MODEL ARCHITECTURE SPEC โ€ข DEEPSEEK32.8B Dense

DeepSeek-R1 Distill Qwen 32B VRAM & inference speed

32.8B Total ParamsDense Architecture64 Layers โ€ข 8 KV Heads32K Default Ctx (Max 128K)Ollama: deepseek-r1:32b

Accurate memory requirements, KV cache footprint, and tokens/sec generation benchmarks for running DeepSeek-R1 Distill Qwen 32B across local GPUs, Apple Silicon Macs, and cloud instances.

โœ… Runs 100% in GPU VRAM (Optimal Headroom)25.41 GB (47%)~8 t/s

Model & Target Hardware

interactive
Local Step-by-Step Math, Logic & Code Verification
DeepSeek-R1 Distill Qwen 32B on Apple Mac Mini M4 Pro (64GB Unified Memory)

โœ“ Fits Comfortably in VRAM

โœ“ FITS IN VRAM
Required VRAM
25.41 GB
47% of hardware capacity (54 GB)
Est. Decode Speed
~8 tok/s
Dense model @ 273 GB/s
Available Headroom
+28.59 GB
Safe for OS display & full context
Memory Allocation & Headroom
25.41 GB allocated of 54 GB capacity
47% utilized
Weights: 19.68 GB
KV: (32K): 4.29 GB
Overhead: 1.44 GB
Free Headroom: +28.59 GB
โšก Architecture & Throughput Transparency: Single-user decode speed (~8 tok/s) is memory-bandwidth bound at batch size = 1 on Apple Mac Mini M4 Pro (64GB Unified Memory) (273 GB/s). Prompt prefill / TTFT (~116 tok/s) is compute-bound and utilizes GPU Tensor cores. Actual latency varies with FlashAttention-2 and runtime engine (Ollama/vLLM/llama.cpp).
OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run deepseek-r1:32b

Quantization Precision Matrix

32K ctx โ€ข KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw65.6 GB4.29 GB72.94 GB (135%)0 t/sOOM
Q8_08.5 bpw34.77 GB4.29 GB41.03 GB (76%)~5 t/sFITS
Q6_K6.56 bpw26.9 GB4.29 GB32.88 GB (61%)~6 t/sFITS
Q5_K_M5.68 bpw23.29 GB4.29 GB29.15 GB (54%)~7 t/sFITS
Q4_K_M4.8 bpw19.68 GB4.29 GB25.41 GB (47%)~8 t/sFITS
FP44.25 bpw17.38 GB4.29 GB23.03 GB (43%)~9 t/sFITS
IQ3_XS3.3 bpw13.45 GB4.29 GB18.96 GB (35%)~12 t/sFITS

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Hardware Compatibility Matrix for DeepSeek-R1 Distill Qwen 32B

Standard Q4_K_M precision with 32K context window and Q8_0 KV cache

12 Systems Benchmarked
Hardware SystemVRAM EnvelopeRequired VRAMHeadroomEst. Decode SpeedCompatibilityTest Fit
NVIDIA GeForce RTX 5090 (32GB GDDR7)
Consumer GPU โ€ข 1792 GB/s
32 GB25.41 GB+6.59 GB~59 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 4090 (24GB GDDR6X)
Consumer GPU โ€ข 1008 GB/s
24 GB25.41 GB-1.41 GB~7 tok/sโšก PARTIALTest Fit โ†’
2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)
Multi-GPU Rig โ€ข 936 GB/s
48 GB25.41 GB+22.59 GB~28 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 5080 (16GB GDDR7)
Consumer GPU โ€ข 960 GB/s
16 GB25.41 GB-9.41 GB0 (OOM)โœ• OOMTest Fit โ†’
NVIDIA RTX 4070 Ti Super (16GB)
Consumer GPU โ€ข 672 GB/s
16 GB25.41 GB-9.41 GB0 (OOM)โœ• OOMTest Fit โ†’
NVIDIA GeForce RTX 3060 (12GB)
Consumer GPU โ€ข 360 GB/s
12 GB25.41 GB-13.41 GB0 (OOM)โœ• OOMTest Fit โ†’
Apple Mac Mini M4 Pro (64GB Unified Memory)
Apple Silicon โ€ข 273 GB/s
54 GB25.41 GB+28.59 GB~8 tok/sโœ“ FITSTest Fit โ†’
Apple Mac Studio M4 Max (128GB Unified Memory)
Apple Silicon โ€ข 546 GB/s
112 GB25.41 GB+86.59 GB~17 tok/sโœ“ FITSTest Fit โ†’
Apple Mac Studio M5 Ultra (256GB Unified Memory)
Apple Silicon โ€ข 890 GB/s
236 GB25.41 GB+210.59 GB~28 tok/sโœ“ FITSTest Fit โ†’
AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB)
Unified APU / Mini-PC โ€ข 256 GB/s
110 GB25.41 GB+84.59 GB~7 tok/sโœ“ FITSTest Fit โ†’
NVIDIA DGX Spark (128GB Grace-Blackwell Unified)
AI Appliance โ€ข 273 GB/s
118 GB25.41 GB+92.59 GB~9 tok/sโœ“ FITSTest Fit โ†’
NVIDIA H100 SXM (80GB HBM3 Cloud GPU)
Datacenter Cloud GPU โ€ข 3350 GB/s
80 GB25.41 GB+54.59 GB~117 tok/sโœ“ FITSTest Fit โ†’