NVIDIA · consumer

Titan RTX

Titan RTX has 24 GB of VRAM at 672 GB/s — about 22.32 GiB usable after driver and compositor overhead. 1870 of 2118 indexed models fit at 128K context with q4_0 KV.

Spec sheet· bandwidth, theoreticalFrom the file· fit from summed bytesPredicted· speed
Memory
24 GB
GDDR6
Bandwidth
672 GB/s
384-bit bus
Tensor FP16
131 TF
dense
TDP
280 W
KV cachef16q8_0q4_0quantizing the KV cache is a ~2× lever on the dominant term at long context
text 1595image 2vision language 171audio asr 39audio tts 21video 16embedding 26

What fits at 128K context

largest quantization that fits, per model · 1870 of 2118 indexed
ModelBest quantParamsWeightsKVTotal in memoryHeadroomtok/s
Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16UD-Q4_K_S33.0B21.47 GiB0.00 GiB22.31 GiB0.01 GiB23±12.9%
OpenAI-gpt-oss-20B-Claude-4.5-Opus-Heretic-UncensoredMoEI1-Q6_K20.9B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
gpt-oss-20b-uncensoredMoEI1-Q6_K20.9B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
gpt-oss-safeguard-20bMoEI1-Q6_K21.5B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
gpt-oss-20b-hereticMoEQ6_K20.9B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
gpt-oss-20b-DerestrictedMoEQ6_K20.9B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
Huihui-gpt-oss-20b-BF16-abliterated-v2MoEI1-Q6_K20.9B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
metatune-gpt20b-R1.09MoEI1-Q6_K21.5B20.67 GiB0.85 GiB22.31 GiB0.01 GiB60±37%
Nous-Hermes-2-Yi-34BI1-IQ3_XXS34.4B12.98 GiB8.44 GiB22.30 GiB0.02 GiB23±12.9%
ALIA-40b-fc-2606I1-Q2_K40.4B14.63 GiB6.75 GiB22.30 GiB0.02 GiB23±12.9%
ALIA-40b-instruct-2606I1-Q2_K40.4B14.63 GiB6.75 GiB22.30 GiB0.02 GiB23±12.9%
SambaLingo-Japanese-ChatI1-Q3_K_L6.9B3.47 GiB18.00 GiB22.30 GiB0.02 GiB23±12.9%
deepseek-math-7b-instructQ5_K_M6.9B4.59 GiB16.88 GiB22.29 GiB0.03 GiB23±12.9%
deepseek-llm-7b-chatQ5_K_M6.9B4.59 GiB16.88 GiB22.29 GiB0.03 GiB23±12.9%
Janus-Pro-7BI1-Q5_K_M7.4B4.59 GiB16.88 GiB22.29 GiB0.03 GiB23±12.9%
deepseek-coder-7b-instruct-v1.5I1-Q5_K_M6.9B4.59 GiB16.88 GiB22.29 GiB0.03 GiB23±12.9%
gemma-2-27b-itQ4_K_S27.2B14.66 GiB6.70 GiB22.29 GiB0.03 GiB23±12.9%
magnum-v4-27bQ4_K_S27.2B14.66 GiB6.70 GiB22.29 GiB0.03 GiB23±12.9%
Huihui-Qwen3-Coder-Next-abliteratedMoEIQ2_S79.7B20.65 GiB0.84 GiB22.29 GiB0.03 GiB105±37%
Le-Chaton-Slim-23BMoEI1-Q6_K23.3B17.81 GiB3.66 GiB22.28 GiB0.04 GiB34±37%
Qwen3.5-35B-A3BMoEQ4_K_M36.0B20.75 GiB0.70 GiB22.26 GiB0.06 GiB102±37%
Qwen3.6-35B-A3BMoEQ4_K_M36.0B20.75 GiB0.70 GiB22.26 GiB0.06 GiB102±37%
GLM-4.7-Flash-hereticMoEQ5_K_S29.9B19.59 GiB1.86 GiB22.26 GiB0.06 GiB64±37%
granite-4.0-h-smallMoEQ5_K_S32.2B20.90 GiB0.56 GiB22.25 GiB0.07 GiB59±37%
Olmo-3.1-32B-InstructQ4_132.2B18.86 GiB2.49 GiB22.25 GiB0.07 GiB23±12.9%
Olmo-3.1-32B-ThinkQ4_132.2B18.86 GiB2.49 GiB22.25 GiB0.07 GiB23±12.9%
Olmo-3-32B-ThinkQ4_132.2B18.86 GiB2.49 GiB22.25 GiB0.07 GiB23±12.9%
North-Mini-Code-1.0MoEQ5_K_L30.5B20.47 GiB1.00 GiB22.25 GiB0.07 GiB77±37%
Gemma-3-27B-MeditronFOI1-Q5_K_S28.8B18.38 GiB2.98 GiB22.24 GiB0.08 GiB23±12.9%
OLMo-2-1124-7B-InstructQ3_K_M7.3B3.40 GiB18.00 GiB22.23 GiB0.09 GiB23±12.9%
Gemma-4-Novelist-Eclipse-31BQ3_K_M32.7B15.39 GiB5.95 GiB22.22 GiB0.10 GiB23±12.9%
Gemma-4-31B-StyleTuneQ3_K_M32.7B15.39 GiB5.95 GiB22.22 GiB0.10 GiB23±12.9%
Salience-1.5-ProMoEQ4_K_L36.0B20.71 GiB0.70 GiB22.22 GiB0.10 GiB102±37%
Qwable-v1MoEQ4_K_L36.0B20.71 GiB0.70 GiB22.22 GiB0.10 GiB102±37%
T-SearchMoEQ4_K_L36.0B20.71 GiB0.70 GiB22.22 GiB0.10 GiB102±37%
Swallow-7b-NVE-instruct-hfIQ4_XS6.7B3.40 GiB18.00 GiB22.22 GiB0.10 GiB23±12.9%
MN-GRAND-23.5B-Gutenberg-UNCENSORED-V2-GLM4.7-ThinkingI1-IQ3_M23.4B9.98 GiB11.39 GiB22.22 GiB0.10 GiB23±12.9%
DeepCoder-14B-PreviewQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
SuperNova-MediusQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-14B-Instruct-abliterated-v2Q8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-14B-Instruct-UncensoredQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-Coder-14B-Instruct-abliteratedQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-14B-Instruct-1M-abliteratedQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Ektome-Qwen2.5-Coder-14B-Instruct-PristinelyUncensoredQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
OpenCodeReasoning-Nemotron-14BQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-14B-InstructQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
0x-liteQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
14B-Qwen2.5-Kunou-v1Q8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-14B-InstructQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
FinetunedQwen14BQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-14B-Instruct-1MQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
DeepSeek-R1-Distill-Qwen-14B-abliterated-v2Q8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
C1-TachuQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Qwen2.5-Coder-14BQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
DeepSeek-R1-Distill-Qwen-14B-abliteratedQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Tessera-4Q8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Tessera-4.1Q8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
DeepSeek-R1-Distill-Qwen-14BQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
AceReason-Nemotron-14BQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
Sugoi-14B-Ultra-HFQ8_014.8B14.62 GiB6.75 GiB22.22 GiB0.10 GiB23±12.9%
From the filePredictedwhat these mean

