llmrun

Qwen3 30B A3B Instruct 2507 vs Qwen3.8 27B

Qwen3.8 27B leads llmrun Score 121.5 to 96.5; both fit 24 GB at Q4_K_M; Qwen3 30B A3B Instruct 2507 is 4.6× faster on RTX 4090 (~173 vs ~38 tok/s).

30.5B · 3.4B active · 256K context · Apache 2.0 · Jul 2025

ChatFunctions

27.8B · 256K context · Apache 2.0 · Aug 2026

VisionFunctions

Which should you choose?

Choose Qwen3 30B A3B Instruct 2507 if you want…

  • 4.6× faster on RTX 4090

    ~173 vs ~38 tok/s

  • Also does chat

    Qwen3.8 27B doesn't list it

Choose Qwen3.8 27B if you want…

  • Higher llmrun Score

    121.5 vs 96.5

  • Stronger at reasoning

    124.1 vs 91.9

  • Ahead on the benchmarks

    3 of 3 shared boards

  • Fits a 12 GB GPU

    IQ3_XXS · 12 GB; Qwen3 30B A3B Instruct 2507 needs 9.5 GB at its smallest quant

  • Also does vision

    Qwen3 30B A3B Instruct 2507 doesn't list it

  • Newer release

    Aug 2026 vs Jul 2025

On your hardware

Each model at its default quant (Q4_K_M), a smaller one when it must. Estimates, ±20%.

8 GB

RTX 4060 · 8 GB tier

Qwen3 30B A3B Instruct 2507

Doesn't fit

smallest quant needs 9.5 GB

Qwen3.8 27B

Doesn't fit

smallest quant needs 8.8 GB

12 GB

RTX 3060 12GB · 12 GB tier

Qwen3 30B A3B Instruct 2507

IQ2_M · ~130 tok/s

11.4 GB · up to 16K

Qwen3.8 27B

IQ3_XXS · ~20 tok/s

12 GB · up to 16Kbetter quant

16 GB

RTX 5060 Ti 16GB · 16 GB tier

Qwen3 30B A3B Instruct 2507

Q3_K_M · ~119 tok/s

16 GB · up to 16K

Qwen3.8 27B

Q3_K_L · ~19 tok/s

15.4 GB · up to 16K

24 GBreference

RTX 4090 · 24 GB tier

Qwen3 30B A3B Instruct 2507

Q4_K_M · ~173 tok/s

19.4 GB · up to 64Kfaster

Qwen3.8 27B

Q4_K_M · ~38 tok/s

17.9 GB · up to 64K

32 GB

RTX 5090 · 32 GB tier

Qwen3 30B A3B Instruct 2507

Q4_K_M · ~227 tok/s

19.4 GB · up to 256Kfaster

Qwen3.8 27B

Q4_K_M · ~67 tok/s

17.9 GB · up to 256K

48 GB

RTX A6000 · 48 GB tier

Qwen3 30B A3B Instruct 2507

Q4_K_M · ~148 tok/s

19.4 GB · up to 256Kfaster

Qwen3.8 27B

Q4_K_M · ~29 tok/s

17.9 GB · up to 256K

Mac 32 GB

Mac Mini M4 · Macs

Qwen3 30B A3B Instruct 2507

Q4_K_M · ~29 tok/s

19.4 GB · up to 128Kfaster

Qwen3.8 27B

Q4_K_M · ~5 tok/s

17.9 GB · up to 128K

Mac 64 GB

Mac Studio M4 Max · Macs

Qwen3 30B A3B Instruct 2507

Q4_K_M · ~67 tok/s

19.4 GB · up to 256Kfaster

Qwen3.8 27B

Q4_K_M · ~22 tok/s

17.9 GB · up to 256K

Mac 128 GB

Mac Studio M4 Max · Macs

Qwen3 30B A3B Instruct 2507

Q4_K_M · ~67 tok/s

19.4 GB · up to 256Kfaster

Qwen3.8 27B

Q4_K_M · ~22 tok/s

17.9 GB · up to 256K

Reference GPU: RTX 4090. Tinted cell = the better pick on that machine (fits, more headroom, or at least 10% faster).

