Unverified50% confidenceTradeoffExact time

长上下文场景下2×32G方案因KV Cache无需跨卡读取，稳定性优于4×16G方案

1

Sources

50%

Confidence

Medium-term (~90 days)

Relevance

7/22/2026

First Seen

Valid until: 10/20/2026(expired)

Sources

V100 GPU Showdown: 4×16G PCIe vs. 2×32G SXM — Which Gives You More Bang for Your Buck?

Related Claims

Unverified对于短文本任务且预算敏感者 4×16G 是可行选择，需稳定处理长上下文则 2×32G 大显存方案更值得优先考虑70% similar UnverifiedFor a model with L layers and hidden dimension d, the KV Cache footprint for a single token is 2×L×d×sizeof(float16) bytes.65% similar

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