MODEL ARCHITECTURE SPEC โ€ข DEEPSEEK14.8B Dense

DeepSeek-R1 Distill Qwen 14B VRAM & inference speed

14.8B Total ParamsDense Architecture48 Layers โ€ข 8 KV Heads16K Default Ctx (Max 128K)Ollama: deepseek-r1:14b

Accurate memory requirements, KV cache footprint, and tokens/sec generation benchmarks for running DeepSeek-R1 Distill Qwen 14B across local GPUs, Apple Silicon Macs, and cloud instances.

โœ… Runs 100% in GPU VRAM (Optimal Headroom)13.16 GB (82%)~46 t/s

Model & Target Hardware

interactive
Mainstream 12GBโ€“16GB Gaming GPUs Reasoning Assistant
DeepSeek-R1 Distill Qwen 14B on NVIDIA RTX 4070 Ti Super (16GB)

โœ“ Fits Comfortably in VRAM

โœ“ FITS IN VRAM
Required VRAM
13.16 GB
82% of hardware capacity (16 GB)
Est. Decode Speed
~46 tok/s
Dense model @ 672 GB/s
Available Headroom
+2.84 GB
Safe for OS display & full context
Memory Allocation & Headroom
13.16 GB allocated of 16 GB capacity
82% utilized
Weights: 8.88 GB
KV: (32K): 3.22 GB
Overhead: 1.06 GB
Free Headroom: +2.84 GB
โšก Architecture & Throughput Transparency: Single-user decode speed (~46 tok/s) is memory-bandwidth bound at batch size = 1 on NVIDIA RTX 4070 Ti Super (16GB) (672 GB/s). Prompt prefill / TTFT (~667 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-r1:14b

Quantization Precision Matrix

32K ctx โ€ข KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw29.6 GB3.22 GB34.61 GB (216%)0 t/sOOM
Q8_08.5 bpw15.69 GB3.22 GB20.21 GB (126%)~6 t/sPARTIAL
Q6_K6.56 bpw12.14 GB3.22 GB16.53 GB (103%)~8 t/sPARTIAL
Q5_K_M5.68 bpw10.51 GB3.22 GB14.85 GB (93%)~40 t/sFITS
Q4_K_M4.8 bpw8.88 GB3.22 GB13.16 GB (82%)~46 t/sFITS
FP44.25 bpw7.84 GB3.22 GB12.08 GB (76%)~52 t/sFITS
IQ3_XS3.3 bpw6.07 GB3.22 GB10.25 GB (64%)~65 t/sFITS

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Hardware Compatibility Matrix for DeepSeek-R1 Distill Qwen 14B

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 GB13.16 GB+18.84 GB~126 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 4090 (24GB GDDR6X)
Consumer GPU โ€ข 1008 GB/s
24 GB13.16 GB+10.84 GB~71 tok/sโœ“ FITSTest Fit โ†’
2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)
Multi-GPU Rig โ€ข 936 GB/s
48 GB13.16 GB+34.84 GB~60 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 5080 (16GB GDDR7)
Consumer GPU โ€ข 960 GB/s
16 GB13.16 GB+2.84 GB~67 tok/sโœ“ FITSTest Fit โ†’
NVIDIA RTX 4070 Ti Super (16GB)
Consumer GPU โ€ข 672 GB/s
16 GB13.16 GB+2.84 GB~46 tok/sโœ“ FITSTest Fit โ†’
NVIDIA GeForce RTX 3060 (12GB)
Consumer GPU โ€ข 360 GB/s
12 GB13.16 GB-1.16 GB~5 tok/sโšก PARTIALTest Fit โ†’
Apple Mac Mini M4 Pro (64GB Unified Memory)
Apple Silicon โ€ข 273 GB/s
54 GB13.16 GB+40.84 GB~18 tok/sโœ“ FITSTest Fit โ†’
Apple Mac Studio M4 Max (128GB Unified Memory)
Apple Silicon โ€ข 546 GB/s
112 GB13.16 GB+98.84 GB~36 tok/sโœ“ FITSTest Fit โ†’
Apple Mac Studio M5 Ultra (256GB Unified Memory)
Apple Silicon โ€ข 890 GB/s
236 GB13.16 GB+222.84 GB~59 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 GB13.16 GB+96.84 GB~15 tok/sโœ“ FITSTest Fit โ†’
NVIDIA DGX Spark (128GB Grace-Blackwell Unified)
AI Appliance โ€ข 273 GB/s
118 GB13.16 GB+104.84 GB~19 tok/sโœ“ FITSTest Fit โ†’
NVIDIA H100 SXM (80GB HBM3 Cloud GPU)
Datacenter Cloud GPU โ€ข 3350 GB/s
80 GB13.16 GB+66.84 GB~249 tok/sโœ“ FITSTest Fit โ†’