Iris Plus Graphics 655 vs Radeon RX Vega 11 Processor

Intel

Iris Plus Graphics 655

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

Radeon RX Vega 11 Processor

2018Core: 300 MHzBoost: 1251 MHz
Similar parts
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Iris Plus Graphics 655 vs Radeon RX Vega 11 Processor 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 RX Vega 11 Processor: 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

  • Draws 15W instead of 35W, a 20W reduction.

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 RX Vega 11 Processor

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.
  • 133.3% higher power demand at 35W vs 15W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon RX Vega 11 Processor is the faster gaming card right now based on the synthetic data we have. It leads by 2.3% in PassMark G3D (1,769 vs 1,729), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Iris Plus Graphics 655 is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.
Which GPU is the better buy today?
Radeon RX Vega 11 Processor makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Radeon RX Vega 11 Processor is the easier value choice. If you care more about 1080p headroom, Iris Plus Graphics 655 has the stronger long-term case.

Iris Plus Graphics 655 vs Radeon RX Vega 11 Processor 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 RX Vega 11 Processor

The Radeon RX Vega 11 Processor is manufactured by AMD. It was released in May 10 2018. It features the GCN 5.0 architecture. The core clock ranges from 300 MHz to 1251 MHz. It has 704 shading units. The thermal design power (TDP) is 35W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,769 points.

Graphics Performance

The Iris Plus Graphics 655 scores 1,729 and the Radeon RX Vega 11 Processor reaches 1,769 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 655 is built on Generation 9.5 while the Radeon RX Vega 11 Processor uses GCN 5.0, both on 14 nm+++ vs 14 nm. Shader units: 384 (Iris Plus Graphics 655) vs 704 (Radeon RX Vega 11 Processor). Raw compute: 0.8064 TFLOPS (Iris Plus Graphics 655) vs 1.761 TFLOPS (Radeon RX Vega 11 Processor). Boost clocks: 1050 MHz vs 1251 MHz.

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
G3D Mark Score
1,729
1,769+2%
Architecture
Generation 9.5
GCN 5.0
Process Node
14 nm+++
14 nm
Shading Units
384
704+83%
Compute (TFLOPS)
0.8064 TFLOPS
1.761 TFLOPS+118%
Boost Clock
1050 MHz
1251 MHz+19%
ROPs
6
8+33%
TMUs
48+9%
44

Advanced Features (DLSS/FSR)

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
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 RX Vega 11 Processor.

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
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 (12_1) (Radeon RX Vega 11 Processor). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 3.

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
DirectX
12 (12_1)
12 (12_1)
Vulkan
1.2
1.3+8%
OpenGL
4.6
4.6
Max Displays
3
3
🎬

Media & Encoding

Hardware encoder: QuickSync (Iris Plus Graphics 655) vs VCE 3.4 (Radeon RX Vega 11 Processor). Decoder: QuickSync vs UVD 7.0. Supported codecs: H.264,H.265,VP9 (Iris Plus Graphics 655) vs H.264,H.265,VP9 (Radeon RX Vega 11 Processor).

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
Encoder
QuickSync
VCE 3.4
Decoder
QuickSync
UVD 7.0
Codecs
H.264,H.265,VP9
H.264,H.265,VP9
🔌

Power & Dimensions

The Iris Plus Graphics 655 draws 15W versus the Radeon RX Vega 11 Processor's 35W — a 80% difference. The Iris Plus Graphics 655 is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 655) vs 1W (Radeon RX Vega 11 Processor). Power connectors: Integrated vs Integrated. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 85 vs 75.

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
TDP
15W-57%
35W
Recommended PSU
1W
1W
Power Connector
Integrated
Integrated
Length
0mm
0mm
Height
0mm
0mm
Slots
0
0
Temp (Load)
85
75-12%
Perf/Watt
115.3+128%
50.5
💰

Value Analysis

At launch, the Iris Plus Graphics 655 came in at $0, while the Radeon RX Vega 11 Processor launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Iris Plus Graphics 655) vs Infinity (Radeon RX Vega 11 Processor) — the Radeon RX Vega 11 Processor offers NaN% better value.

FeatureIris Plus Graphics 655Radeon RX Vega 11 Processor
MSRP
$0
$0
Performance per Dollar
Infinity
Infinity
Codename
Coffee Lake GT3e
Raven
Release
April 3 2018
May 10 2018
Ranking
#723
#673

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