HARDWARE FIT CHECK • Google Gemma 2 27B Instruct + NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)23.81 GB / 16 GB VRAM

Can I Run Google Gemma 2 27B Instruct on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)?

Full VRAM footprint analysis, tokens/sec generation benchmark, and copy-paste Ollama & vLLM runtime commands for running Google Gemma 2 27B Instruct (27.2B) on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7) (16 GB).

✕ OOM23.81 GB (149%)0 t/s

Model & Target Hardware

interactive
Best Dense 27B Model for 24GB GPUs with Top MMLU Performance
GPU Topology / Quantity:Single GPU / Unified SoC
Google Gemma 2 27B Instruct on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)

✕ Out of Memory — Exceeds VRAM Capacity

✕ OOM
Required VRAM
23.81 GB
149% of hardware capacity (16 GB)
Est. Decode Speed
0 tok/s
Dense model @ 896 GB/s
Available Headroom
-7.81 GB
Needs +7.81 GB more VRAM
Memory Allocation & Headroom
23.81 GB allocated of 16 GB capacity
149% utilized
Weights: 16.32 GB
KV: (32K): 6.17 GB
Overhead: 1.32 GB
Deficit: -7.81 GB
⚡ Architecture & Throughput Transparency: Single-user decode speed (~0 tok/s) is memory-bandwidth bound at batch size = 1 on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7) (896 GB/s). Prompt prefill / TTFT (~0 tok/s) is compute-bound and utilizes GPU Tensor cores. Actual latency varies with FlashAttention-2 and runtime engine (Ollama/vLLM/llama.cpp).
OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run gemma2:27b

Local Hardware Configurations & Pricing

⚠️ Out of VRAM: High-Capacity Hardware Upgrades
High-bandwidth VRAM specs and current market prices
Consumer GPU✓ Fits Model
32 GB VRAM

NVIDIA GeForce RTX 5090 (32GB GDDR7)

Maximum tokens/sec on 27B–35B models & Blackwell FP4 quantization

1792 GB/s575W TDP
Consumer GPU✓ Fits Model
24 GB VRAM

NVIDIA GeForce RTX 4090 (24GB GDDR6X)

The 24GB CUDA enthusiast standard for 14B–32B Q4_K_M models

1008 GB/s450W TDP
Multi-GPU Rig✓ Fits Model
48 GB VRAM

2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)

Best price-to-VRAM homelab rig for 70B Q4_K_M & Qwen 3.8 27B Q8

936 GB/s700W TDP
Consumer GPU
16 GB VRAM

NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)

Next-gen 16GB Blackwell GPU for fast 14B–32B Q4_K_M coding

896 GB/s300W TDP

Quantization Precision Matrix

32K ctx • KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw54.4 GB6.17 GB63.22 GB (395%)0 t/sOOM
Q8_08.5 bpw28.83 GB6.17 GB36.76 GB (230%)0 t/sOOM
Q6_K6.56 bpw22.3 GB6.17 GB30 GB (188%)0 t/sOOM
Q5_K_M5.68 bpw19.31 GB6.17 GB26.91 GB (168%)0 t/sOOM
Q4_K_M4.8 bpw16.32 GB6.17 GB23.81 GB (149%)0 t/sOOM
FP44.25 bpw14.42 GB6.17 GB21.84 GB (137%)0 t/sOOM
IQ3_XS3.3 bpw11.15 GB6.17 GB18.46 GB (115%)~11 t/sPARTIAL

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FAQ & Reference

Frequently Asked Questions: Google Gemma 2 27B Instruct on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)

How much VRAM does Google Gemma 2 27B Instruct need on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)?

At standard 4-bit quantization (Q4_K_M) with 32K context, Google Gemma 2 27B Instruct requires 23.81 GB of total VRAM (weights + KV cache + CUDA runtime overhead).

What inference speed will Google Gemma 2 27B Instruct achieve on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)?

Based on NVIDIA GeForce RTX 5070 Ti (16GB GDDR7)'s 896 GB/s memory bandwidth, expected decode speed is approximately 0 tokens per second.

Can I expand context beyond 32K tokens?

Each additional 32K tokens of context requires additional KV cache memory. For longer context windows, consider 8-bit or 4-bit KV cache quantization.