Speed is modeled, not measured: decode is memory-bandwidth bound, so tokens per second is bytes read per token against achievable bandwidth. Mixture-of-experts models carry a wider band because only the routed experts are read each step, and few have been measured publicly.

Measured on this card

third-party benchmarks, aggregated
WorkloadMedianMiddle 50%Runs
Image generation11.06 it/s7.5914.1517
Benchmarked· n=17

Aggregated from community-submitted runs, so the spread is wide by nature — it covers different models, resolutions, step counts and settings, not one controlled configuration. Read the middle 50% rather than the median alone. These figures are reproduced with attribution from vladmandic-sd-data-benchmark, which publishes no licence — so we display and link rather than redistribute them.

Questions people ask

What AI models can a Titan RTX run?
1870 of 2118 indexed open-weight models fit a Titan RTX at 131,072 context with q4_0 KV cache, the largest being Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16 at UD-Q4_K_S. That covers text, vision-language, image, video and speech models.
How much usable memory does a Titan RTX actually have?
Its nameplate is 24 GB, but about 22.32 GiB is available to a model once driver and compositor overhead is accounted for.
Is a Titan RTX fast for local AI?
Its memory bandwidth is 672 GB/s, and that figure — not teraflops — is what governs token generation speed. Capacity decides what you can run; bandwidth decides how fast it runs.