microsoft/Phi-3-medium-4k-instruct
14B params · est. 8.4 GB Q4
NVIDIA GeForce RTX 4090 24GB: likely fitNVIDIA GeForce RTX 3090 24GB: likely fit
Head-to-head
NVIDIA GeForce RTX 4090 24GB vs NVIDIA GeForce RTX 3090 24GB
Dedicated comparison page for two real hardware profiles. This is built from your benchmark database, trust metadata, and buyer flow instead of generic spec-sheet comparisons.
Device profile
NVIDIA GeForce RTX 4090 24GB
32B-class Q4 full-GPU at 70+ tok/s — Qwen 3 32B, Qwen 2.5 Coder 32B, QwQ 32B all fit comfortably
Curated Aggregate·2026-05-2524GB / $1.6k
Best LLM
540 tok/s
VRAM
24 GB
TDP
450 W
Rating
9.1
Device profile
NVIDIA GeForce RTX 3090 24GB
32B Q4 full-GPU at 35-45 tok/s — or dual 3090s for 70B Q4 at 25-35 tok/s with 48GB combined
Curated Aggregate·2025-05-0124GB / $1.5k
Best LLM
88.0 tok/s
VRAM
24 GB
TDP
350 W
Rating
8.6
Quick verdict
NVIDIA GeForce RTX 4090 24GB scores 9.1 while NVIDIA GeForce RTX 3090 24GB scores 8.6 on MyAIHardware's composite rating.
VRAM capacity is tied.
NVIDIA GeForce RTX 3090 24GB is the lower-power path.
On shared workload evidence, Llama 3 8B Q4 is benchmarked at 132 tok/s for NVIDIA GeForce RTX 4090 24GB and 88.0 tok/s for NVIDIA GeForce RTX 3090 24GB.
| Metric | NVIDIA GeForce RTX 4090 24GB | NVIDIA GeForce RTX 3090 24GB |
|---|---|---|
| MyAI rating | 9.1 | 8.6 |
| Best LLM | 540 tok/s | 88.0 tok/s |
| VRAM | 24 GB | 24 GB |
| TDP | 450 W | 350 W |
| MSRP | $1.6k | $1.5k |
| Workloads | 12 | 10 |
Shared benchmark rows
Llama 3 8B Q4
Llama 3 8B Q4
NVIDIA GeForce RTX 4090 24GB
132 tok/s
Q4_K_M / 24GB / 2025-10-02
NVIDIA GeForce RTX 3090 24GB
88.0 tok/s
Q4_K_M / 24GB / 2025-02-25
Mistral 7B Q4
Mistral 7B
NVIDIA GeForce RTX 4090 24GB
145 tok/s
Q4_K_M / 24GB / 2026-03-19
NVIDIA GeForce RTX 3090 24GB
78.0 tok/s
Q4_K_M / 24GB / 2024-04-22
Gemma 2 9B Q4
Gemma 2 9B
NVIDIA GeForce RTX 4090 24GB
108 tok/s
Q4_K_M / 24GB / 2025-03-07
NVIDIA GeForce RTX 3090 24GB
65.0 tok/s
Q4_K_M / 24GB / 2024-08-30
DeepSeek-R1 Distill 7B
DeepSeek-R1 7B
NVIDIA GeForce RTX 4090 24GB
118 tok/s
Q4_K_M / 24GB / 2026-01-02
NVIDIA GeForce RTX 3090 24GB
82.0 tok/s
Q4_K_M / 24GB / 2025-01-29
Qwen 2.5 14B Q4
Qwen 2.5 14B
NVIDIA GeForce RTX 4090 24GB
68.0 tok/s
Q4_K_M / 24GB / 2025-07-04
NVIDIA GeForce RTX 3090 24GB
55.0 tok/s
Q4_K_M / 24GB / 2025-03-08
Llama 3 70B Q4
Llama 3 70B Q4
NVIDIA GeForce RTX 4090 24GB
14.0 tok/s
Q4_K_M / 24GB / 2026-03-08
NVIDIA GeForce RTX 3090 24GB
9.0 tok/s
Q4_K_M / 24GB / 2025-04-25
External quality layer
Best open models likely to fit this class
This shortlist cross-references the external OpenEvals snapshot with an approximate Q4-class VRAM estimate. Use it to sanity-check whether the hardware you are comparing can host strong open models, not just benchmark toy workloads.
91.0
microsoft/Phi-3.5-mini-instruct
3.8B params · est. 2.3 GB Q4
NVIDIA GeForce RTX 4090 24GB: likely fitNVIDIA GeForce RTX 3090 24GB: likely fit
internlm/internlm2_5-7b-chat
7.7B params · est. 4.6 GB Q4
NVIDIA GeForce RTX 4090 24GB: likely fitNVIDIA GeForce RTX 3090 24GB: likely fit
microsoft/Phi-3-mini-4k-instruct
3.8B params · est. 2.3 GB Q4
NVIDIA GeForce RTX 4090 24GB: likely fitNVIDIA GeForce RTX 3090 24GB: likely fit