Olympus PEN E-P3 vs Panasonic Lumix DMC-G3
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
Today's price sits well above the recent low. Today's price runs 28% above the 90-day low of $100 (seen Aug 21, 2026). 14% of the $899 MSRP. Prices are down 5.9% over the last 30 days.
Close to the 90-day low. Within $4 of the 90-day low of $123. 18% of the $699 MSRP. Prices are up 3.3% over the last 30 days.
Quick answers
- Which is cheaper used, the Olympus PEN E-P3 or the Panasonic Lumix DMC-G3?
- The Panasonic Lumix DMC-G3 is cheaper used: $127 against $128 for the Olympus PEN E-P3, a gap of $1 (1%) as of 2026-11-02.
- What share of its launch price does a used Olympus PEN E-P3 cost?
- About 14%: $128 used against a $899 launch price as of 2026-11-02.
- Which is smaller, the Olympus PEN E-P3 or the Panasonic Lumix DMC-G3?
- The Olympus PEN E-P3 is smaller: the Panasonic Lumix DMC-G3 is 7 mm narrower, 15 mm taller, 13 mm deeper and 33 g lighter.
Size and weight
The Panasonic Lumix DMC-G3 is 7 mm narrower, 15 mm taller, 13 mm deeper and 33 g lighter than the Olympus PEN E-P3.
| Measurement | PEN E-P3 | Lumix DMC-G3 | Difference |
|---|---|---|---|
| Width | 122 mm | 115 mm −7 mm | Lumix DMC-G3 is 7 mm narrower |
| Height | 69 mm | 84 mm +15 mm | Lumix DMC-G3 is 15 mm taller |
| Depth | 34 mm | 47 mm +13 mm | Lumix DMC-G3 is 13 mm deeper |
| Weight | 369 g | 336 g −33 g | Lumix DMC-G3 is 33 g lighter (9%) |
Drawn to scale from manufacturer dimensions. Body only: lenses not included. Outlines are simplified shapes, not product drawings.
Specs side by side
| Olympus PEN E-P3 | Panasonic Lumix DMC-G3 | |
|---|---|---|
| Brand | Olympus | Panasonic |
| Family | Olympus PEN | Panasonic Lumix G |
| Category | body | body |
| Body type | Mirrorless | Mirrorless |
| Mount | MFT | MFT |
| Sensor | MFT | MFT |
| Sensor family | Olympus 12MP Four Thirds Live MOS · 12.3MP Four Thirds Live MOS | Panasonic 16MP Four Thirds Live MOS · 16MP Four Thirds Live MOS |
| Megapixels | 12.3 MP | 15.8 MP |
| Autofocus | Contrast Detection | Contrast Detection |
| IBIS | 3-axis 5-stop | no |
| Weather sealed | No | No |
| Max video | 1080p60 | 1080p60 |
| Max native ISO | ISO 12,800 | ISO 6,400 |
| Body weight | 369 g | 336 g |
| Dimensions | 122 × 69 × 34 mm | 115 × 84 × 47 mm |
| Body material | metal/plastic mix | polycarbonate |
| Released | 2011-06-30 | 2011-05-12 |
| Discontinued | — | — |
| Status | discontinued | discontinued |
| MSRP | $899 | $699 |
| Current low | $128 | $127 |
| vs MSRP | -86% | -82% |
Both cameras appear in
Curated best-under lists where both of these qualify today.
The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.