architecture
Ampere
VRAM
4 GB GDDR6
Memory bandwidth
112.0 GB/s
FP16 (dense)
12.10 TFLOPS
CUDA cores
2,048
Tensor cores
64
Compute capability
8.6
TDP
45 W
Released
2022-01-03

RTX 2050 FAQ

What is the largest model the RTX 2050 can run?

Qwen3.5 4B (4.7B) is the largest at 4-bit or better: at Q4_K_M it uses 3.4 GB of 4 GB, and runs at about 22.3 tok/s.

Can the RTX 2050 run 7–9B models?

No. Qwen3.5 9B needs 6.6 GB at Q4, more than the 4 GB on this card.

How many tokens per second does the RTX 2050 give?

About 22.3 tok/s on Qwen3.5 4B at Q4_K_M, with the first token after 7.0 s on a 4K-token prompt.

What power supply does the RTX 2050 need?

Plan a 100 W PSU (2× the 45 W TDP).

Is renting cheaper than buying an RTX 2050?

An RTX 3080 Ti (12 GB) rents from $0.12/hr. With regular daily use, owning pays off.