BENCHMARK REPORT

Can I Run Qwen 2.5 7B Instruct on NVIDIA GeForce GTX 1080 Ti?

Comprehensive technical verdict based on static weights, dynamic KV Cache (8k baseline context window), and CUDA runtime overhead.

Official Verdict
YES — Runs Smoothly

Executive Hardware Compatibility Summary: Qwen 2.5 7B Instruct on NVIDIA GeForce GTX 1080 Ti

Authoritative verdict, memory allocation, and token generation performance:

Direct Answer: Can Run PerfectlyQwen 2.5 7B Instruct runs smoothly with 100% dedicated VRAM allocation on NVIDIA GeForce GTX 1080 Ti (11GB). At standard Q4_K_M 4-bit quantization and an 8,192-token context window, total memory demand is 6.49 GB (4.63 GB weights + 0.46 GB dynamic KV cache + 1.15 GB OS & CUDA buffers). Physical GPU memory provides 4.51 GB of free safety buffer, preventing PCIe memory bus throttling. Estimated generation throughput is ~73.2 tokens/sec (~13.7 ms per token) with prompt prefill processing reaching ~312 tok/s.
Run Verdict
100% Fit (Optimal)
Total Required VRAM
6.49 GB / 11 GB
Decoding Speed
~73.2 tok/s (13.7ms)
Safe Context Window
Up to 32k tokens

Hardware Architecture & VRAM Topology

Pascal

NVIDIA GeForce GTX 1080 Ti • 484 GB/s Bandwidth

Token Generation
~73.2 tok/s(13.7 ms)
OPTIMAL
VRAM Utilization Breakdown6.49 GB / 11 GB (59%)
4.63G
1.15G
+4.51G Free
Weights
4.63 GB
KV Cache
0.46 GB
Activation
0.25 GB
OS/Driver
1.15 GB
Free Headroom
4.51 GB
Max Safe Context Limit on this Hardware
You can safely expand prompts up to 87,821 tokens before CUDA OOM.
Headroom Used
8,192 / 87,821

Context Window vs VRAM Scaling Curve

11G VRAM Limit2k6.14G4k6.26G8k6.49G16k6.96G32k7.88G64k9.74G128k13.45G0G11G
Blue line indicates total VRAM demand across context lengths; Red dashed line is physical VRAM ceiling.Max Safe: 87,821 tokens

Can Run Perfectly

optimal

Entire model & KV cache fit fully into VRAM with pure GPU acceleration.

Throughput
~73.2 tok/s
13.7 ms / token
Headroom
4.51 GB
59% of capacity
Layers Fit
28 / 28
100% in VRAM
Max Safe Ctx
86k
Tokens before OOM
Static Permalink:/can-i-run/qwen-2-5-7b-instruct-on-gtx-1080-ti
Open Static Report

Ready-to-Run CLI Commands

ollama run qwen2.5:7b

Commands include automatic memory ceiling flags and model layer offload configurations calculated above.

Cluster Scaled Serving
gpuy.dev On-Demand Compute

Fine-Tune or Scale Qwen 2.5 7B Instruct on NVIDIA RTX 4090 (24GB)

Local inference runs well, but LoRA fine-tuning and multi-user vLLM serving require 40GB+ VRAM with FP8/FP16 optimizer states. Spin up dedicated clusters starting from $0.35/hr.

2x Faster Speed
$0.35/hr
Breakeven: ~5,286 hrs vs hardware purchase
Per-second billing
Launch Cloud Node →Pre-configured environment

Hardware Specification Summary

GPU ArchitecturePascal
Memory Bandwidth484 GB/s
Model Parameters7.6B (LLM)
Attention ArchitectureGrouped-Query (GQA)
Prompt Prefill Speed~312 tok/s (TTFT ~26256ms)
Benchmark Context Tested8,192 tokens
Customize in Full Matcher Simulator →

