Iris Plus Graphics 655 vs Radeon Vega 8 Ryzen 5 3550H

Intel

Iris Plus Graphics 655

2018Core: 300 MHzBoost: 1050 MHz
Similar parts
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VS
AMD

Radeon Vega 8 Ryzen 5 3550H

2020Boost: 2100 MHz
Similar parts
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Iris Plus Graphics 655 vs Radeon Vega 8 Ryzen 5 3550H Performance Spectrum

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Iris Plus Graphics 655 vs Radeon Vega 8 Ryzen 5 3550H: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Iris Plus Graphics 655

2018

Why buy it

  • Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

  • 2018 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon Vega 8 Ryzen 5 3550H

2020

Why buy it

  • Iris Plus Graphics 655 is already obsolete for modern gaming, so Radeon Vega 8 Ryzen 5 3550H is the less risky modern option long term.
  • More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.

Trade-offs

  • 2020 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?
Iris Plus Graphics 655 is the faster gaming card right now based on the synthetic data we have. It leads by 0.7% in PassMark G3D (1,729 vs 1,717), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon Vega 8 Ryzen 5 3550H is the safer long-term pick for 2026 and beyond. The case is simple: the newer upscaling stack, FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack, a 7nm process instead of 14nm, and a newer 2020 generation instead of 2018. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
Iris Plus Graphics 655 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Iris Plus Graphics 655 is the easier value choice. If you care more about 1080p headroom, Radeon Vega 8 Ryzen 5 3550H has the stronger long-term case.

Iris Plus Graphics 655 vs Radeon Vega 8 Ryzen 5 3550H Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Iris Plus Graphics 655

The Iris Plus Graphics 655 is manufactured by Intel. It was released in April 3 2018. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1050 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+++ process technology. G3D Mark benchmark score: 1,729 points.

AMD

Radeon Vega 8 Ryzen 5 3550H

The Radeon Vega 8 Ryzen 5 3550H is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,717 points.

Graphics Performance

The Iris Plus Graphics 655 scores 1,729 and the Radeon Vega 8 Ryzen 5 3550H reaches 1,717 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 655 is built on Generation 9.5 while the Radeon Vega 8 Ryzen 5 3550H uses Vega, both on 14 nm+++ vs 7 nm. Shader units: 384 (Iris Plus Graphics 655) vs 512 (Radeon Vega 8 Ryzen 5 3550H). Boost clocks: 1050 MHz vs 2100 MHz.

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
G3D Mark Score
1,729
1,717
Architecture
Generation 9.5
Vega
Process Node
14 nm+++
7 nm
Shading Units
384
512+33%
Boost Clock
1050 MHz
2100 MHz+100%

Advanced Features (DLSS/FSR)

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards ship with 0 MB of Shared. Memory bus width is System on the Iris Plus Graphics 655 and System on the Radeon Vega 8 Ryzen 5 3550H.

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
VRAM Capacity
Shared System RAM
Shared System RAM
Memory Type
Shared
Shared
Memory Bandwidth
System
System
Bus Width
System
System
🖥️

Display & API Support

DirectX support: 12 (12_1) (Iris Plus Graphics 655) vs 12 (FL 12_1) (Radeon Vega 8 Ryzen 5 3550H). OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
DirectX
12 (12_1)
12 (FL 12_1)
OpenGL
4.6
4.6
Max Displays
3
4+33%
🎬

Media & Encoding

Hardware encoder: QuickSync (Iris Plus Graphics 655) vs VCN 1.0 (Radeon Vega 8 Ryzen 5 3550H). Decoder: QuickSync vs VCN 1.0. Supported codecs: H.264,H.265,VP9 (Iris Plus Graphics 655) vs H.264,H.265/HEVC (Radeon Vega 8 Ryzen 5 3550H).

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
Encoder
QuickSync
VCN 1.0
Decoder
QuickSync
VCN 1.0
Codecs
H.264,H.265,VP9
H.264,H.265/HEVC
🔌

Power & Dimensions

The Iris Plus Graphics 655 draws 15W versus the Radeon Vega 8 Ryzen 5 3550H's 15W — a 0% difference. The Radeon Vega 8 Ryzen 5 3550H is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 655) vs 1W (Radeon Vega 8 Ryzen 5 3550H). Power connectors: Integrated vs Integrated.

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
TDP
15W
15W
Recommended PSU
1W
1W
Power Connector
Integrated
Integrated
Length
0mm
Height
0mm
Slots
0
0
Temp (Load)
85
Perf/Watt
115.3
114.5
💰

Value Analysis

At launch, the Iris Plus Graphics 655 came in at $0, while the Radeon Vega 8 Ryzen 5 3550H launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Iris Plus Graphics 655) vs Infinity (Radeon Vega 8 Ryzen 5 3550H) — the Radeon Vega 8 Ryzen 5 3550H offers NaN% better value. The newer card here is Radeon Vega 8 Ryzen 5 3550H (2020 vs 2018).

FeatureIris Plus Graphics 655Radeon Vega 8 Ryzen 5 3550H
MSRP
$0
$0
Performance per Dollar
Infinity
Infinity
Codename
Coffee Lake GT3e
Vega
Release
April 3 2018
January 7 2020
Ranking
#723
#545

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