Device comparison
Two devices. One clear decision.
Choose the exact models, then compare every available specification in one aligned view.
Missing information stays missing. Only stored specifications are shown.
Complete comparison
Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Announced | 2026, May 19 | 2025, January 2 (ahead of CES 2025) |
| Released | 2026-09-01 | 2025-01-21 |
| Status | Available | Available |
ADDITIONAL INFORMATION6 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Compatibility | — | Full 4K 240Hz over DisplayPort 2.1a UHBR20 needs a DP 2.1-capable GPU; 2x HDMI 2.1 (FRL) for consoles |
| Environmental | — | FSC MIX certified packaging |
| In the Box | — | DisplayPort 2.1 (DP80) cable, DisplayPort cable, HDMI Ultra High Speed cable, USB 3.2 cable, USB-C cable, power cord, VESA mount kit, ROG pouch, microfiber cloth, ROG sticker, quick start guide, warranty card |
| Launch Price (USD) | $999.99 (US launch price) | $1,099 (US MSRP per ASUS availability press release) |
| Models | 25G590B (25G590B-B) | PG27UCDM |
| Price in Nigeria | ₦1,400,000 (estimate, converted from US launch price) | ₦1,538,600 (estimate, converted from US launch price) |
TESTS3 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Brightness Measured | — | 445 nits SDR, 25% window (Tom's Hardware) |
| Input Lag | — | 18 ms total input lag (Tom's Hardware) |
| Response Time Measured | — | 4 ms screen draw time at 240Hz (Tom's Hardware) |
DESIGN AND BUILD8 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Dimensions (with stand) | 571.8 x 511.2 x 207.3 mm | 61.03 x 54.95 x 21.88 cm (24.03" x 21.63" x 8.61") |
| Dimensions (without stand) | — | 61.03 x 36.92 x 7.05 cm (24.03" x 14.54" x 2.78") |
| Panel Type | IPS | QD-OLED (4th-generation, listed by ASUS as Tandem QD-OLED) |
| Screen Size | 24.5 inches | 26.5 inches (marketed as 27-inch) |
| Stand Adjustments | Height, tilt, swivel | Tilt +20° ~ -5°, Swivel +30° ~ -30°, Pivot +90° ~ -90°, Height 0~110mm |
| VESA Mount | 100 x 100 mm | 100x100mm |
| Weight (with stand) | 5.2 kg | 7.62 kg (16.80 lbs) |
| Weight (without stand) | — | 4.97 kg (10.96 lbs) |
DISPLAY AND RESOLUTION13 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Aspect Ratio | 16:9 | 16:9 |
| Brightness | 400 nits typical (320 nits min) | 1,000 cd/m² (HDR, peak) |
| Color Depth | 8-bit (16.7 million colors) | 10-bit (1073.7M colors) |
| Color Gamut | 99% DCI-P3 | 99% DCI-P3, 145% sRGB |
| Contrast Ratio | 1000:1 (typical) | 1,500,000:1 (typical) |
| Factory Calibration | — | ΔE < 2, with Color Calibration E-report |
| HDR Support | VESA DisplayHDR 400 | VESA DisplayHDR 400 True Black, HDR10, Dolby Vision |
| Pixel Density | 0.282 x 0.281 mm pixel pitch | 166 ppi (pixel pitch 0.153 mm) |
| Refresh Rate | 1000Hz (native), 1100Hz (overclocked, DisplayPort 2.1) | 240 Hz |
| Resolution | 1920 x 1080 pixels | 3840 x 2160 (4K UHD) |
| Response Time | 1ms (GtG) | 0.03 ms (GTG) |
| Screen Coating | Low-reflection film, ATW polarizer | Anti-reflection |
| Viewing Angles | 178° / 178° | 178° / 178° (CR≧10) |
GAMING FEATURES3 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Adaptive Sync | AMD FreeSync Premium, NVIDIA G-Sync Compatible | AMD FreeSync Premium Pro, NVIDIA G-SYNC Compatible, VESA AdaptiveSync Display 240Hz |
| Gaming Aids | — | GamePlus, GameVisual, Shadow Boost, Extreme Low Motion Blur (ELMB) |
| Low Input Lag Mode | — | GameFast Input technology |
CONNECTIVITY6 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Audio Out | Yes, 4-pole headphone out (sound + mic) | Earphone jack |
| DisplayPort | 1x DisplayPort 2.1 (UHBR20) | 1x DisplayPort 2.1a (UHBR20, up to 80Gbps) |
| Ethernet / KVM | — | Built-in KVM switch |
| HDMI | 2x HDMI 2.1 | 2x HDMI 2.1 (FRL) |
| USB Hub | USB Type-C | 3x USB 3.2 Gen 1 Type-A |
| USB-C | — | 1x USB-C with DP Alt Mode and 90W Power Delivery |
POWER2 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Power Consumption | 28 W typical | <80W (power saving mode <0.5W, power off <0.3W) |
| Voltage | 100–240 V AC, 50/60 Hz | 100-240V, 50/60Hz |
EXTRAS AND FEATURES3 fields
| Specification | UltraGear 25G590B | ROG Swift OLED PG27UCDM |
|---|---|---|
| Eye Care | Flicker Safe, Reader Mode | Flicker-free; TÜV Flicker-free and TÜV Low Blue Light (Hardware Solution) certified; OLED Anti-Flicker 2.0 |
| Other Features | Motion Blur Reduction Pro, AI Scene Optimization, AI Sound; UltraGear emblem RGB lighting | ASUS OLED Care Pro with Neo Proximity Sensor, Aura Sync lighting, DisplayWidget Center, tripod socket (1/4"), Kensington lock |
| Warranty | — | 3 years (including panel burn-in) |