llmrun Score

with its 90% range · bars share one scale

Overall

Qwen3 30B A3B Instruct 2507

96.593–100

Qwen3.8 27B

121.5119–124

Coding

Qwen3 30B A3B Instruct 2507

no data

Qwen3.8 27B

112.1105–119

Math

Qwen3 30B A3B Instruct 2507

no data

Qwen3.8 27B

117.5111–125

Science

Qwen3 30B A3B Instruct 2507

no data

Qwen3.8 27B

112.093–131

Reasoning

Qwen3 30B A3B Instruct 2507

91.984–100

Qwen3.8 27B

124.1121–127

Qwen3 30B A3B Instruct 2507 · #56 of 92 open models · #14 of 34 that fit 24 GB

Qwen3.8 27B · #10 of 92 open models · #1 of 34 that fit 24 GB

Benchmarks

3 shared boards: Qwen3 30B A3B Instruct 2507 leads 0, Qwen3.8 27B leads 3 · Benchmarks imported Oct 2026

Qwen3 30B A3B Instruct 2507

1382.4#59/186 open

ArenaLMArena · Oct 2026

Qwen3.8 27B

1438.1#22/186 open

ArenaLMArena · Oct 2026

Qwen3 30B A3B Instruct 2507

67.2%#36/68 open

Lab-reportedEpoch AI · Jul 2025

Qwen3.8 27B

88.0%#9/68 open

Lab-reportedEpoch AI · Aug 2026

Qwen3 30B A3B Instruct 2507

22.4%#31/54 open

Lab-reportedEpoch AI · Jul 2025

Qwen3.8 27B

41.4%#7/54 open

Lab-reportedEpoch AI · Aug 2026

14 more boards (other shared and single-model boards)

Only Qwen3 30B A3B Instruct 2507 (3)

VRAM by quantization

Memory to load the model and 2K context; below it, the total at 32K and 128K context. Lighter side in bold.

