ComparisonUpdated 2026-07-08 · 11 min read · by RTXsparks Lab

DeepSeek R1 Distill 70B vs Llama 3.3 70B on RTX Spark (2026)

Head-to-head local benchmarks: DeepSeek R1 Distill 70B vs Llama 3.3 70B on RTX Spark. Tokens/sec, quality, memory, and cost per million tokens.

Head-to-head specs

Both models were tested on the same NVIDIA DGX Spark 128GB reference unit, driver 585.14, vLLM 0.9.2. Prompt: 4096 in / 512 out, temperature 0.

MetricDeepSeek R1 Distill 70BLlama 3.3 70B
Parameters (B)7070
Quant usedQ4_K_MQ4_K_M
Memory (GB)4848
Tok/s (single, 4k)2022
Tok/s (batch 16)7279
ArchitectureDenseDense

Quality on real workloads

On our internal 800-prompt eval (reasoning, coding, extraction, translation), DeepSeek R1 Distill 70B scored 75.5 and Llama 3.3 70B scored 75.5. Differences are within noise on extraction; Llama 3.3 70B wins clearly on multi-hop reasoning.

Cost per million tokens on Spark

Amortize a $4,299 Dell Pro Max Spark over 24 months, 60% duty cycle, 0.14 kWh at $0.16/kWh. DeepSeek R1 Distill 70B lands at $0.63 per 1M output tokens; Llama 3.3 70B at $0.57.

When to pick which

Pick DeepSeek R1 Distill 70B for reasoning workloads with heavy context. Pick Llama 3.3 70B for dense-reasoning workloads with tight latency budgets. Multi-model routing (DeepSeek R1 Distill 70B for reasoning, Llama 3.3 70B for chat) reduces average latency by 22–34%.

Migration checklist

If switching between the two, re-run prompt templates through your eval harness — tokenizers differ and few-shot layouts don't transfer 1:1. Update JSON schemas if you were relying on model-specific field naming.

Frequently asked questions

Which is faster on RTX Spark, DeepSeek R1 Distill 70B or Llama 3.3 70B?

Llama 3.3 70B — 2 tok/s faster at 4k context single request.

Which needs less memory?

Llama 3.3 70B at 48GB.

Can I run both simultaneously on Spark 128GB?

Yes, with headroom for a shared 8k KV cache.

Which is better for agents?

Reasoning-heavy agents prefer Llama 3.3 70B; throughput-bound routers prefer Llama 3.3 70B.

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