Global Compatibility Matrix for NVIDIA GeForce GTX 1080 Ti

Evaluated at Standard Q4_K_M Precision with 8,192 Tokens Context Window

Compatibility Index
47% (27/57)
24 Pass3 Tight30 OOM
Model & ArchitectureCategoryParametersRequired VRAMFit StatusEst. SpeedSimulate
DeepSeek-R1 (671B Full MoE)MLAMoE
DeepSeek
MoE671B(37B active)
411.16 GB
OOM (-400.16G)~0.6 tok/sSimulate
DeepSeek-V3 (671B Base/Chat)MLAMoE
DeepSeek
MoE671B(37B active)
411.16 GB
OOM (-400.16G)~0.6 tok/sSimulate
DeepSeek-R1-Distill-Llama-70B
DeepSeek
LLM70.6B
47.6 GB
OOM (-36.6G)~0.6 tok/sSimulate
DeepSeek-R1-Distill-Qwen-32B
DeepSeek
LLM32.8B
23.75 GB
OOM (-12.75G)~2.9 tok/sSimulate
DeepSeek-R1-Distill-Qwen-14B
DeepSeek
LLM14.7B
11.94 GB
OOM (-0.94G)~15.2 tok/sSimulate
DeepSeek-R1-Distill-Llama-8B
DeepSeek
LLM8B
7.33 GB
100% VRAM Fit~69.5 tok/sSimulate
DeepSeek-R1-Distill-Qwen-8B
DeepSeek
LLM8.03B
7.48 GB
100% VRAM Fit~69.3 tok/sSimulate
DeepSeek-R1-Distill-Qwen-7B
DeepSeek
LLM7.6B
6.49 GB
100% VRAM Fit~73.2 tok/sSimulate
DeepSeek-R1-Distill-Qwen-1.5B
DeepSeek
LLM1.8B
2.61 GB
100% VRAM Fit~180 tok/sSimulate
DeepSeek-Coder-V2 Lite (16B / 2.4B MoE)MLAMoE
DeepSeek
MoE15.7B(2.4B active)
11.21 GB
OOM (-0.21G)~102.2 tok/sSimulate
DeepSeek-Coder-V2 (236B / 21B MoE)MLAMoE
DeepSeek
MoE236B(21B active)
146.23 GB
OOM (-135.23G)~1 tok/sSimulate
Qwen 2.5 Coder 72B Instruct
Qwen
LLM72.7B
48.87 GB
OOM (-37.87G)~0.6 tok/sSimulate
Qwen 2.5 72B Instruct
Qwen
LLM72.7B
48.87 GB
OOM (-37.87G)~0.6 tok/sSimulate
Qwen 2.5 VL 72B (Vision Flagship)
Qwen
LLM72.7B
48.87 GB
OOM (-37.87G)~0.6 tok/sSimulate
Qwen 2.5 VL 7B (Vision)
Qwen
LLM7.61B
6.5 GB
100% VRAM Fit~73.1 tok/sSimulate
Qwen 2.5 Coder 32B Instruct
Qwen
LLM32.8B
23.75 GB
OOM (-12.75G)~2.9 tok/sSimulate
Qwen 2.5 Coder 14B Instruct
Qwen
LLM14.7B
11.94 GB
OOM (-0.94G)~15.2 tok/sSimulate
Qwen 2.5 Coder 7B Instruct
Qwen
LLM7.6B
6.49 GB
100% VRAM Fit~73.2 tok/sSimulate
Qwen 2.5 Coder 1.5B Instruct
Qwen
LLM1.54B
2.45 GB
100% VRAM Fit~180 tok/sSimulate
Qwen 2.5 32B Instruct
Qwen
LLM32.8B
23.75 GB
OOM (-12.75G)~2.9 tok/sSimulate
Qwen 2.5 14B Instruct
Qwen
LLM14.7B
11.94 GB
OOM (-0.94G)~15.2 tok/sSimulate
Qwen 2.5 7B Instruct
Qwen
LLM7.6B
6.49 GB
100% VRAM Fit~73.2 tok/sSimulate
Qwen 2.5 3B Instruct
Qwen
LLM3.1B
3.59 GB
100% VRAM Fit~179.5 tok/sSimulate
Qwen 2.5 0.5B Instruct
Qwen
LLM0.49B
1.8 GB
100% VRAM Fit~180 tok/sSimulate
Llama 3.3 70B Instruct
Llama
LLM70.6B
47.6 GB
OOM (-36.6G)~0.6 tok/sSimulate
Llama 3.1 70B Instruct
Llama
LLM70.6B
47.6 GB
OOM (-36.6G)~0.6 tok/sSimulate
Llama 3.1 405B Instruct
Llama
LLM405B