Q2_K

Qwen3 30B A3B Instruct 2507

13.4 GB11.3 GB file

32K 14.9 GB · 128K 19.7 GB

Qwen3.8 27B

12.6 GB10.8 GB file

32K 13.9 GB · 128K 19.3 GB

Q3_K_S

Qwen3 30B A3B Instruct 2507

13.8 GB13.3 GB file

32K 15.3 GB · 128K 20.1 GB

Qwen3.8 27B

12.9 GB12.7 GB file

32K 14.2 GB · 128K 19.6 GB

Q3_K_M

Qwen3 30B A3B Instruct 2507

15.3 GB14.7 GB file

32K 16.8 GB · 128K 21.6 GB

Qwen3.8 27B

14.3 GB13.4 GB file

32K 15.6 GB · 128K 21.0 GB

Q4_0

Qwen3 30B A3B Instruct 2507

15.7 GB17.4 GB file

32K 17.2 GB · 128K 22.0 GB

Qwen3.8 27B

14.6 GB~13.9 GB file

32K 16.0 GB · 128K 21.4 GB

Q4_K_M

Qwen3 30B A3B Instruct 2507

18.7 GB18.6 GB file

32K 20.2 GB · 128K 25.1 GB

Qwen3.8 27B

17.4 GB16.5 GB file

32K 18.8 GB · 128K 24.1 GB

Q5_K_M

Qwen3 30B A3B Instruct 2507

22.2 GB21.7 GB file

32K 23.7 GB · 128K 28.5 GB

Qwen3.8 27B

20.5 GB19.8 GB file

32K 21.9 GB · 128K 27.3 GB

Q6_K

Qwen3 30B A3B Instruct 2507

25.6 GB25.1 GB file

32K 27.1 GB · 128K 31.9 GB

Qwen3.8 27B

23.7 GB22.0 GB file

32K 25.0 GB · 128K 30.4 GB

Q8_0

Qwen3 30B A3B Instruct 2507

30.9 GB32.5 GB file

32K 32.4 GB · 128K 37.3 GB

Qwen3.8 27B

28.5 GB29.0 GB file

32K 29.9 GB · 128K 35.2 GB

19 more quants

IQ2_XXS

Qwen3 30B A3B Instruct 2507

8.8 GB10.3 GB file

32K 10.3 GB · 128K 15.1 GB

Qwen3.8 27B

8.4 GB7.3 GB file

32K 9.7 GB · 128K 15.1 GB

IQ2_XS

Qwen3 30B A3B Instruct 2507

9.6 GB8.7 GB file

32K 11.1 GB · 128K 15.9 GB

Qwen3.8 27B

9.1 GB9.1 GB file

32K 10.4 GB · 128K 15.8 GB

IQ2_S

Qwen3 30B A3B Instruct 2507

9.9 GB8.7 GB file

32K 11.5 GB · 128K 16.3 GB

Qwen3.8 27B

9.4 GB8.4 GB file

32K 10.8 GB · 128K 16.1 GB

IQ2_M

Qwen3 30B A3B Instruct 2507

10.7 GB10.8 GB file

32K 12.2 GB · 128K 17.1 GB

Qwen3.8 27B

10.1 GB10.5 GB file

32K 11.5 GB · 128K 16.8 GB

IQ3_XXS

Qwen3 30B A3B Instruct 2507

12.2 GB12.9 GB file

32K 13.7 GB · 128K 18.6 GB

Qwen3.8 27B

11.5 GB10.9 GB file

32K 12.9 GB · 128K 18.2 GB

Q2_K_S

Qwen3 30B A3B Instruct 2507

12.6 GB10.5 GB file

32K 14.1 GB · 128K 19.0 GB

Qwen3.8 27B

not listed

IQ3_XS

Qwen3 30B A3B Instruct 2507

13.0 GB12.7 GB file

32K 14.5 GB · 128K 19.3 GB

Qwen3.8 27B

12.2 GB10.4 GB file

32K 13.6 GB · 128K 18.9 GB

IQ3_S

Qwen3 30B A3B Instruct 2507

13.4 GB10.3 GB file

32K 14.9 GB · 128K 19.7 GB

Qwen3.8 27B

12.6 GB12.0 GB file

32K 13.9 GB · 128K 19.3 GB

IQ3_M

Qwen3 30B A3B Instruct 2507

14.1 GB14.1 GB file

32K 15.7 GB · 128K 20.5 GB

Qwen3.8 27B

13.3 GB14.9 GB file

32K 14.6 GB · 128K 20.0 GB

Q3_K_L

Qwen3 30B A3B Instruct 2507

16.1 GB15.9 GB file

32K 17.6 GB · 128K 22.4 GB

Qwen3.8 27B

15.0 GB14.1 GB file

32K 16.3 GB · 128K 21.7 GB

IQ4_XS

Qwen3 30B A3B Instruct 2507

16.8 GB16.4 GB file

32K 18.3 GB · 128K 23.2 GB

Qwen3.8 27B

15.7 GB14.3 GB file

32K 17.0 GB · 128K 22.4 GB

IQ4_NL

