GPUs / NVIDIA

GTX 1070

Memory
GDDR5
Bus
256-bit
Published peak
256 GB/s
Capacity
8 GB

Measured

Read
216.5GB/s
Write
206.2GB/s
Copy
198.6GB/s
Random
19.1GB/s
Latency
254ns
Sustain
200.5GB/s

Medians of 4 verified runs from 1 operator. Read reaches 85 % of the published peak.

63.44 verified runs, median 63.664.1

Local AI speed

ModelParameters4-bit, tokens/s8-bit, tokens/s
Llama 3.1 8B8.03B≤ 54Does not fit
Qwen 2.5 14B14.7B≤ 29Does not fit
gpt-oss-20b21B, 3.6B activeDoes not fitDoes not fit
Mistral Small 24B24BDoes not fitDoes 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 8 GB configuration; the KV cache needs room on top.

Top operators

#OperatorScoreReadDate
1OP-CC5EA764.1216.6 GB/s2026-09-27

Full GTX 1070 leaderboard