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HBM
WebGPUEnterprise

GPUs / Intel

UHD Graphics

Memory
DDR4 / DDR5
Bus
128-bit
Published peak
51.2 to 102.4 GB/s
Capacity
from 8 GB

Measured

Read
32.3GB/s
Write
12.7GB/s
Copy
22.3GB/s
Random
1.28GB/s
Latency
643ns
Sustain
22.2GB/s

Medians of 5 verified runs from 3 operators.

0.05 verified runs, median 15.824.5

Local AI speed

ModelParameters4-bit, tokens/s8-bit, tokens/s
Llama 3.1 8B8.03B≤ 8.0Does not fit
Qwen 2.5 14B14.7B≤ 4.4Does 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 smallest 8 GB configuration; the KV cache needs room on top.

Top operators

#OperatorScoreReadDate
1OP-52C94B24.540.3 GB/s2026-09-27
2OP-8C96124.913.6 GB/s2026-09-27
3OP-AD3DC60.05.80 GB/s2026-09-27

Full UHD Graphics leaderboard

Test your GPU