# What is the most energy-efficient OLED monitor? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the most energy-efficient OLED monitor?

## Products

### Samsung Smart Monitor M90SF
```yaml
product: samsung-smart-monitor-m90sf
brand: Samsung
price_gbp: 977.71
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: 1x HDMI 2.1, 1x DisplayPort 1.4, 1x USB-C, 2x USB-A
resolution: 3840 x 2160
hdr_support: VESA DisplayHDR True Black 400, HDR10, HDR10+
screen_size: 32in
refresh_rate: 165Hz
response_time: 0.03ms
contrast_ratio: 1,000,000:1
```

- **Price:** £977.71 [^1]
- **Summary:** The Samsung Smart Monitor M90SF is a 32in 4K QD-OLED monitor with a 165Hz refresh rate, extremely fast response time, and strong HDR support. Its built-in smart TV features, Gaming Hub, webcam, speakers, and versatile connectivity suit users who want one display for productivity, gaming, streaming, and video calls.
- **Ideal For:** Its QD-OLED panel can suit someone seeking an energy-conscious OLED monitor because OLED pixels can turn off individually for deep blacks, while the 62W typical operating consumption keeps power use moderate for a 32in 4K display.
- **Additional Sources:** [^2]

### Dell 32 Plus S3225QC
```yaml
product: dell-32-plus-s3225qc
brand: Dell
price_gbp: 884.74
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: 1 x HDMI 2.1; 1 x USB-C upstream with DisplayPort 1.4 Alt Mode and 90 W Power Delivery; 2 x USB-C downstream with 15 W Power Delivery
resolution: 3840 x 2160
hdr_support: VESA DisplayHDR True Black 400; Dolby Vision
screen_size: 31.6 in
refresh_rate: 120 Hz
response_time: 0.03 ms
contrast_ratio: 1500000:1
```

- **Price:** £884.74 [^3]
- **Summary:** This 31.6 in 4K QD-OLED monitor combines a 120 Hz refresh rate, 0.03 ms response time, deep 1500000:1 contrast, and HDR support for detailed, smooth images. It suits content creators, movie viewers, and casual gamers who also want integrated speakers and USB-C connectivity.
- **Ideal For:** It suits someone asking for the most energy-efficient OLED monitor because it has an ENERGY STAR 8.0 certification and 40 W operating power consumption while still providing a 4K QD-OLED display.

### AOC Q27G4ZD
```yaml
product: aoc-q27g4zd
brand: AOC
price_gbp: 376.25
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: HDMI 2.1 x2, DisplayPort 1.4 x1, USB-A downstream x4, headphone out 3.5mm
resolution: 2560x1440
hdr_support: VESA DisplayHDR True Black 400
screen_size: 26.5 in
refresh_rate: 280 Hz
response_time: 0.03 ms
contrast_ratio: 1500000:1
```

- **Price:** £376.25 [^4]
- **Summary:** The AOC Q27G4ZD is a 26.5 in QD-OLED QHD gaming monitor with up to 280 Hz refresh rate and a 0.03 ms (GtG) response time for very smooth, fast motion. It supports VESA DisplayHDR True Black 400 and includes a built-in USB hub for added desk connectivity.
- **Ideal For:** It suits the most energy-efficient OLED monitor question because OLED delivers perfect blacks without backlight dimming, and this model's manufacturer-rated response time (0.03 ms GtG) and HDR400 True Black performance come with a specified 78.0 W typical power consumption.
- **Additional Sources:** [^5], [^6]

### AOC Q27G41ZDF
```yaml
product: aoc-q27g41zdf
brand: AOC
price_gbp: 258.26
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: HDMI 2.0 x 1, DisplayPort 1.4 x 1, Audio Output x 1
resolution: 2560x1440
hdr_support: HDR10
screen_size: 26.5 in
refresh_rate: 240Hz
response_time: 0.03 ms
contrast_ratio: 1.5M:1
```

- **Price:** £258.26 [^7]
- **Summary:** The AOC Q27G41ZDF is a 26.5 in QD-OLED gaming monitor with 2560x1440 resolution and a 240Hz refresh rate for very smooth gameplay. It supports HDR10 and has a fast 0.03 ms response time, with low input lag designed for action games. It includes HDMI 2.0 and DisplayPort 1.4 connectivity for connecting a PC or compatible devices.
- **Ideal For:** For the most energy-efficient OLED monitor, its OLED power profile lists typical power consumption of 63.0 W while still delivering OLED QD-OLED with 240Hz and HDR10, making it an OLED option that's explicitly documented with a relatively low typical draw.
- **Additional Sources:** [^8], [^9]

---
## References & Sources
[^1]: Best Buy, accessed 2026-09-13. https://www.bestbuy.com/product/32-m90sf-4k-uhd-smart-oled-monitor-with-samsung-vision-ai-built-in-4k-camera-and-speakers-usb-c-carbon-silver/JJGRF3CR6C
[^2]: Samsung, accessed 2026-09-13. https://www.samsung.com/us/monitors/smart/32-inch-smart-monitor-m90f-4k-oled-vision-ai-monitor-sku-ls32fm902snxza/
[^3]: Dell Australia, accessed 2026-09-13. https://www.dell.com/en-au/shop/dell-32-plus-4k-qd-oled-monitor-s3225qc/apd/210-bqvy/monitors-monitor-accessories
[^4]: AOC Greece, accessed 2026-09-13. https://www.aoc.com/gr/gaming/monitors/q27g4zd
[^5]: AOC Singapore, accessed 2026-09-13. https://sgstore.aoc.com/products/aoc-q27g4zd-26-5-qd-oled-qhd-240hz-0-03ms-adaptive-sync-height-adjustment-gaming-monitor
[^6]: AOC Spain, accessed 2026-09-13. https://www.aoc.com/es/gaming/monitors/q27g4zd
[^7]: Best Buy, accessed 2026-09-13. https://www.bestbuy.com/product/aoc-27-qd-oled-qhd-240hz-g-sync-compatible-03ms-gaming-monitor-black/JX9GSKP9H6
[^8]: Coolblue, accessed 2026-09-13. https://www.coolblue.nl/en/product/973150/aoc-oled-q27g41zdf.html
[^9]: Newegg, accessed 2026-09-13. https://www.newegg.com/p/3D4-001B-00082