Qwen3 30B A3B Instruct 2507

17.6 GB17.3 GB file

32K 19.1 GB · 128K 23.9 GB

Qwen3.8 27B

16.4 GB17.4 GB file

32K 17.7 GB · 128K 23.1 GB

Q4_1

Qwen3 30B A3B Instruct 2507

17.6 GB19.2 GB file

32K 19.1 GB · 128K 23.9 GB

Qwen3.8 27B

16.4 GB17.5 GB file

32K 17.7 GB · 128K 23.1 GB

Q4_K_S

Qwen3 30B A3B Instruct 2507

17.6 GB17.5 GB file

32K 19.1 GB · 128K 23.9 GB

Qwen3.8 27B

16.4 GB15.4 GB file

32K 17.7 GB · 128K 23.1 GB

Q4_K_L

Qwen3 30B A3B Instruct 2507

19.1 GB18.9 GB file

32K 20.6 GB · 128K 25.4 GB

Qwen3.8 27B

17.8 GB18.8 GB file

32K 19.1 GB · 128K 24.5 GB

Q5_0

Qwen3 30B A3B Instruct 2507

19.5 GB21.1 GB file

32K 21.0 GB · 128K 25.8 GB

Qwen3.8 27B

not listed

Q5_K_S

Qwen3 30B A3B Instruct 2507

21.4 GB21.1 GB file

32K 22.9 GB · 128K 27.7 GB

Qwen3.8 27B

19.9 GB18.7 GB file

32K 21.2 GB · 128K 26.6 GB

Q5_K_L

Qwen3 30B A3B Instruct 2507

22.5 GB21.9 GB file

32K 24.1 GB · 128K 28.9 GB

Qwen3.8 27B

20.9 GB21.5 GB file

32K 22.2 GB · 128K 27.6 GB

BF16

Qwen3 30B A3B Instruct 2507

61.5 GB61.1 GB file

32K 63.0 GB · 128K 67.8 GB

Qwen3.8 27B

56.3 GB54.7 GB file

32K 57.7 GB · 128K 63.0 GB

How to run each

Specifications

Specifications of Qwen3 30B A3B Instruct 2507 and Qwen3.8 27B
SpecQwen3 30B A3B Instruct 2507Qwen3.8 27B
PublisherAlibabaAlibaba
Parameters30.5B27.8B
Active parameters3.4B per token—
ArchitectureQwen3MoeForCausalLMQwen3_5ForConditionalGeneration
Context256K tokens256K tokens
ModalitiesChat, Function-callingVision, Function-calling
LicenseApache 2.0Apache 2.0
ReleasedJul 2025Aug 2026

Frequently Asked Questions

Which is better, Qwen3 30B A3B Instruct 2507 or Qwen3.8 27B?

Qwen3.8 27B leads llmrun Score 121.5 to 96.5; both fit 24 GB at Q4_K_M; Qwen3 30B A3B Instruct 2507 is 4.6× faster on RTX 4090 (~173 vs ~38 tok/s). Choose Qwen3 30B A3B Instruct 2507 for 4.6× faster on RTX 4090 and also does chat; choose Qwen3.8 27B for higher llmrun Score and stronger at reasoning.

Which needs less VRAM, Qwen3 30B A3B Instruct 2507 or Qwen3.8 27B?

At Q4_K_M, Qwen3 30B A3B Instruct 2507 requires 18.7 GB while Qwen3.8 27B needs 17.4 GB, making Qwen3.8 27B the easier model to run on your local setup.

Which is faster on RTX 4090?

Estimated decode speed on RTX 4090 is about 173 tok/s for Qwen3 30B A3B Instruct 2507 (Q4_K_M) and 38 tok/s for Qwen3.8 27B (Q4_K_M), so Qwen3 30B A3B Instruct 2507 is faster. Estimates, ±20%.

Can I run Qwen3 30B A3B Instruct 2507 or Qwen3.8 27B on a 16 GB GPU?

Qwen3 30B A3B Instruct 2507 fits at Q3_K_M; Qwen3.8 27B fits at Q3_K_L.

Which has a longer context window, Qwen3 30B A3B Instruct 2507 or Qwen3.8 27B?

Qwen3 30B A3B Instruct 2507 supports 262,144 tokens and Qwen3.8 27B supports 262,144 tokens.

Qwen3 30B A3B Instruct 2507 vs Qwen3.8 27B — VRAM & GPU Comparison | llmrun