47 people are comparing Amazon Fire TV Cube 4 · LG C4 65-inch OLED right now

ISSUE № 219 · MAY 13, 2026

NEW · 75 films added with full TMDB metadata PLAY · 51 browser games — chess, 2048, snake, more BEST · Hand-picked AI tools updated weekly COMPARE · Phones, laptops, headphones — side by side SWAP · 600+ apps with free open-source alternatives NEW · 75 films added with full TMDB metadata PLAY · 51 browser games — chess, 2048, snake, more BEST · Hand-picked AI tools updated weekly COMPARE · Phones, laptops, headphones — side by side SWAP · 600+ apps with free open-source alternatives

PixlRun

Subscribe →

Updated April 2026 PIXLRUN · COMPARE LAB v3

Compare
anything.

A laboratory-grade side-by-side that scores phones, laptops and headphones on the things buyers actually feel — not the spec-sheet poetry manufacturers print on the box.

1,284

Devices benchmarked

Lab metrics per unit

94%

Reader trust score

Affiliate sponsorships

Side-by-side index Live catalogue Catalogue live

The duel.
Two phones, one verdict.

Lab-tested over 14 days each. Identical conditions, identical workloads, scored on a calibrated 100-point rubric.

Amazon · 2026 Worth a look

Amazon Fire TV Cube 4

The smartest streaming cube just got smarter

9.1^/10

From

$149

LG · 2026 PixlRun pick

LG C4 65-inch OLED

Perfect blacks, perfect picture — OLED redefined.

9.4^/10

From

$1,799

Where each one wins.

Six pillars tailored to TV reviews — scored independently in our Victoria, BC lab. Bars animate to live values when in view.

Picture

LG +0.6

Amazon9.0

LG9.6

HDR

Amazon +0.2

Amazon9.2

LG9.0

Gaming

LG +0.6

Amazon9.0

LG9.6

Sound

LG +0.4

Amazon8.0

LG8.4

Smart TV

Amazon +0.2

Amazon9.2

LG9.0

Value

Amazon +0.2

Amazon9.6

LG9.4

Six dimensions, overlaid.

Radar of normalized scores across our full rubric.

Amazon Fire TV Cube 4 LG C4 65-inch OLED

Score gap

+3.3%

LG C4 65-inch OLED vs Amazon Fire TV Cube 4 — composite lab score difference.

Peak brightness

— vs ~1,400 nits (HDR peak)

Amazon Fire TV Cube 4 / LG C4 65-inch OLED

Refresh rate

— vs 144Hz (native)

Amazon Fire TV Cube 4 / LG C4 65-inch OLED

Panel

— vs WOLED (Evo Panel)

Amazon Fire TV Cube 4 / LG C4 65-inch OLED

The full spec sheet.

Grouped by what matters to use, not by alphabet. Winners highlighted with an acid dot.

Display

Max Resolution8K UHD (7680×4320) @ 60fps

Max Resolution—

HDR SupportHDR10, HDR10+, Dolby Vision, HLG

HDR SupportDolby Vision, HDR10, HLG, HDR10+

Screen Size—

Screen Size65 inches

Panel Type—

Panel TypeWOLED (Evo Panel)

Resolution—

Resolution3840 x 2160 (4K UHD)

Refresh Rate—

Refresh Rate144Hz (native)

Response Time—

Response Time0.1ms (GtG)

Peak Brightness—

Peak Brightness~1,400 nits (HDR peak)

Performance

ProcessorOcta-Core 2.4GHz (Amazon AX2 chip)

Processorα9 Gen8 AI Processor

RAM4GB LPDDR5

RAM4GB

Storage32GB eMMC internal storage

Storage64GB internal

Body & Build

Dimensions (w/o stand)—

Dimensions (w/o stand)1447 x 830 x 39 mm

Weight (w/o stand)—

Weight (w/o stand)21.5 kg

Connectivity

Wi-FiWi-Fi 7 (802.11be), Tri-Band

Wi-FiWi-Fi 6E (802.11ax)

BluetoothBluetooth 5.3 + LE Audio

BluetoothBluetooth 5.3

HDMIHDMI 2.1 with eARC (48Gbps)

HDMI—

USB PortUSB-C 3.1 Gen 2 (10Gbps)

USB Port—

HDMI Ports—

HDMI Ports4x HDMI 2.1 (48Gbps)

USB Ports—

USB Ports3x USB-A 3.0

General

Voice AssistantAlexa built-in, 12-mic far-field array

Voice Assistant—

Smart HomeZigbee, Thread, Matter, Sidewalk hub

Smart Home—

Operating SystemFire OS 9 (Android 13-based)

Operating SystemwebOS 26

Dimensions93 × 93 × 77 mm | 465g

Dimensions—

Energy Consumption—

Energy Consumption135W (typical)

Year—

Year2026

Pros & cons,
at a glance.

A bento grid of what each one nails — and where it falls short.

Amazon Fire TV Cube 4

What you'll love

The smartest streaming cube just got smarter

Blazing-fast hands-free Alexa control, 8K HDR10+ passthrough support, built-in eARC for premium audio setups, completely cable-free HDMI control

Watch out for

Requires Amazon ecosystem for best experience, no local storage for downloads, premium price over stick alternatives

LG C4 65-inch OLED

What you'll love

Perfect blacks, perfect picture — OLED redefined.

Stunning self-lit OLED picture quality, Dolby Vision & Atmos support, Excellent gaming features with 4x HDMI 2.1, webOS 26 smart platform is fluid and intuitive

Watch out for

Risk of burn-in with static content, Mediocre built-in speakers for the price, Brightness trails some mini-LED rivals

The verdict.

After 14 days each, in real-world use — here's how we'd actually spend the money.

PixlRun verdict · May 2026

If you want the higher overall score, get the LG C4 65-inch OLED.

LG C4 65-inch OLED takes the overall win at 9.4/10. Amazon Fire TV Cube 4: The smartest streaming cube just got smarter. LG C4 65-inch OLED: Perfect blacks, perfect picture — OLED redefined..

See LG C4 65-inch OLED review See Amazon Fire TV Cube 4

PixlRun Lab Score

Composite · 14-day test cycle

Amazon Fire TV Cube 49.1

LG C4 65-inch OLED9.4

Margin+0.3

ConfidenceModerate