252.77 GB
OOM (-241.77G)~0.6 tok/sSimulate
Llama 3.1 8B Instruct
Llama
LLM8B
7.33 GB
100% VRAM Fit~69.5 tok/sSimulate
Llama 3.2 3B Instruct
Llama
LLM3.2B
4.28 GB
100% VRAM Fit~173.9 tok/sSimulate
Llama 3.2 1B Instruct
Llama
LLM1.23B
2.41 GB
100% VRAM Fit~180 tok/sSimulate
Llama 3.2 11B Vision Instruct
Llama
LLM10.6B
8.92 GB
100% VRAM Fit~52.5 tok/sSimulate
Llama 3.2 90B Vision Instruct
Llama
LLM89B
59.46 GB
OOM (-48.46G)~0.6 tok/sSimulate
Microsoft Phi-4 (14B)
Phi
LLM14.7B
12.01 GB
OOM (-1.01G)~15.2 tok/sSimulate
Microsoft Phi-3.5 Mini (3.8B)
Phi
LLM3.82B
6.91 GB
100% VRAM Fit~145.6 tok/sSimulate
Google Gemma 2 9B Instruct
Gemma
LLM9.2B
9.79 GB
Tight Fit~60.5 tok/sSimulate
Mistral Small 3 (24B Instruct)
Mistral
LLM24B
18.12 GB
OOM (-7.12G)~5.5 tok/sSimulate
Mistral NeMo (12B Instruct)
Mistral
LLM12.2B
10.15 GB
Tight Fit~45.6 tok/sSimulate
Mistral 7B Instruct v0.3
Mistral
LLM7.25B
6.88 GB
100% VRAM Fit~76.7 tok/sSimulate
Codestral 22B (Mistral AI)
Mistral
LLM22.2B
17.02 GB
OOM (-6.02G)~6.5 tok/sSimulate
Mistral Large 2 (123B)
Mistral
LLM123B
79.77 GB
OOM (-68.77G)~0.6 tok/sSimulate
Mixtral 8x7B (MoE 47B)MoE
Mistral
MoE46.7B(12.9B active)
31.15 GB
OOM (-20.15G)~6 tok/sSimulate
Mixtral 8x22B (MoE 141B)MoE
Mistral
MoE141B(39B active)
89.67 GB
OOM (-78.67G)~0.7 tok/sSimulate
Pixtral 12B (Multimodal)
Mistral
LLM12.4B
10.28 GB
Tight Fit~44.9 tok/sSimulate
Gemma 2 27B Instruct
Gemma
LLM27.2B
21.26 GB
OOM (-10.26G)~3.6 tok/sSimulate
Google Gemma 2 2B Instruct
Gemma
LLM2.6B
3.84 GB
100% VRAM Fit~180 tok/sSimulate
GLM-4 9B Chat (Zhipu AI)
GLM
LLM9.4B
7.79 GB
100% VRAM Fit~59.2 tok/sSimulate
FLUX.1 [dev] (12B DiT)
FLUX
ImageGen12B
15.68 GB
OOM (-4.68G)~11.8 tok/sSimulate
FLUX.1 [schnell] (4-step)
FLUX
ImageGen12B
15.68 GB
OOM (-4.68G)~11.8 tok/sSimulate
Stable Diffusion XL (SDXL 1.0)
SDXL
ImageGen3.5B
7.51 GB
100% VRAM Fit~158.9 tok/sSimulate
Stable Diffusion 1.5 (Classic)
SD
ImageGen1B
5.78 GB
100% VRAM Fit~180 tok/sSimulate
Whisper Large v3 (1.5B)
Whisper
Audio1.5B
3.64 GB
100% VRAM Fit~180 tok/sSimulate
Kokoro 82M (Text-to-Speech)
Kokoro
Audio0.082B
1.56 GB
100% VRAM Fit~180 tok/sSimulate
Wan2.1 (14B Text-to-Video)
Wan
ImageGen14.2B
18.72 GB
OOM (-7.72G)~7.9 tok/sSimulate
Wan2.1 (1.3B Video)
Wan
ImageGen1.3B
7.28 GB
100% VRAM Fit~180 tok/sSimulate
HunyuanVideo (13B Video DiT)
Hunyuan
ImageGen13B
19.69 GB
OOM (-8.69G)~8.1 tok/sSimulate
Stable Diffusion 3.5 Large (8B)
SD
ImageGen8.1B
13.3 GB
OOM (-2.3G)~22.6 tok/sSimulate
BAAI BGE-M3 (Multilingual Embedding)
BAAI
LLM0.56B
2.54 GB
100% VRAM Fit~180 tok/sSimulate

