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Best local LLMs for the NVIDIA GeForce RTX 2080

8GB · Turing TU104

448 GB/s — the hardware-coverage list originally said 616; that number is the 2080 Ti's 352-bit bus only (TPU-verified correction 09-04) 2080 vs 2070 Super: same bandwidth, 2080 wins on SM count; used prices often favor the Super — buy the cheaper one Build llama.cpp with CMAKE_CUDA_ARCHITECTURES=75 or silently lose ~19% to PTX JIT

→explore the full catalogupgrade paths with live prices · what fits on each machine

Speed

computed band 42.0-63.0 tok/s for 8B Q4_K_M (roofline, 448.0 GB/s VRAM); community: 58.4 tok/s Llama 3.1 8B Instruct Q4_K_M (https://www.localscore.ai/accelerator/1476); community: 5.3 tok/s Qwen2.5 14B Instruct Q4_K_M (https://www.localscore.ai/accelerator/1476)

Effective decode window: 0.48–0.72 of 448 GB/s nominal → ~215–323 GB/s effective (llama.cpp decode, Q4_K_M basis; arch window, community-calibrated)

Community check — localmaxxing.com medians (1 bucket): localmaxxing.com

→ ~52 tok/s · 8-9B Q4 · 4 runs · inside our computed band

What fits (computed)

→ 13b-q4 no 14.6 GB vs 8 GB usable — does not fit

→ 3b-q4 full 2.8 GB needed of 8 GB usable — headroom for context

→ 4b-q4 full 3.7 GB needed of 8 GB usable — headroom for context

→ 8b-q4 full 6.1 GB needed of 8 GB usable — headroom for context

Cited community benches (2 rows)

→ 58.4 tok/s · Llama 3.1 8B Instruct Q4_K_M LocalScore accelerator/1476 · source

→ 5.3 tok/s · Qwen2.5 14B Instruct Q4_K_M LocalScore (offload, 14.8B > 8GB) · source

Runs fully in memory (machine alternatives)

Nominal bandwidth: 448.0 GB/s — see the effective decode window above

→ qwen3:0.6b on Tesla M60 (16GB, used) ($35) 0.6B · 0.6GB · needs ~1GB (4k ctx)

→ qwen3:1.7b on Tesla M60 (16GB, used) ($35) 1.7B · 1.4GB · needs ~1.8GB (4k ctx)

→ qwen3:4b on Tesla M60 (16GB, used) ($35) 4B · 2.6GB · needs ~3.2GB (4k ctx)

→ llama3.2:1b on Tesla M60 (16GB, used) ($35) 1B · 1.3GB · needs ~1.4GB (4k ctx)

→ llama3.2:3b on Tesla M60 (16GB, used) ($35) 3B · 2.0GB · needs ~2.4GB (4k ctx)

→ gemma3:1b on Tesla M60 (16GB, used) ($35) 1B · 1.0GB · needs ~1.1GB (4k ctx)

→ phi4:mini on Tesla M60 (16GB, used) ($35) mini 3.8B · 2.5GB · needs ~3GB (4k ctx)

→ moondream:2b on Tesla M60 (16GB, used) ($35) 2B · 1.7GB · needs ~3.7GB (4k ctx)

→ whisper:tiny on Tesla M60 (16GB, used) ($35) tiny · 0.1GB · needs ~2.1GB (4k ctx)

→ whisper on Tesla M60 (16GB, used) ($35) base · 0.3GB · needs ~2.3GB (4k ctx)

→ whisper:small on Tesla M60 (16GB, used) ($35) small · 0.9GB · needs ~2.9GB (4k ctx)

→ whisper:medium on Tesla M60 (16GB, used) ($35) medium · 3.1GB · needs ~5.1GB (4k ctx)

→ kokoro:82m on Tesla M60 (16GB, used) ($35) 82M · 0.3GB · needs ~2.3GB (4k ctx)

→ gemma3:4b on Tesla M60 (16GB, used) ($35) 4B · 3.3GB · needs ~3.8GB (4k ctx)

→ deepseek-r1:7b on Tesla M60 (16GB, used) ($35) distill 7B · 4.7GB · needs ~4.9GB (4k ctx)

→ mistral:7b on Tesla M60 (16GB, used) ($35) 7B · 4.1GB · needs ~4.6GB (4k ctx)

→ llava:7b on Tesla M60 (16GB, used) ($35) 7B · 4.7GB · needs ~6.7GB (4k ctx)

→ qwen3:8b on Tesla M60 (16GB, used) ($35) 8B · 5.2GB · needs ~5.8GB (4k ctx)

→ qwen2.5vl:7b on Tesla M60 (16GB, used) ($35) 7B · 5.6GB · needs ~5.8GB (4k ctx)

→ llama3.1:8b on Tesla M60 (16GB, used) ($35) 8B · 4.9GB · needs ~5.4GB (4k ctx)

→ deepseek-r1:8b on Tesla M60 (16GB, used) ($35) distill 8B · 4.9GB · needs ~5.4GB (4k ctx)

→ mistral-nemo:12b on Tesla M60 (16GB, used) ($35) 12B · 7.1GB · needs ~7.7GB (4k ctx)

Borderline — runs, but offloads

→ qwen3:14b 14B — 9.9 GB vs 8 GB usable — partial CPU offload, expect large speed loss

→ gemma3:12b 12B — 9.6 GB vs 8 GB usable — partial CPU offload, expect large speed loss

→ deepseek-r1:14b distill 14B — 9.8 GB vs 8 GB usable — partial CPU offload, expect large speed loss

→ phi4:14b 14B — 9.9 GB vs 8 GB usable — partial CPU offload, expect large speed loss

→ whisper:large-v3 large-v3 — 8.2 of 8 GB usable — barely over; real with q8 KV cache (halves KV) or shorter context

→ sdxl SDXL base — 8.9 GB vs 8 GB usable — partial CPU offload, expect large speed loss

Gotchas

⚠ 448 GB/s — the hardware-coverage list originally said 616; that number is the 2080 Ti's 352-bit bus only (TPU-verified correction 09-04)

⚠ 2080 vs 2070 Super: same bandwidth, 2080 wins on SM count; used prices often favor the Super — buy the cheaper one

⚠ Build llama.cpp with CMAKE_CUDA_ARCHITECTURES=75 or silently lose ~19% to PTX JIT

⚠ The 5.3 tok/s 14B row is a SPILL bench: 14B Q4 on 8GB offloads to CPU, so it measures the CPU path, not this GPU — never compare it to the 8B band (structural exclusion rule, derate doc)

Where to go next

RTX 3080 10GB (used)

$350 — +68% bandwidth, +2GB — the used-value sweet spot

eBay (used) ↗ · Amazon ↗

rtx-3070-ti

GDDR6X 608 GB/s at lower used price

→ its best-models page

2026-10-01 · ← full hardware catalog · fit = working set vs VRAM · speeds are community-reported, cited in our knowledge base