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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Not Rec.

Jul 5, 2026 · AMD Ryzen 7 7800X3D 8-Core Processor

nemotron-3-nano:latest

OLLAMA GGUF

nemotron_h_moe · 31.6B · Q4_K_M

Excellent

Mar 13, 2026 · AMD RYZEN AI MAX+ 395

Global Score
84 vs 87
Hardware Fit
65 vs 100
Quality Score
92 vs 82

Hardware

openai/gpt-oss-20b nemotron-3-nano:la…
MachineASUSAZW GTR Pro
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorAMD RYZEN AI MAX+ 395
Cores1632
RAM31 GB125 GB
GPUNVIDIA GeForce RTX 4090, RaphaelRadeon 8060S
OScachyos rollingUbuntu 24.04.4 LTS
Archx64x64
Power Modeperformanceperformance

Performance

openai/gpt-oss-20b nemotron-3-nano:la…
Tokens/sec221.559.9
First chunk5 ms199 ms
TTFT30.0 s199 ms
Load timeN/A0.1 s
Memory usage21.1 GB26.0 GB
Memory %69%21%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
15/30

nemotron-3-nano:latest

Speed
50/50
TTFT
20/20
Memory
30/30

Quality

openai/gpt-oss-20b

Reasoning
19/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

nemotron-3-nano:latest

Reasoning
16/20
Coding
18/20
Instruction
16/20
Structured
15/15
Math
7/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Weak Multilingual: Strong
View openai/gpt-oss-20b details | View nemotron-3-nano:la… details

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