Side-by-Side Comparison
ezcap 333P vs AVerMedia Live Gamer Ultra S
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
▲ DOCUMENTED QUIRKS
Composite Score:
4.0
/ 5.0
Cost-effective UVC capture card delivering sub-50 ms latency and flexible 3.5 mm audio mixing, balanced against lightweight polymer build quality and compressed 4K60 pass-through.
★ Recommended Winner
▲ DOCUMENTED QUIRKS
Composite Score:
4.1
/ 5.0
A well-engineered external capture solution delivering 4K60 HDR and high-refresh VRR support within a compact, completely silent solid-state footprint.
⚖️
Mizex Comparative Audit Verdict
The AVerMedia Live Gamer Ultra S achieves the higher Mizex Composite Score (4.1 vs 4.0), leading across 4 of 5 engineering pillars. With an advantage in Engineering & Architecture, Build Quality & Materials, Thermal, Power & Acoustics, Real-World Reliability, it represents the stronger technical recommendation.
5-Pillar Engineering Telemetry
Detailed comparison across standardized normalized 1.0 – 5.0 engineering pillars.
ezcap 333P
AVerMedia Live Gamer Ultra S
Engineering & Architecture
(30%)
Winner: AVerMedia Live Gamer Ultra S (+0.2)
3.9
4.1
Build Quality & Materials
(20%)
Winner: AVerMedia Live Gamer Ultra S (+0.5)
3.6
4.1
Thermal, Power & Acoustics
(20%)
Winner: AVerMedia Live Gamer Ultra S (+0.1)
3.9
4.0
Real-World Reliability
(20%)
Winner: AVerMedia Live Gamer Ultra S (+0.2)
4.0
4.2
Buyer Value & Upgrades
(10%)
Winner: ezcap 333P (+0.5)
4.6
4.1
ezcap 333P: Strengths & Caveats
✔ Advantages
- Supports uncompressed RGB24 capture at 1080p60 and high-framerate capture up to 1080p120
- Driverless UVC and UAC plug-and-play compliance across Windows, macOS, and Linux
- Comprehensive 3.5 mm audio connectivity featuring independent mic, line-in, and headset jacks
- Low hardware latency under 50 ms for real-time monitoring
✖ Documented Caveats
- 4K60 input and loop-out pass-through is constrained to YUV420 chroma subsampling
- Lacks high dynamic range (HDR) and variable refresh rate (VRR) pass-through support
- Lightweight all-plastic housing lacks internal connector reinforcement brackets
AVerMedia Live Gamer Ultra S: Strengths & Caveats
✔ Advantages
- Supports 4K60 HDR, 1440p, ultrawide, and up to 1080p240 VRR capture
- Native 5.1 surround sound audio ingestion capability
- Compact and silent solid-state external form factor
- Streamlined configuration through AVerMedia Streaming Center
✖ Documented Caveats
- Limited to HDMI 2.0 bandwidth rather than HDMI 2.1
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | ezcap 333P | AVerMedia Live Gamer Ultra S |
|---|---|---|
| Model DIFF | ezcap 333P | AVerMedia Live Gamer Ultra S |
| Host Interface DIFF | USB 3.1 Gen 1 Type-C (5 Gbps) | — |
| Video Input DIFF | HDMI 1.4b (up to 3840 x 2160 at 60 Hz YUV420) | — |
| Video Pass Through DIFF | HDMI Loop-Out (up to 4K60 YUV420, 4K30, 1440p60, 1080p120) | — |
| Maximum Capture Resolution DIFF | 3840 x 2160 at 30 fps (NV12), 2560 x 1440 at 60 fps (NV12), 1920 x 1080 at 120 fps (NV12) | — |
| Supported Video Formats DIFF | NV12, YUY2, RGB24 (up to 1080p60) | — |
| Audio Inputs DIFF | HDMI embedded, 3.5 mm TRS Line In, 3.5 mm TRS Mic In, 3.5 mm TRRS Headset In | — |
| Audio Outputs DIFF | HDMI embedded pass-through, 3.5 mm TRRS Line/Headset Out | — |
| Driver Standard DIFF | UVC (USB Video Class) & UAC (USB Audio Class), Driverless | — |
| Hardware Latency DIFF | < 50 ms | — |
| Operating System Compatibility DIFF | Windows 10/11 (64-bit), macOS 10.15+, Linux, ChromeOS, Android | — |
| Dimensions DIFF | 4.33 x 2.48 x 0.87 in (110 x 63 x 22 mm) | — |
| Weight DIFF | 2.22 oz (63 g) | — |
| Thermal Solution DIFF | Passive convective venting | — |
| Power Source DIFF | USB Bus Powered (5V DC via Type-C) | — |
| Status Indicators DIFF | Tri-color LED (Red: Power, Blue: HDMI Signal, Green: Active Run) | — |
| Brand DIFF | — | AVerMedia |
| Model Number DIFF | — | GC553Pro |
| Form Factor DIFF | — | External |
| Interface DIFF | — | HDMI 2.0 |
| Max Capture Resolution DIFF | — | 4K at 60Hz HDR |
| Supported Resolutions DIFF | — | 4K60, 1440p, 1080p240, Ultrawide |
| Variable Refresh Rate (VRR) DIFF | — | Supported (up to 1080p240 VRR) |
| Audio Ingest DIFF | — | 5.1 Surround Sound |
| Companion Software DIFF | — | AVerMedia Streaming Center |
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