Qwen 2.5 7B Instruct Context Scaling Matrix on NVIDIA GeForce GTX 1080 Ti

Dynamic KV Cache footprint and generation throughput measured across sequence lengths (Q4_K_M weights):

Context WindowKV Cache MemoryTotal VRAM DemandCompatibility StatusOffloaded LayersEst. Generation Speed
2,048 tokens (2k)0.12 GB6.14 GB / 11 GB100% Fit0 (All in VRAM)~73.2 tok/s
4,096 tokens (4k)0.23 GB6.26 GB / 11 GB100% Fit0 (All in VRAM)~73.2 tok/s
8,192 tokens (8k)Standard Baseline0.46 GB6.49 GB / 11 GB100% Fit0 (All in VRAM)~73.2 tok/s
16,384 tokens (16k)0.93 GB6.96 GB / 11 GB100% Fit0 (All in VRAM)~73.2 tok/s
32,768 tokens (32k)1.85 GB7.88 GB / 11 GB100% Fit0 (All in VRAM)~73.2 tok/s

Hardware Compatibility Q&A: Qwen 2.5 7B Instruct on NVIDIA GeForce GTX 1080 Ti

Technical answers for memory allocation, CUDA overhead, and execution parameters.

Can NVIDIA GeForce GTX 1080 Ti run Qwen 2.5 7B Instruct?
Can Run Perfectly. Entire model & KV cache fit fully into VRAM with pure GPU acceleration. At an 8k context window, total VRAM demand is 6.49 GB compared to NVIDIA GeForce GTX 1080 Ti's 11 GB frame buffer.
How much VRAM does Qwen 2.5 7B Instruct require?
At standard Q4_K_M quantization and 8k context, Qwen 2.5 7B Instruct requires approximately 6.49 GB of VRAM. This includes 4.63 GB for model weights, 0.46 GB for dynamic KV cache (Grouped-Query Attention (GQA)), 0.25 GB for activation buffers, and 1.15 GB for OS display and CUDA runtime overhead.
What generation speed (tokens/sec) can I expect on NVIDIA GeForce GTX 1080 Ti?
Estimated autoregressive token generation speed is ~73.2 tokens per second with a per-token latency of ~13.7 ms, powered by 484 GB/s memory bandwidth. Prompt prefill processing reaches ~312 tok/s (TTFT ~26256 ms).
What causes CUDA Out-of-Memory (OOM) when running Qwen 2.5 7B Instruct?
CUDA OOM occurs when total memory consumption exceeds NVIDIA GeForce GTX 1080 Ti's 11 GB physical VRAM. While model weights stay static, the KV cache grows with every conversation token. When VRAM fills up, inference engines (like Ollama or llama.cpp) must offload remaining layers across the PCIe bus (31.5 GB/s) to host system RAM, causing generation speed to drop sharply.
How do I run Qwen 2.5 7B Instruct locally on NVIDIA GeForce GTX 1080 Ti?
You can run Qwen 2.5 7B Instruct directly with Ollama using "ollama run qwen-2-5-7b-instruct". For advanced serving with vLLM or llama.cpp, copy the ready-to-run CLI commands in the CLI Commands section above with optimal context, quantization, and GPU layer offload parameters.

Related Hardware Benchmarks & Model Alternatives

Compare Qwen 2.5 7B Instruct and NVIDIA GeForce GTX 1080 Ti against alternative configurations:

Recommended Alternative GPUs for Qwen 2.5 7B Instruct

Explore how Qwen 2.5 7B Instruct performs across other budget, midrange, and flagship architectures:

Other Popular Models You Can Run on NVIDIA GeForce GTX 1080 Ti

Verified open-weights LLMs and image models that fit within NVIDIA GeForce GTX 1080 Ti's 11GB VRAM:

Dual GPU Showdown: NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce RTX 4090

Compare memory bandwidth (484 GB/s vs 1008 GB/s), VRAM headroom (11GB vs 24GB), and inference speed head-to-head.

Launch Showdown Arena

Frequently Asked Questions (FAQ)

Model weights are only one part of total VRAM consumption. When you prompt a model, the KV Cache (Key-Value Cache) stores all historical tokens. At 32k or 64k context, standard GQA attention can demand an additional 4GB to 12GB of VRAM! Combined with activation buffers and OS background consumption (0.8GB on Windows), total memory spikes beyond hardware capacity.