Gemma 4 E4B

At the default Q4_K_M, 105 of 140 phones have enough estimated usable memory; 91 also reach 3+ tokens/s. On Mac, 52 of 54 exact configurations pass using that quant or a smaller tracked fallback.

Params
4B
Family
gemma
Released
2026-03
Tags
chat · vision

Downloads & memory by quant

The download is only the weights — add KV cache and runtime to get what your phone actually needs. “Memory-fit” only means it can load; “usable” also requires an estimated 3+ tokens/s. Each row uses that row's quant. ★ = recommended.

QuantDownloadMemory neededPhone reality
Q3_K_M4.1 GB~5.2 GB137 memory-fit · 104 usable
IQ4_XS4.7 GB~5.8 GB130 memory-fit · 97 usable
Q4_04.8 GB~5.9 GB130 memory-fit · 97 usable
Q4_K_S4.8 GB~5.9 GB130 memory-fit · 97 usable
Q4_K_M5 GB~6.1 GB105 memory-fit · 91 usable
Q5_K_M5.5 GB~6.7 GB105 memory-fit · 89 usable
Q6_K7.1 GB~8.3 GB102 memory-fit · 86 usable
Q8_08.2 GB~9.5 GB59 memory-fit · 59 usable

Gemma 4 E4B at Q4_K_M on 140 phones

This table is fixed to the recommended Q4_K_M, on each phone's largest RAM option. Counts for smaller quants above will differ. All phones are shown, sorted by fit and estimated experience; tap one for the full report.

PhoneChip · RAMNeedsSpeedVerdict

~ = bandwidth-based estimate · ✓ = measured on real hardware

Gemma 4 E4B on 54 Mac configurations

Each Mac uses the recommended Q4_K_M at 4K context when it fits, or the largest smaller tracked quant that fits. Each row links to the full report with a macOS-specific setup guide.

MacUnified memoryQuantWorking budgetNeedsEstimated speedVerdict

FAQ

How much RAM do I need to run Gemma 4 E4B on a phone?

At Q4_K_M, Gemma 4 E4B needs ~6.1GB of usable memory (weights + KV cache + runtime). In practice that means a 12GB+ Android phone or a 12GB+ iPhone — iOS lets a single app use less of its RAM than Android does.

How fast does Gemma 4 E4B run on a flagship phone?

On the OPPO Find X8 Pro (Dimensity 9400) it runs at ~7.7 tokens/s at Q4_K_M, estimated from memory bandwidth. Anything above ~8 tokens/s feels smooth for chat.

Can an iPhone run Gemma 4 E4B?

Yes — the iPhone Air runs it at ~6.9 tokens/s at Q4_K_M, using 6.1GB of its ~7.8GB usable memory.

What is the best quantization of Gemma 4 E4B for mobile?

Q4_K_M (5GB download) is the size/quality sweet spot of the 8 quants available. Total memory needed is ~6.1GB once the KV cache and runtime are counted — the download size alone understates it.

How many phones can run Gemma 4 E4B?

105 of the 140 phones we track have enough estimated usable memory at Q4_K_M; 91 also reach our usable-speed threshold of 3 tokens/s, and 0 run smoothly. Memory-fit alone does not mean a good experience.

Which Macs can run Gemma 4 E4B?

52 of the 54 exact Mac configurations we track have enough estimated working memory. Each Mac uses the recommended Q4_K_M when it fits, or the largest smaller tracked quant that fits, and separates installed unified memory, the macOS reserve, and estimated speed.

What is Gemma 4 E4B good for on a phone?

It's tagged for chat, vision. At 4B parameters, it's a fast, lightweight pick for quick tasks.

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