GPUs / NVIDIA

RTX 4070 Ti SUPER

Memory
GDDR6X
Bus
256-bit
Published peak
672 GB/s
Capacity
16 GB

Measured

Read
547.6GB/s
Write
525.5GB/s
Copy
540.3GB/s
Random
83.8GB/s
Latency
231ns
Sustain
545.6GB/s

Medians of 2 verified runs from 1 operator. Read reaches 81 % of the published peak.

85.32 verified runs, median 85.485.4

Local AI speed

ModelParameters4-bit, tokens/s8-bit, tokens/s
Llama 3.1 8B8.03B≤ 136≤ 68
Qwen 2.5 14B14.7B≤ 75≤ 37
gpt-oss-20b21B, 3.6B active≤ 304Does not fit
Mistral Small 24B24B≤ 46Does not fit
Qwen 2.5 32B32.5BDoes not fitDoes not fit
Llama 3.3 70B70.6BDoes not fitDoes not fit
gpt-oss-120b117B, 5.1B activeDoes not fitDoes not fit
Upper bounds: median read ÷ bytes read per token. Mixture-of-experts models read only their active experts. Fit checks weights against the 16 GB configuration; the KV cache needs room on top.

Top operators

#OperatorScoreReadDate
1OP-B7354085.4535.2 GB/s2026-09-27

Full RTX 4070 Ti SUPER leaderboard